mastermax 3 Extra
Triple layer, quality high performance roof underlayment membrane that contains a polypropylene layer protection on both sides. Mastermax 3 Extra is strong, vapour-permeable and UV resistant, providing your property maximum protection against harsh weather conditions. It is tear resistant and extremely pliable, making installation an ease.
PROperties and size
Mastermax 3 Extra was evaluated for select physical properties in accordance with ASTM D226 and ASTM D4869 for screening criteria.
The sample was tested in general accordance with the following test methods:
A summary of test results is presented in Table 1. Detailed test results are described in Appendix
A. SI units are the primary units of measure.
The sample submitted by Masterplast Inc., identified as "MasterMax 3 Extra", meets the breaking strength, pliability and lost of heating requirements set by ASTM D226, Table 1 as a type 1 material when tested as described in this report.
"MasterMax 3 Extra", meets the breaking strength and pliability requirements set by ASTM D4869, Table 1 as a type I material.
"MasterMax 3 Extra" meets the tear strength, loss on heating, liquid water transmission and dimensional stability requirements set by ASTM D4869, Table 1 as a type IV material.