Tpo Roofing Fire Rating

Reflective and penetrable most tpo is usually white and extremely reflective.

Tpo roofing fire rating.

The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c. Customer choice of insulation since single ply membrane roofing does not include the insulation factor as a customer you have more options to choose from to insulate your facility s roof. During the production process the manufacturer adds fire retardant chemicals to the composition of the material. Ul and fm list many roof ceiling systems in their publications.

This is a system test that includes structural members such as beams trusses and roof deck. Class a fire rated tpo membranes and epdm can achieve underwriters laboratories ul class a fire resistance listings by adding fire retardant chemicals during the manufacturing process. This means that having a tpo roof on your home or building will keep the interior thermally comfortable on hot summer days while reducing your air conditioning costs. Tpo s membrane s white reflective surface exceeds the epa s energy star requirements and white tan and gray are listed with the cool roof rating council.

Reaction to fire in accordance with en 13501 1 din 4102 1 resistance to external fire in accordance with en 13501 5 din 4102 7 the firestone ultraply tpo roofing systems have also been tested for their wind uplift resistance in accordance with the ueatc eota and fm guidelines resulting in several wind uplift ratings. Fire ratings for roofs are classified as either class a class b class c or are unrated if a roof covering cannot meet the requirements for any of these classifications. Class c roofing provides only light fire protection. Experience maximum flame spread of 13 feet.

Roofing with a class c rating is able to. Fire rated class a both tpo and epdm membranes are class a fire resistant. The slope of the test specimen is preselected and since steeper slopes are more of a challenge due to melting material feeding the fire the rating applies to the maximum slope passed. Class a is the highest rating offering the highest resistance to fire and unrated is the worst.

Pressure treated shakes and shingles are the most common roofing materials to fall under the class b rating. These two consummate roofing pros bring three important tools to every job. Time temperature ratings the third major roof system fire test is astm e 119. Mechanically attached it provides high wind uplift ratings and offers simplified installation that reduces labor and material costs.

Withstand a burning brand measuring 1 5 x 1 5 and weighing 1 4 gram. Ultraply tpo invisiweld system the firestone ultraply tpo invisiweld system is a high performance non penetrating tpo membrane fastening system.