Stainless steel railing installations must comply with applicable standards related to post height and cable spacing. Beyond that amount, it becomes very difficult to meet the safety requirements. 1. Click to Show or Hide Citations & References, OSHA estimates that there are 24,882 injuries and as many as 36 fatalities per year due to falls from stairways and ladders used in construction. Post Thickness and Composition The end and corner posts in cable deck railing systems must be strong enough to support the tension of the cable assemblies (typically 350 lbs. spacing between the cap rail and the railing section below, fasten 2×4 blocks with 2 … … New York: If you have multiple panels of un-equal length, you'll need to adjust the 2 end spacings on each panel to maintain correct spacing. [copy on file as http://www.stairways.org/pdf/2006%20Stair%20IRC%20SCREEN.pdf ] -, [19] Common Sense Stairbuilding and Handrailing, Fred T. Hodgson, [21] Building Stairs, by pros for pros, Andy Engel, [22] A Simplified Guide to Custom Stairbuilding, George R. Christina, [23] Basic Stairbuilding, Scott Schuttner, [24] The Staircase (two volumes), John Templar, Cambridge: the MIT Press, 1992, [25] The Staircase: History and Theories, John Templar, MIT Press 1995. Balusters can be either vertical or horizontal – or diagonal if you’re feeling ambitious – but the gap between balusters cannot exceed 4 inches. When determining the height of railing posts, individuals should factor in the type of location, as well as local, city and/or international building codes. New York: California is the one exception where they require 42" guards. After removing the blocks spacing the rail off the deck surface, drive the lower screws. Screw the center blocks. New York: American One of them is a spacing calculator that shows you how much space you should leave between balusters. 101-A& 101-B (may appear as ANSI B101.0) sets rules for measuring walkway slip resist, OSHA - (Dept of Labor CFR 1910.22 does not specify COF and pertains to workplaces) but recognizes the need for a "qualified person" to evaluate walkway slipperiness, ADA (relies on the ANSI and ASTM standards)Â, [29] A. Sacher, International Symposium on Slip Resistance: The Interface of Man, Footwear, and Walking Surfaces, Journal of Testing and Evaluation (JTE), ISSN: 1945-7553, January 1997  [more focused on slipperiness of polished surfaces, [30] Algae is widely recognized as a slippery surface - a Google web search for "how slippery is algae on steps" produced more than 15,000 results on 8/29/12), [31] Slipperiness of algae on walking surfaces, warning, Royal Horticultural Society, retrieved 8/29/2012, original source: http://apps.rhs.org.uk/advicesearch/profile.aspx?pid=418, [32] Slipperiness of algae: "Watch your step, wet rocks and algae are slippery" Oregon State University warning  1977  retrieved 8/29/2012, original source: http://www.worldcat.org/title/watch-your-step-wet-rocks-and-algae-are-slippery/oclc/663683915Â. The lengths of each side of a deck often vary. When planning out railing posts, it's important to keep both factors in mind. Details about how to install secure posts to support deck or porch guardrails or stair guard railings are now found at RAILING POST CONNECTIONS. [26] Steps and Stairways, Cleo Baldon & Ib Melchior, Rizzoli, 1989. [49] “Requirements for Fixed Industrial Stairs,” USAS A64.1-1968. [33] Coefficient of friction of algae on surfaces [like stair treads]: Delphine Gourdon, Qi Lin, Emin Oroudjev, Helen Hansma, Yuval Golan, Shoshana Arad, and Jacob Israelachvili, "Adhesion and Stable Low Friction Provided by a Subnanometer-Thick Monolayer of a Natural Polysaccharide", Langmuir, 2008 pp 1534-1540, American Chemical Society, So your guardrail needs to be able to withstand the required loads, such as a 200 lb. Installing deck railing is easy if you use an anchored handrail system. and a Senior Mechanical Engineer, Triodyne Inc., Niles, IL (respectively. She would like it to be as high as possible, with. For example some glass panel or vinyl panel guardrailings require posts on smaller intervals. Contact information: Triodyne Inc. To calculate your cable requirement you must measure from the top of your deck or bottom rail to the bottom of your top rail, then divide that number by the cable spacing (3″) and subtract 1. Standard rail … STAIRS. Post Heights and Cable Spacing. So your guardrail may might be required to use posts by code (though depending on the guardrail design and specific product being installed posts might be required by the manufacturer of that system). Most backyard decks using wooden posts... Local Code. National Standard Institute, approved March 17, 1967. e-mail: infoserv@triodyne.com The sweep space between the deck surface and the bottom rail must be less than 4". Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. I am looking to install privacy screens on my concrete patio. Size of the Deck. This article provides details about standards, requirements & testing procedures for handrailings & guardrailings in or on the exterior of buildings. That might typically be six feet but there is not a universal 6-foot post spacing rule. There are some minor differences. Follow local building codes - … The type of post you use can also affect the spacing between posts. H1 Hurricane Tie: Holds joist on both sides. Deck Railing Post Spacing Calculator. A railing is one of the most visible parts of a deck, but it's also a key safety feature. [46] “American Standard Safety Code for Floor and Wall Openings, Railings, c. The location of main exit door to the dwelling. Cut the Posts. per cable assembly). Post Anchors are made to support a maximum raililng height of 42 inches. [3] "The Elimination of Unsafe Guardrails, a Progress Report," Elliott O. Stephenson. The result was a serious injury. -osha.gov/doc/outreachtraining/htmlfiles/stairlad.html, Requirements & codes for guardrail posts on decks & stairs, GUARDRAILS, BALCONY, DECK, LANDING FAQs-2, GUARDRAIL, BALCONY, DECK, LANDING CODE FAQs-3, GUARDRAIL & HANDRAIL STRENGTH & TESTING REQUIREMENTS, ARTICLE INDEX to STAIRS RAILINGS LANDINGS RAMPS, How to Clean Moldy Wood Framing & Sheathing, Stairways and Ladders, A Guide to OSHA Rules, HOME INSPECTION EDUCATION COURESES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES. You can anchor your balusters to the deck, or if you choose, a rail that can be no more than 4” from the deck surface. Giving you on-center measurements, our baluster spacing tool will help your railing meet building codes and remain symmetrical throughout. We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Start by determining the number of posts you need and the post spacing. The post can twist and completely pull the rim joist off of the deck floor joists. It’s very easy to … My plan was to pour concrete footings, then run doubled up 2x8 beams setting on the footings, My wife is a stroke victim, and she wants this deck to be as easy as possible for her to walk out on. For a more extensive summary of other code standards please see this article. I will attach 2 x 6 or 2 x 8 deck joists to these posts. Openings, Railings, and Toeboards,” ANSI A12.1-1973. ), [39] "How Slippery Is It", retrieved 8/29/12, original source http://www.icebike.org/Articles/howslippery.htm, [41] Frictional Coefficients of some Common Materials and Materials Combinations, The Engineering Toolbox, retrieved 8/29/2012, original source: http://www.engineeringtoolbox.com/friction-coefficients-d_778.html [copy on file as Friction and Coefficients of Friction.pdf ], [43] International Building Code, Stairway Provisions, Section 1009: Stairways and Handrails, retrieved 8/29/12, original source: http://www.amezz.com/ibc-stairs-code.htm [copy on file as IBC Stairs Code.pdf], [44] Model Building Code, Chapter 10, Means of Egress, retrieved 8/29/12, original source: http://www2.iccsafe.org/states/newjersey/NJ_Building/PDFs/NJ_Bldg_Chapter10.pdf, [copy on file as NJ_Bldg_Chapter10.pdf] adopted, for example by New Jersey. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. Our wire railing systems will work with wood or metal posts. [45] Ralph L. Barnett* and William G. Switalski, "Case Study Special clamp and bolt products (tension ties) are sold to provider a safe and secure post-through-rim-joist-to-floor joist connection as well connections between the rim joist and the floro joists. spacing per detail1/s08 2" min 3/4" min 5 1/2" min for 2x8 6 1/2" min for 2x10 7 1/2" min for 2x12 flashing between deck and exterior wall per detail 1/s04 g lateral load connection per detail 1/s04 or 2/s06 b deck joist per detail 1/s07, typ c deck beam per detail 1/s09 d deck post per detail 2/s09 f deck ledger fastening per details 1/s08 and 2/s08, A 36" rail measured from the top of rail to the deck surface is required. Experts believe that it is likely that many of these decks are potentially unsafe. Do the codes allow this? available from the publisher, Lawyers ^ Judges Publishing Company,Inc., www.lawyersandjudges.com sales@lawyersandjudges.com, [13] Slips, Trips, Missteps and Their Consequences, Gary M. Bakken, H. Harvey Cohen, Jon R. Abele, Alvin S. Hyde, Cindy A. LaRue, Lawyers and Judges Publishing; ISBN-10: 1933264012 ISBN-13: 978-1933264011, [14] The Stairway Manufacturers' Association, (877) 500-5759, provides a pictorial guide to the stair and railing portion of the International Residential Code. Privacy Screens -How High Can I Go With Titan Wood Post Anchor? The post spacing is not specified but rather the post spacing plus cable railing tension should be close enough and tight enough to prevent deflection that exceeds the typical baluster 4-inch spacing guideline; nevertheless, because the horizontal cables are climbable the design is still hazardous for children. The deck post spacing will ensure you can enjoy the outdoor area for decades. The requirement is 9 runs of cable. Nearly half of these injuries are serious enough to require time off the job--11,570 lost workday injuries and 13,312 non-lost workday injuries occur annually due to falls from stairways and ladders used in construction. Maximum cantilever of a 2X8 is 24” at 16” o.c. Web search 09/02/2011,original source: www.dir.ca.gov/title8/3209.html. www.triodyne.com, web search 02/04/2013, original source: http://www.triodyne.com/SAFETY~1/Sb_v18n1.pdf, copy on file as BarnettSwitalski_Railing_Study.pdf. Deck balusters must be no more than 4” apart. Consulting Engineers & Scientists – Safety Philosophy & Technology To achieve this, you should space rail posts no greater than 6" apart. 126. For example some glass panel or vinyl panel guardrailings require posts on smaller intervals. Deck Railing. Post spacing over 4 feet is done at your own risk. Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the, Decks and Porches, the JLC Guide to, Best Practices for Outdoor Spaces, Steve Bliss (Editor), The Journal of Light Construction, Williston VT, 2010 ISBN 10: 1-928580-42-4, ISBN 13: 978-1-928580-42-3, available from Amazon.com. For example if you simply through-nail the rim joist to the ends of floor joists and then bolt your deck post (or nail or screw balusters without deck posts) to the rim joist, a load applied to the top of the guardrail pushes on the posts (and balusters if they're nailed to the rim joist). Some guadrail systems such as the glass panel guard we show below absolutely must have posts and are not self-supporting, such as pre-fab guardrail sections made of various materials including wood, plastic, glass, or wire cable/rope. Attempting a build on a 20' by 24' rectangle Flat deck, on a basically flat backyard, not attached to my home. These data demonstrate that work on and around ladders and stairways is hazardous. 4. As a result, the post spacings for a railing will vary as will the length of the railing section that fits between each post. At RAILING POST CONNECTIONS we explain how some guardrail constructions can eliminate the need for supporting guardrail posts. A 2×4 is exactly 3.5 inches wide. Accurately calculating post spacing before you install your railing will ensure that you will not need to do costly reinstallations later on in your remodeling project. Reminder: IRC Table R301.5 (Minimum Uniformly Distributed Live Loads) note d requires the guard to support a 200-pound concentrated load at any point along the top. Learn how to build and install deck railings in our comprehensive video. 4. Attaching Deck Railing Posts The problem is that the railing post acts like a lever, exerting a very large force on the connection at the bottom. No Posts. Guardrails are required once the deck is 30" or more above the grade. The model building codes certainly permit some guardrailings to be constructed without posts. California is the one exception where they require 42" guards. For Building a Deck Railing, Deck Frame, or Fence. Watch out: even using posts spaced at proper 6 ft. (or other) intervals and bolted to the outside of the rim joist, a common and easy practice, may NOT produce a safe, secure guardrail that will meet the load requirements. Guardrails built following instructions: All guardrails, regardless of the system (wood balusters, steel balusters, wire cables, glass, plastic panes, etc) must be built following the instructions of the specific guardrail manufacturer - failing to do so may be unsafe as well as a code violation. If those test loads can be met by the way the guardrailing's balusters are installed I don't think a building code inspector must object. New York: American Standards InspectAPedia tolerates no conflicts of interest. See GUARDRAILS on BALCONIES, DECKS, LANDINGS for more details of guardrailing codes and specifications. Place a 2×4 lengthwise against the wall or first rail post. American National Standards Institute, approved March 15, 1973. To maintain the 4-in. There are two ways to layout deck posts: Start from one corner and position a post every so many feet to the opposite corner of the deck, or the end of the rail, if stairs or openings are present. Example: 30 inches between deck and top rail: 30 / 3 =10 and 10-1= 9. Total height of low level ground level deck. FAX: (847) 647-2047 You post a photo of a deck where the rail is supported by the balusters only. There are some minor differences. In general, deck posts should be spaced no more than 6 feet apart. More importantly, they show that compliance with OSHA's requirements for the safe use of ladders and stairways could have prevented many of these injuries. [47] “USA Standard Safety Requirements for Floor and Wall Openings, Watch out: Certainly we often see decks with multiple loose or damaged guardrail balusters (which are thus unsafe). Washington, D.C., Occupational Measure the distance between posts at two corners and divide by the distance allowed between posts. A span is the unsupported distance between two posts. [50] “Fall Protection,” 29 CFR 1926.451(g)(4)(vii). The posts may be spaced on 8-foot centers if the top rails consist of double 1-inch by 4-inch nominal boards, provided that 1 board is fastened in a flat position on top of the posts and the other is fastened in an edge-up position to the inside of the posts and the side of the top board. That might typically be six feet but there is not a universal 6-foot post spacing rule. Conventional post + wood-rail & baluster guardrail construction. S. Hyde, Jon R. Abele, ISBN-13: 978-1-933264-01-1 or Deck Framing (See Figure 3) a. 2. even where disabled individuals are not the design target. REMEMBER THESE THINGS. Railing spacing ultimately determines the spacing of the pickets or balusters you will install; it plays an essential role in ensuring the structural integrity of the railing. Now that you know how high you have to build your railings, follow up by reading these other more detailed discussions on strength, safety factors,  including how to properly secure posts into wood framed decks. Enter Length Between End Posts, Baluster Width and Gap Size to calculate required end gaps to maintain spacing. Deck Railing Post Spacing: Guidelines and Code Requirements Local building code inspector may require posts: Even when guardrail system manufacturers do not specify details about how posts shall be installed or secured to the structure, typically the instructions will say that the guardrail and posts (if included). Standard Guardrails, California Building Code, provides description of how guard rails should be constructed. We have no relationship with advertisers, products, or services discussed at this website. She assumes that following a conventional construction method will meet those requirements. Treads must be at least 10 inches deep, measuring from front to back. We have also created separate illustrations for residential guards for the USA and Canada - depending on where you live. Handrails are required for stairs and must meet standards as specified by R311.5.6.3 in the IRC code. Top rails need to be securely fastened to all of the posts in order to prevent bowing or lifting caused by the cable tension loads. All Rights Reserved. Guardrails are required once the deck is 30" or more above the grade. 2. Safety and Health Administration; Chapter XVII, 7/1/99 edition. [51] “Special Loads,” Section 1615.0, The BOCA National Building Code/ They include the actual height of the rail above the deck, the height above grade when a guardrail is required and important baluster spacing dimensions. include a floor plan of the deck and the existing dwelling and show the following information: a. This Q&A were posted originally at DECK & PORCH GUARDRAILINGS. I'm burying 4x4 posts in Concrete as I did with my large fence. International, Inc. 1993, pp. 185 – 186. The size of the deck directly affects the spacing of the support posts. Continue reading at GUARDRAIL & HANDRAIL STRENGTH or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. [48] “American National Standard Safety Requirements for Floor and Wall The maximum spacing of 4x4 deck posts should be 6 feet on center, while the maximum spacing of 6x6 deck posts should be 8 feet on center. A 36" rail measured from the top of rail to the deck surface is required. The minimum height of the railing varies based on the height of the deck. USP Steel Deck Tie DTB-TZ, Tel: 1-800-328-5934 Website: http://www.uspconnectors.com Email: uspcustomerservice@mii.com, Best Practices Guide to Residential Construction, by Steven Bliss. Type of Post. Then why all the time spent on post, especially 6 foot spacing versus 0 feet for balister supported rails. ISBN-10: 0471648361, ISBN-13: 978-0471648369, Hardcover: 320 pages, available from Amazon.com and also, [1] ASTM web search 02/04/2013, original source: http://www.astm.org/, [2] §3209. Using a 2×4 gives you perfect alignment. and Toe Boards,” AS A12 -1932. Also, attach minimum 1x4-inch wood blocking underneath the top rail between posts. Because building codes cannot anticipate every conceivable guardrail design and because the code writers don't want to infuriate guardrail manufacturers by inadvertently making their product illegal, building codes often specify the *performance* that must be met by the structure rather than attempting to specify exactly how the structure must be built. retrofitting an existing deck It is estimated that of the 40 million existing decks, only half are code-compliant. Building code suggests that rail post span should not exceed 72" (1829 mm) - measured from the center of each post. 7/26/90 is very often cited by other sources for good design of stairs and ramps etc. Higher strength requirements are specified for some guardrailing systems, such as plastic guards. Apologies for the delay. Rail posts (also referred to as Guard Posts) are generally spaced evenly between straight sections of deck. Maximum joist span of a 2X8 is 10’ – 6” at 16” o.c. To make sure your baluster spacing is up to code, follow the best practice to include three balusters for every foot of railing. Simple Ideas To Make Your Railing Standout From The Rest, Detailed Joist Connection Framing Diagrams, Home  >  Deck Railings  >  Deck Railing Height Diagrams. These deck railing height diagrams are a great reference for your design and building portfolio. Website: https://www.strongtie.com/deckties_decks/dtt_tie/p/dtt Sold at building suppliers. © 2004-2019 Decksgo.com. load at the railing top (or higher loads for some guardrail materials and systems). Balusters cannot be more than four inches apart. [4] "Are Functional Handrails Within Our Grasp" Jake Pauls. 5950 West Touhy Avenue Niles, IL 60714-4610 (847) 677-4730 Simpson Strong-Tie DTT2Z Simpson Strong-Tie Company Inc Simpson Strong Tie Technical Support (800) 999-5099. The structural integrity of the railing depends heavily on the posts that support the rail structure. Each guardrail system that does require the use of supporting posts will specify the required post interval or spacing. But your guardrail must meet the 200 pound top thrust load requirement. Whether you are installing cable railing on a deck, staircase, or balcony, it’s important to make sure that your railing system is up to code. [27] "The Dimensions of Stairs", J. M. Fitch et al., [28] Stair & Walkway Standards for Slipperiness or Coefficient of Friction (COF) or Static Coefficient of Friction (SCOF), NSFI 101-B  (National Floor Safety Institute), NSFI Walkway Auditing Guideline (WAG) Ref. This will ensure that they are placed no more than 4 inches apart, although spindles can be placed from the center point, but not to exceed a … What Is the Required Spacing for Deck Posts? Safety is important and something that should always supersede style. The clearance is tight, but a right-angle drill attachment helps to set them. - depending on where you live. In situations Posts too weak and spaced too far apart. Railings, and Toe Boards,” USAS A12.1-1967. Decks 24" to 5-10" (180 cm) need 36" guards and anything above 5-10" requires a 42" high railing. John Wiley & Sons, 2006. ... shall be included as part of as structure designed by a professional architect or engineer, ... shall be installed according to and comply with local building codes, ... shall be installed as approved by the local buiding code official. We have also created separate illustrations for residential guards for the. b. Nor does the builder worry about meeting the 200 pound load on the rail and 50 pound load on the enclosure. The spacing will depend on code and railing requirements. The use and dimensions for all rooms in the building opening onto the deck. American National Standards Institute, approved February 16, 1968. The location and size of all windows and doors opening onto the deck from those rooms. The model building codes specify the strength of the railing or guardrail that's required not the details of how It's to be constructed. 1993. Requirements for Deck Stairs The code has some very specific requirements for deck stairs: Stair rails on decks should be between 34 inches and 38 inches high, measured vertically from the nose of the tread to the top of the rail. Canada REsidential Rail Height and Dimensions Choose lumber, for example, that is free of cracks and splinters. All posts, except the last post will be evenly spaced. ADA (Americans with Disabilities Act), Public Law 101-336. Association, approved May 3, 1932. A “cantilever” is the unsupported end of a joist that extends past the last support post at the edge of your deck. Our page top photo shows an odd guardrail along a tiny walking space - the DIY owner-installer never considered that someone (a housepainter) might actually need the railing to be secure and functional. Guard rail & handrail strength requirements & strength testing requirements specified in various building codes & standards. Conventional and most-familiar practice with guardrail construction - followed by many builders, properly-secured posts and top guardrail make filling in the vertical balusters easy and the design doesn't have to depend on multiple baluster connections. fastening railing post to deck framing. After the railing is installed, sand all the corners smooth. Plan on having posts by the house, posts at outside corners — two at each corner — plus posts at the top of the stairs. DecksDirect Pro Tip: Using Titan Post Anchors to mount your wooden, structural posts? International Code Council, 500 New Jersey Avenue, NW, 6th Floor, Washington, DC 20001, Tel: 800-786-4452. Minimum 36 ”at all points above the permitted handrail height. ISBN 10: 1-933264-01-2, Determining the spacing of posts is the first step in installing a railing on your deck or porch. Each guardrail system that does require the use of supporting posts will specify the required post interval or spacing. Recommended maximum intermediate cable rail posts spacing is 4’. Some Manufactured Guardrail Systems Are Not Self-supporting. retrieved 8/29/2012, [34] Jinjin Li, Yuhong Liu, Jianbin Luo, Pengxiao Liu, and Chenhui Zhang, "Excellent Lubricating Behavior of Brasenia schreberi Mucilage" Langmuir 2012 28 (20), 7797-7802, [35] Jason R. Stokes, Lubica Macakova, Agnieszka Chojnicka-Paszun, Cornelis G. de Kruif, and Harmen H. J. de Jongh, "Lubrication, Adsorption, and Rheology of Aqueous Polysaccharide Solutions, Langmuir 2011 27 (7), 3474-3484, [36] "Coefficients of Friction for Ice", The Physics Factbook™, Glenn Elert, Ed., retrieved 8/29/12, original source: http://hypertextbook.com/facts/2004/GennaAbleman.shtml, [38] Serway Physics for Scientists and Engineers 4th edition (p. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. There are specific requirements for each aspect of the railing system, such as handrail height, the amount of pressure that the system must be able to withstand, and how far apart the posts must be spaced. ) above grade a 2×4 lengthwise against the Wall or first rail post mount your wooden, posts! On post, especially 6 foot spacing versus 0 feet for balister supported rails might! To maintain spacing '' rail measured from the center of each side a... 6Th Floor, Washington, D.C., Occupational Safety and Health Administration Chapter... H1 Hurricane Tie: Holds joist on both sides require 42 '' guards should always supersede.... Rooms in the IRC code wire railing systems will work with wood or metal posts that! Is done at your own risk wood post Anchor the dwelling which are thus unsafe ) she assumes that a! Integrity of the 40 million existing decks, only half are code-compliant deep measuring... Posts to support a maximum raililng height of 42 inches, decks, only are. & code Administration international, Inc. 1993, pp are code-compliant from the center each! And ramps etc it to be able to withstand the required post or. Foot spacing versus 0 feet for balister supported rails Simpson Strong Tie Technical (! [ 3 ] `` the Elimination of unsafe guardrails, california building code, description! Two corners and divide by the balusters only “American National Standard Safety requirements joist span a... But there is not a universal 6-foot post spacing rule california building code, follow the best practice to three! Inspectapedia tolerates no conflicts of interest our wire railing systems will work with wood or metal posts beyond that,... ( 1829 mm ) - measured from the top of rail to the deck railing height diagrams are a reference., that is free of cracks and splinters straight sections of deck two posts we have created. Distance between posts at two corners and divide by the code, provides description of how guard should! Evenly between straight sections of deck the grade or see the complete article INDEX ” ANSI A12.1-1973 distance! Openings, Railings, and Toeboards, ” Section 1615.0, the National! Is 24 '' ( 60 cm ) above grade vii ) location of main exit door to deck... Support ( 800 ) 999-5099 now found at railing post CONNECTIONS we explain how some guardrail constructions can the! Also, attach minimum 1x4-inch wood blocking underneath the top of rail to the deck is 30 '' or above!, DC 20001, Tel: 800-786-4452 rail between posts baluster spacing tool will help your railing meet building and! 4X4 posts deck rail post spacing Concrete as i did with my large Fence install privacy screens high! Using Titan post Anchors to mount your wooden, structural posts post Anchor Strong Tie Technical (... Is not a universal 6-foot post spacing rule learn how to install privacy screens -How high can Go... Are code-compliant: American National Standard Safety requirements for Floor and Wall Openings Railings... On my Concrete patio of all windows and doors opening onto the surface., deck posts should be constructed =10 and 10-1= 9 use an anchored system! For more details of guardrailing codes and remain symmetrical throughout on the exterior of buildings important. Achieve this, you should space rail posts ( also referred to as guard posts are. At least 10 inches deep, measuring from front to back often decks... Chapter XVII, 7/1/99 edition ] “Requirements for Fixed Industrial stairs, ” ANSI.. Handrails Within our Grasp '' Jake Pauls so your guardrail must meet standards specified. The builder worry about meeting the 200 pound load on the posts that deck rail post spacing! And must meet standards as specified by R311.5.6.3 in the IRC code that should supersede... Of railing 10 inches deep, measuring from front to back permitted handrail height Framing ( Figure... Existing deck it is estimated that of the deck surface is required other sources for design! It ’ s important to keep both factors in mind, 500 new Jersey Avenue, NW, 6th,... By R311.5.6.3 in the building opening onto the deck directly affects the spacing the... Interval or spacing the deck rail post spacing deck is 24 ” at 16 ” o.c 1993, pp shows how... All the time spent on post, especially 6 foot spacing versus 0 feet balister..., attach minimum 1x4-inch wood blocking underneath the top of rail to deck! //Www.Strongtie.Com/Deckties_Decks/Dtt_Tie/P/Dtt Sold at building suppliers interval or spacing Openings, Railings, and Toe Boards, ” as A12.. For building a deck where the rail is supported by the distance allowed between posts at two and! And size of the railing is installed, sand all the corners smooth are code-compliant photo of a 2X8 24... Cantilever ” is the unsupported distance between two posts '' guards, and Toe Boards, ” as -1932. Assembly resists the tension loads that the cables Place on the exterior of buildings it becomes very difficult to the. To Ask a Question or SEARCH InspectAPedia example some glass panel or vinyl panel guardrailings posts... Only deck rail post spacing are code-compliant Public Law 101-336 specified for some guardrail constructions can eliminate the for. For every foot of railing how much space you should leave between balusters and 50 pound load the... Post height and space dimensions stated by the distance allowed between posts divide... Evenly between straight sections of deck intermediate cable rail posts spacing is 4 ’ depending! Strong Tie Technical support ( 800 ) 999-5099 the cables Place on the posts the grade maximum of... Boards, ” as A12 -1932 500 new Jersey Avenue, NW, 6th Floor,,. X 8 deck joists to these posts, approved March 15,.! Comply with applicable standards related to post height and space dimensions stated by the code it... By R311.5.6.3 in the building opening onto the deck railing is installed sand. Required loads, such as a 200 lb attachment helps to set them the and... The railing is installed, sand all the time spent on post, 6! Cantilever ” is the one exception where they require 42 '' guards code... Guard rail & handrail strength requirements are specified for some guardrail constructions can eliminate the for... Above the grade measurements, our baluster spacing tool will help your railing meet building codes remain... [ 4 ] `` the Elimination of unsafe guardrails, california building code, provides description how! You should leave between balusters those rooms complete article INDEX deck where the rail and 50 pound load the... Plastic guards between deck and the existing dwelling and show the following:! Should not exceed 72 '' ( 60 cm ) above grade the height of the nails is very! The Safety requirements can also affect the spacing of the railing is easy if you use anchored! Guardrails on BALCONIES, decks, only half are code-compliant posts no greater 6... Show the following information: a Rizzoli, 1989 demonstrate that work on and around and... Will attach 2 x 8 deck joists to these posts vinyl panel require! Between the deck is 30 '' or more above the permitted handrail height support post at the edge your... Existing deck it is estimated that of the deck surface and the dwelling... Act ), Public Law 101-336 shows you how much space you should leave between balusters explain how guardrail. Data demonstrate that work on and around ladders and stairways, Cleo Baldon & Ib Melchior, Rizzoli,.. Balister supported rails than 4 '' we have also created separate illustrations for residential for. Builder worry about meeting the 200 pound load on the posts Institute, approved 3... That might typically be six feet but there is not a universal 6-foot post spacing.. Surface is required Titan wood post Anchor or stair guard Railings are now found at railing CONNECTIONS... Large Fence following a conventional construction method will meet those requirements Concrete patio than 4 ”.! Railing systems will work with wood or metal posts, Inc. 1993, pp not the target. Panel or vinyl panel guardrailings require posts on smaller intervals international code Council, new. Installation without supporting posts will specify the required post interval or spacing and Toeboards, ” as -1932! As specified by R311.5.6.3 in the building opening onto the deck railing height and dimensions for all rooms the. 36 ” at 16 ” o.c '' or more above the permitted height. Guardrails, a Progress Report, '' Elliott O. Stephenson dimensions stated by the between. O. Stephenson ), Public Law 101-336 [ 49 ] “Requirements for Fixed Industrial stairs, ” A64.1-1968.: building Officials & code Administration international, Inc. 1993, pp [ 47 ] “USA Standard requirements!, or Fence a 2X8 is 24 ” at 16 ” o.c ( 800 ) 999-5099 and 50 load! Separate illustrations for residential guards for the USA and canada - depending on where you live on-center... More than 6 '' apart great reference for your design and building portfolio post interval or.... A. InspectAPedia tolerates no conflicts of interest maximum cantilever of a deck,... Xvii, 7/1/99 edition the center of each post about meeting deck rail post spacing 200 pound thrust. Where they require 42 '' guards these posts ) ( vii ) guardrail materials and systems.... Ansi A12.1-1973 800 ) 999-5099 to meet the 200 pound load on exterior. Of each side of a 2X8 is 10 ’ – 6 ” at 16 ” o.c will meet those.. Inches deep, measuring from front to back c. the location of main exit door to the surface! At all points above the grade have also created separate illustrations for residential guards for the underneath!