Tpo Roof D6878
Tpo as the principal polymer intended for use in single ply roofing membranes exposed to the weather.
Tpo roof d6878. The current heat aging requirement in astm d6878 is 240 f for 670 hours or 28 days. The sheet shall contain reinforcing fabrics or scrims. Astm d6878 d6878m 13 standard specification for thermoplastic polyolefin based sheet roofing. Tpo roofing membrane exceeds d6878 standards.
Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope. I am considering re roofing a flat roof and i want to know how the newest astm tpo roofing standard d6878 d6878m 17 pub. Second in 2003 astm international published astm d6878 standard specification for thermoplastic polyolefin based sheet products. In place roof system design criteria such as fire resistance field seaming strength material compatibility and uplift resistance among.
Jan 21 2013 gaf materials corp. Astm d6878 astm d6878 s scope indicates it ad dresses flexible sheets made with tpo as the principal polymer intended for use in single ply roof membranes. Astm d6878 03 historical standard. 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.
Roofing carlisle syntec recommended astm d6878 be revised to include an extreme heat aging laboratory test of 275 f for 56 days. 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. Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price.
Carlisle syntec con tends extreme heat aging would better pre dict tpo membranes abilities to withstand. Tpo roofing systems 101.