Solar heat reflective roofing membrane and process for making the same

摘要

A roofing membrane with high solar heat reflectance includes a bituminous base sheet, a tie-layer with a reinforcement material, and a solar heat-reflective upper layer.

主权项

1. A roofing membrane with high solar heat reflectance, the roofing membrane comprising:
a bituminous base sheet comprising a continuous substrate sheet of fibrous material, the continuous substrate sheet being saturated with a bituminous material and coated on at least one side with a bituminous material; a tie-layer comprising a reinforcement material on the bituminous base sheet; the reinforcement material comprising mineral particles; and a solar heat-reflective upper layer on the tie-layer.