Tpo Roof D6878

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.

Tpo roof d6878.

Astm standards astm 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. However given the delays experienced i.

Astm d6878 for balloting. 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. 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.

Astm standard d6878 is the material specifi cation for thermoplastic polyolefi n based sheet roofi ng. These types of issues typically are best addressed within astm international by the process established for this purpose. Astm d6878 d6878m 13 standard specification for thermoplastic polyolefin based sheet roofing. Closing thoughts although tpo roof membranes have ex perienced significant market growth the concerns raised regarding tpo membrane performance need to be addressed.