Tpo Roof D6878

Astm d6878 d6878m 13 standard specification for thermoplastic polyolefin based sheet roofing.

Tpo roof d6878.

It covers material property requirements for tpo roof sheeting and includes initial and aged properties after heat and xenon arc exposure. Overall the aged tpo membrane roofs in this study are performing well and in most instances meeting the current astm d6878 19 requirements for newly manufactured membranes. July 2017 would be applied to material warranties and if there is a 5 yr time lag between new standards and manufacturers such as gaf being able to to produce newer tpo materials that meet the newest standard. I am considering re roofing a flat roof and i want to know how the newest astm tpo roofing standard d6878 d6878m 17 pub.

However given the delays experienced i. In may astm international published a new product standard that applies to tpo roof membrane sheet products astm d6878 standard specification for thermoplastic polyolefin based sheet roofing this provides the first consensus standard defining tpo products available in the united states. Astm standards astm d6878. Even after 12 or more years of aging both the 45 and 60 mil membrane samples exceeded current thickness requirements for newly manufactured tpo membranes.

The sheet shall contain reinforcing fabrics or scrims. Astm d6878 for balloting. As stated in the scope of the standard the tests and property limits. 1 1 this specification covers flexible sheet made from thermoplastic polyolefin tpo as the principal polymer intended for use in single ply roofing membranes exposed to the weather.