Gar Roofing Class A Fire Ratings

As you can see these shingles have a class a fire rating and its wind resistance rating is 130 mph.

Gar roofing class a fire ratings.

What class are gaf timberline hd shingles. The best rating achieved is class a which is described by ul as effective against severe fire exposure class 1 rating. Get free shipping on qualified class a roof shingles or buy online pick up in store today in the building materials department. Class a does not mean grade a roofing systems are rated by realistic fire tests.

The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c. Understanding roof fire ratings class a roofing. You can find the ratings for gaf timberline shingles on this website. In a recent roofing column we focused upon technical information that could be found on roofing material wrappers that could verify compliance with various building codes.

According to the scope of fm 4470. A wind warranty with no maximum wind speed limitation. Truck tool rental. An exterior fire retardant treated shake roof has a stand alone class b rating.

The class 1 rating is an exclusive designation that can only be awarded by fm global which indicates the successful testing of the entire roof assembly using fm approval standard 4470. And so we finally come to the question posed by the title of this article. Set custom price range. Tested roof systems are fire classified class a b or c where the most fire resistant roof assemblies are class a and class c is least resistant.

Ul class a listed to ansi ul 790. This month let s take a closer look at one particular type fire ratings. But by including a particular underlying material it can meet the requirements for a class a roof. In some jurisdictions roof assemblies are required to be fire resistant.

Common underlying materials include a type 72 roll roofing material also known as 72 pound felt or 72 pound capsheet material and a panelized gypsum product. Versashield fire resistant roof deck protection provides the very best fire protection. Class a roofing is the preferred choice for any home but this type of roofing is particularly important if you live in an area that is prone to wildfires to achieve a class a rating the roof must be effective against severe fire exposure. Windproven limited wind warranty.

That puts it somewhere between class g and class h. When installed with the required combination of gaf accessories timberline hdz shingles are eligible for an industry first. Highest roofing fire rating. 20 30 3 30.

Building code fire resistance requirements building codes establish fire resistance requirements for roofs based on the type of construction e g concrete steel wood for the building.