fire resistance rating for 3 wood decking

Fire-Resistant Decking and Framing - This Old House

Most wood species are rated Class C for fire resistance, but you can build safer with a Class A–rated composite decking like AmeraDeck, made from PVC and wood fiber. Not all composite decking is created equal, though—be sure to check fire ratings before you buy. $2.15 per lineal foot. AmeraDeck, Chandler, AZ; 877-788-1887. Pressure-Treated Wood

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Fire Resistant Deck Material: Wood and Composite Decking

Most composite decking manufacturers have fire testing data, and its called a flame spread index from 0-200. Zero is the best, 200 the worst. This standard for the flame spread is ASTM E84. Class A has a rating of 0-25, Class B is between 26 and 75, and Class C is 76-200.

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Fire Resistant Decks - FIRESafe MARIN

Examples of ignition-resistant materials include "non-combustible materials" that don't burn, exterior grade fire-retardant-treated wood lumber, fire-retardant-treated wood shakes and shingles listed by the State Fire Marshal (SFM), and any material that has been tested in accordance with SFM Standard 12-7A-5.

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How do you demonstrate the fire resistance of exposed wood .

One method noted in Section 703.3 is to calculate the rating in accordance with IBC Section 722. For calculated fire resistance of exposed wood members and decking, IBC Section 722.1 references Chapter 16 of the American Wood Council’s National Design Specification® (NDS®) for Wood Construction. This chapter gives a nominal char rate of 1.5 .

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Class A Fire Rated Decking | Fire Rated Hardwood Decking Supplier

Seven Trust and Seven Trust Fire Rated Decking. Nova's fire rated Seven Trust and fire rated Seven Trust decking has also been tested. While not quite as fire resistant as the Batu, both Seven Trust and Seven Trust hardwood have very low flame spread ratings and meet Cal Fir, San Diego County and ASTM-84-10 specifications.

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The Most Fire-Resistant Decking: Composites vs. Seven Trust

But, you can choose a deck board that's going to stay structurally sounds longer and buy you and your family more time to leave the home in the event of a fire. For instance, Seven Trust is the only product that has a Class A Fire Rating, that means that although the board may burn it's not going to cause the flame to spread to your house.

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