As shown in Figure 1 below, fasteners (including nuts and washers) used with FRTW in exterior conditions or where the wood's service condition may include wet or damp locations need to be hot-dipped zinc-coated galvanized steel, stainless steel, silicon bronze or copper.
The exception permits plain carbon steel fasteners such as nails, and timber rivets, wood screws and lag screws to be used in SBX/DOT and zinc borate preservative-treated wood when in an interior, dry environment.
control, Hoover Treated Wood Products, Inc. (â€œHooverâ€) disclaims all liability and assumes no legal responsibility for. Interior Fire-Retardant-Treated Wood.
Conrad Forest Products always recommends the use of hot-dipped zinc-coated galvanized steel, stainless steel, silicon bronze or copper fasteners with all pressure-preservative or fire-retardant treated wood products. The coating weight weights for zinc-coated fasteners shall be in accordance with ASTM A-153.
Fire Treated Lumber. Interior and Exterior fire-retardant lumber helps you improve building safety, meet code, and get the job done. Pyro-Guard is pressure
Effective January 1, 2004, lumber treated with arsenic (CCA â€“ Chromated Copper. fasteners are acceptable for use in ACQ pressure treated lumber and fire rated lumber;. BLAZERÂ® Drill Screws for wood-to-metal applications coated with .
Fasteners used in D-Blaze fire retardant treated wood must be in accordance with. . Fasteners other than nails, timber rivets, wood screws and lag screws shall .
Guidelines for treated wood.. Examples include fasteners (nails, screws and bolts), and all connecting. The 2006 International Residential Code states, â€œ
The actual flame-spread rating of treated lumber or plywood depends on the fire–
to corrosion of metals in preservative treated wood into a single report on corrosion. . fastenersâ€”nails, lag screws, and bolts (Aune and Patton-. Mallory 1986. . has been treated with a wood preservative or fire retardant. Prior to 2004, the .