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Fire Performance of Tongue&Groove Decking Fire Performance of Structural Composite Lumber <br /> T&G decking is recognized in IBC Section 2304.9 as SCL includes a variety of engineered wood products such <br /> a permitted building material under the name lumber as laminated veneer lumber(LVL), laminated strand lumbee <br /> decking. Its allowable use is similar to exposed,fire (LSL)and parallel strand lumber(PSL).These products ha <br /> resistance-rated glulam and NLT,and Chapter 16 of the NDS been used for years in both residential and commercial <br /> is a valid option for calculating structural fire resistance. In light-frame wood construction,but,again, there has been an <br /> NDS Section 16.2.5,the calculated structural fire resistance increase in interest due to their applicability for mass timber <br /> of T&G decking is permitted assuming only the underside buildings.SCL products are recognized as accepted building <br /> of the deck is exposed to fire and charring. In contrast, materials in IBC Section 2303.1.10 when manufactured in <br /> calculated structural fire-resistance rating of butt-ointed accordance with ASTM D5456,As noted in NDS Section <br /> decking is required to be analyzed with additional charring 16.2.1,the nominal char rate of 1.5 inches per hour used for <br /> occurring on the sides;33% of the effective char depth is solid sawn and glulam members is also applicable to SCL <br /> used on each side of each plank. members. <br /> „ . �..,. <br /> t. <br /> ty. At <br /> r <br /> , <br /> i <br /> . d.,..,v, -� <br /> a <br /> :} $I f ' q <br /> rY db II <br /> 3 <br /> r <br /> 1II ) ;r Courtesy PerbnsrWill <br /> 0 <br /> r 1 N4 <br /> I . � � iil <br /> M Is <br /> , ; It <br /> ^1 lev <br /> 1 <br /> - <br /> aemard Andre courtesy RMWarchirecmre&interiors <br /> J <br /> 11 <br />