Technical Document Library

Angle Bracket Hanger Typical Details - DT-SPR-1 This detail shows angle bracket hanger assembly for supporting steel sprinkler pipe from wood structural members using blocking and optional fastening methods. APA Panel Subflooring Typical Details - DT-EWG-4 APA Rated sheathing panels installed as subflooring over 2x joists, I-joists, or floor trusses with tongue-and-groove or blocked edges on a wood-framed floor system. Backer Block Typical Details - DT-IJ-1 This detail outlines backer block installation for single and double I-joist headers. Cantilever Detail for Vertical Building Offset with Double I-Joist Typical Details - DT-IJ-2 This detail shows cantilevered double I-joists supporting a vertical building offset and specifies connections to the top plate, blocking panels, and Rim Board or APA WSP closure. Ceiling Flange Hanger Typical Details - DT-SPR-2 This detail shows ceiling flange hanger installation for supporting steel sprinkler system pipes from engineered wood ceiling joists. Coach Screw Hanger Typical Details - DT-SPR-3 This detail shows a coach screw hanger assembly for supporting steel sprinkler pipe from wood framing using filler blocks and sheet metal screws or nails. CPVC Hanger - Double Offset Typical Details - DT-SPR-4 This detail shows double offset CPVC sprinkler pipe hanger assembly using 2x4 blocking with sheet metal screws or nails, supporting 3" maximum diameter pipe per NFPA 13. CPVC Hanger - Face Mount Typical Details - DT-SPR-5 This detail shows two installation options for face-mounting CPVC sprinkler pipe hangers to wood blocking using either sheet metal screws or nail-and-block combinations. CPVC Hanger - Offset Typical Details - DT-SPR-6 This detail shows offset hanger installation for CPVC sprinkler system pipes showing two attachment options using backing nuts or sheet metal screws with lumber blocking. CPVC Hanger in Web Bore Typical Details - DT-SPR-7 This detail shows proper installation of a CPVC sprinkler system pipe hanger through an I-joist web bore, with maximum diameter and load requirements per NFPA 13. End and Edge Distances, Loaded and Unloaded Typical Details - DT-SPR-8 This detail shows proper bolt spacing requirements including loaded edge distance, unloaded edge distance, end distance, and spacing between rows of bolts. Eye Rod Hanger Typical Details - DT-SPR-9 This detail shows eye rod hanger for supporting steel sprinkler pipes from wood framing using filler blocks and sheet metal screws or nails per NFPA 13 requirements. FM Class 1-120 Typical Details - DT-EWG-18 This detail shows an FM Class 1-120 rated flat roof assembly using wood structural panels over steel joists. Framing Anchor to Backer Block Typical Details - DT-IJ-3 This detail shows installation of backer and filler blocks for a double I-joist header supporting a stair stringer that is attached with a framing anchor. Glulam or Multi-Structural Composite Lumber Beams Typical Details - DT-IJ-4 This detail shows I-Joists with top mount hangers supported by a multi-ply structural composite lumber (SCL) beam. This detail is similar for a glulam beam with face mount hangers. I-Joist Blocking Panel Typical Details - DT-IJ-5 This detail shows the installation of PRI blocking panels between I-joists, attached to top plate with face nails for shear transfer at floor sheathing boundaries. I-Joist Cantilever Detail for Balconies Typical Details - DT-IJ-6 This detail outlines proper construction methods for cantilevered I-joist floor extensions, such as balconies. I-Joist Fire Assembly with 0.5 inch Gypsum Board Above Flange Typical Details - DT-FPF-4 This detail shows an I-joist floor assembly with 1/2" gypsum board placed above the bottom flange for fire protection per IRC Section R503. I-Joist Fire Assembly with 5/8" inch Gypsum Board Above Flange Typical Details - DT-FPF-5 This detail shows an I-joist floor assembly with 5/8" gypsum board placed above the bottom flange for fire protection per IRC Section R503. I-Joist Fire Assembly with Gypsum Board Typical Details - DT-FPF-2 This detail shows 1/2" gypsum board fastened to the bottom flange of an I-joist floor assembly for fire protection per IRC Section R702.3.1. I-Joist Fire Assembly with Gypsum Board at Bottom Flange Typical Details - DT-FPF-1 This detail shows 1/2" gypsum board or 5/8" wood structural panel installed at the bottom flange of an I-joist floor assembly for fire protection per IRC Section R702.3. I-Joist Fire Assembly with Gypsum Board at Web Holes Typical Details - DT-FPF-3 This detail shows 1/2" gypsum board installed at I-joist web holes for fire protection, shown in two configurations per IRC Section R702.3.1. I-Joist Fire Assembly with Mineral Wool Typical Details - DT-FPF-7 This detail shows an I-joist floor assembly with mineral wool insulation for fire protection per IRC Section R503. I-Joist Fire Assembly with Rockwool Safe'n'Sound Typical Details - DT-FPF-6 This detail shows an I-joist floor assembly with Rockwool Safe'n'Sound mineral wool insulation for fire protection per IRC Section R503.