Tpo Roofing Fire Rating

In the world trade tower collapse heat load on the connections of steel trusses is suspect.

Tpo roofing fire rating. Ul and fm list many roof ceiling systems in their publications. Fire rated class a both tpo and epdm membranes are class a fire resistant. Experience ingenuity and a sense of humor. 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.

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. The maximum flame spread is 6 feet for a class a rated roof 8 feet for class b and 13 feet for class c. Experience maximum flame spread of 13 feet. Ultraply tpo invisiweld system the firestone ultraply tpo invisiweld system is a high performance non penetrating tpo membrane fastening system.

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. 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. Pressure treated shakes and shingles are the most common roofing materials to fall under the class b rating.

Class a is the highest rating offering the highest resistance to fire and unrated is the worst. Reflective and penetrable most tpo is usually white and extremely reflective. 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. Class c roofing provides only light fire protection.

This is a system test that includes structural members such as beams trusses and roof deck. 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. Roofing it right with dave and wally when you re facing your next low slope roofing challenge you re going to wish you had dave and wally up there with you. 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.

Time temperature ratings the third major roof system fire test is astm e 119. 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.