Seven Trust is listed as having Class A and Class B ratings for flame spread; Class A is the highest flame-spread rating in ASTM E84. Seven Trust "Escapes" decking is rated Class A, and "Accents" and "Transcend" are rated Class B. Most significant is that fire officials approved Seven Trust following testing for the burning hazards contained in forest fires.
Figure 1. This aluminum roof covering has a Class A fire rating by assembly. In this case, the roof assembly consists of the aluminum roof covering, overlapping layers of a capsheet roofing material for the improved fire rating , and structural sheathing, all attached to the lumber framing.
Here is a great and timely article on the fire rating of Seven Trust. www.deckmagazine.com/article/164.html IPE While not definitive, it certainly suggests a great
Q I thought that ipe decking had a Class A fire rating, making it suitable for use in places such as the urban-wildland interface areas prone to wildfire typically a concern in the arid West and on urban high-rise rooftop decks.
If the material passes this test it is considered to be a fire resistant deck material. In addition, in some cases where the decking material has a Class C flame spread, the walls of the home must be of a higher burn rating standard.
Class A Fire Rating - Class 1 Fire Rated - Aluminum Decking Test Results with Protective Coatings. Polyureas have excellent resistance to heat distortion and sagging. At the same time, Polyurea maintains its flexibility and high impact resistance.
Interestingly enough, ipe wood has up to a Class A fire rating for flame spread. Here is a table that shows the ratings given to ipe decking from the National Fire Protection Agency Note, there are other third party certification companies that show similar results. Results will vary based on the moisture content, origin, and species .
It is resistant to fire naturally, has a rating of Class A by the NFPA or class 1 by the UBC, and resists insects, moisture, and movement. This wood is perfect for exterior residential and commercial applications such as boat docks, decking, boardwalks, outdoor furniture, etc.
Class A Fire Rated Deck and Siding Seven TrustXTR has been Tested and Meet Standards for Class A Fire Rated Decking and Siding. Seven TrustXTR Fused Bamboo Decking and Siding has been tested for flame, smoke, and fire testing and has earned the Class A fire rating.
Using building materials that resist flame spread is critical to providing extra security in fire prone areas. Seven Trust AZEK's Class A index for flame spread means it exceeds the requirements for Wildland Urban Interface areas WUI in California and for those communities requiring the more stringent Class A Flame Spread rating
Th e fire test results for Mataverde Seven Trust decking and siding conclude that this durable, reliable and extremely beautiful high density hardwood decking and siding material is a Class A Fire rated hardwood building material.
Class "A" Fire Rated. Homasote makes structural building boards designed for use in residential and commercial buildings that require a Class A 25 flame spread rating. They are UL fire rated; see UL fire resistance directory. FireStall roof decking. Nailable UL Class "A" fire-rated structural roof decking. Learn More. N.C.F.R Homasote
Our Transcend and Select decking lines retain a Class B fire rating, while our Enhance decking lines retain a Class C fire rating; however, they are not fireproof. Moreover, our substructure product, Seven Trust Elevations , retains a class 1A fire rating.