Tpo Roof D6878

However given the delays experienced i.

Tpo roof d6878. It covers material property requirements for tpo roof sheeting and includes initial and aged properties after heat and xenon arc exposure. 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 d6878 d6878m 13 standard specification for thermoplastic polyolefin based sheet roofing. As stated in the scope of the standard the tests and property limits.

Astm standard d6878 is the material specifi cation for thermoplastic polyolefi n based sheet roofi ng. 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. Closing thoughts although tpo roof membranes have ex perienced significant market growth the concerns raised regarding tpo membrane performance need to be addressed. 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.

Astm d6878 for balloting. These types of issues typically are best addressed within astm international by the process established for this purpose. I am considering re roofing a flat roof and i want to know how the newest astm tpo roofing standard d6878 d6878m 17 pub. 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.