The area should be well-ventilated; see General Instructions for the Installer, note k for weld information. The flange material is typically laminated veneer lumber (LVL) or solid sawn lumber, and the web is made with plywood or OSB. I-joists are popular for floor and roof framing. Copyright 2022 Tool Expo. nailing requires the use of web stiffeners. APA PRIs are recognized through ICC-ES ESR-1405. APA, AWC and WIJMAjointly developed this paper that describes the history, background and intent of the IRC provisions for fire protection of floors as well as themethods used for establishing equivalence and compliance with these fire protection requirements. Refer to technical bulletinSloped Joist in Non-Sloped Hangers(T-C-SLOPEJST) for information regarding load reductions on selected hangers which can be used without modification to support joists which have shallow slopes ( 3/4:12). Welding eliminates the top and face nailing requirements. Includes information on span ratings, installation details, cantilever designs, architectural specifications and engineering design properties for APA Performance Rated I-Joists. They are ideal for long spans, including continuous spans over intermediate supports. Consult the code for special considerations when welding galvanized steel. I-joists are strong, lightweight, "I" shaped engineered wood structural members that meet demanding performance standards. Key Features Cost-effective one-piece design compared to welded hangers A full-height joist flange that captures the top chord of the joist to prevent rotation and eliminate the need for web stiffeners Available for special order to accommodate sloped and/or skewed members Material 14 gauge or 12 gauge Finish Galvanized. The BA is designed for engineered wood and solid sawn lumber applications. Options Other widths are available; specify W dimension (the minimum W dimension is 1 9/16"). Many APA member-manufacturers have software design tools; contact the manufacturer (at right) for more information. The mark signifies that product quality is subject to verification through APA audita procedure designed to assure manufacture in conformance with APA performance standards or the standard shown in the mark. 2018 - 2022 APA The Engineered Wood Association. All Rights Reserved. Access a complete list of APA publications about I-joists in APA's Resource Library. Because I-joists are straight and true, it's easier for builders to avoid crowning and maintain a level framing surface. Sign In Failed. The leading resource for information about engineered wood products. Check TF dimension, nail length and nail location on ledger. For modified hangers, fastener quantity listed in tables may need to increase depending on joist size, skew and slope. See Modifications and Associated Load Reductions below. The robust combination of structural characteristics results in a versatile, economical framing member that is easy to install in residential and light commercial projects. Click the button below to add the (20 Count) Simpson Strong-Tie BA3.56/11.88 3-1/2 x 11-7/8 Top Flange I-Joist Hanger to your wish list. BigCommerce Premium Themes by PSDCenter. This product hasn't received any reviews yet. APA developed this paper that describes the basic fire protection requirements for prefabricated wood I-joists with factory-applied fire protection solutions for compliance with the codes. APA trademarks appear only on products manufactured by APA member mills. The BA features minimum nailing with positive-angle nailing (PAN) to target moderate load conditions and maximum nailing to support higher loads. For additional load information, refer to technical bulletinTop-Flange Hanger Reductions for Multiple-Ply Headers(T-C-WELDUPLFT). All Rights Reserved. The minimum size weld is a 2"-long fillet weld to each side of each top flange; weld size to match hanger material thickness. We promise to never spam you, and just use your email address to identify you as a valid customer. Bevel-cut the carried member for skewed applications. I-joists are comprised of top and bottom flanges, which resist bending, united with webs, which provide outstanding shear resistance. APA, AWC and WIJMA jointly developed this paper that describes the basic code recognition for prefabricated wood I-joists and the need for product certification in compliance with the codes. Installation Use all specified fasteners; see General Notes and nailer table. In addition, wood I-joists are typically stocked and readily available in depths that meet the needs of residential framing. Learn about several options that enhance the fire performance of I-joist floor systems and comply with the International Residential Code (IRC) by visiting the I-Joist Fire Assemblies page. Weld-on applications produce the maximum allowable download listed. Includes APAs recommendation to increase the fire endurance of all floor-joist assemblies based on the International Building Code. Contains Q&A concerning fire protective coatings. You did not provide a valid email address. Sitemap | The top flanges may be sloped as much as 35 and may be open or closed up to 30. APA Performance Rated I-joists (PRIs) are manufactured in accordance with APA PRI-400, Performance Standard for Residential I-joists. BA max. BA min. PR-L340: Resolute Engineered Wood Larouche Inc. PR-L310: Boise Cascade Wood Products, LLC, ESR-1336: Boise Cascade Wood Products, LLC, ESR-1144: Boise Cascade Wood Products, LLC, PR-L259: Roseburg Forest Products Company, PR-S202: Georgia-Pacific Wood Products, LLC, PR-L259C: Roseburg Forest Products Company, PR-L310C: Boise Cascade Wood Products, LLC, ESR-1405: APA The Engineered Wood Association, PR-L341: Resolute Engineered Wood St-Prime Limited Partnership, PR-S259: Roseburg Forest Products Company, PR-S201: Boise Cascade Wood Products, LLC, GR-L259: Roseburg Forest Products Company. Be the first to review this product! This top-flange hanger can carry medium loads with solid sawn lumber and higher loads with engineered wood products. Check with your Simpson Strong-Tie representative for details. Hot-dip galvanization available: specify HDG. A discussion of the durability and safety of wood I-joist floor assemblies in structure fires. Certification and inspection of products treated with fire-protective coatings are outside the scope of APA. I-joists are used extensively in residential floor and roof framing. Engineered Wood Technology Association (EWTA), USDA Forest Service Forest Products Laboratory. (20 Count) Simpson Strong-Tie BA1.81/11.88 1-3/4 x 11-7/8 Top Flange I-Joist Hanger, (20 Count) Simpson Strong-Tie HIT418 3-1/2 x 18 Top Flange I-Joist Hanger, (20 Count) Simpson Strong-Tie HIT420 3-1/2 x 20 Top Flange I-Joist Hanger. This Performance Standard provides an easy-to-use table of allowable spans for applications in residential floor construction, allowing designers and builders to select and use I-joists from various member manufacturers using just one set of span tables. 9-1/2", 11-7/8", 14", 16". nailing does not require web stiffeners. The coating on special BA hangers will depend on the manufacturing process used. Ledgers must be evaluated for each application separately. All modified hangers are 12 ga. Hangers may be modified for slopes and/or skews up to 45. May be ordered hot-dip galvanized; specify HDG. May be used for weld-on applications. Distribute the weld equally on both top flanges. (25 Count) Simpson Strong-Tie MIT4.28/11.88 - 4-1/8 x 11-7/8 Top Flange I-Joist Hanger, (20 Count) Simpson Strong-Tie BA2.56/11.88 2-1/2 To 2-9/16 x 11-7/8 Top Flange I-Joist Hanger, (20 Count) Simpson Strong-Tie AC4Z 4X Adjustable Post Cap ZMAX, (20 Count) Simpson Strong-Tie AC6Z 6X Adjustable Post Cap ZMAX, (20 Count) Simpson Strong-Tie BCS2-2/4Z 2-2X4 Post Cap ZMAX, (20 Count) Simpson Strong-Tie BA3.56/11.88 3-1/2 x 11-7/8 Top Flange I-Joist Hanger. (25 Count) Simpson Strong-Tie ITS3.56/11.88 3-1/2 x 11-7/8 Top Flange I-Joist Hanger. Flange widths vary from 1-1/2" to 3-1/2"; long lengths are readily available.
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