Solid insulation with the proper amount of insulating value over a moisture- controlled environment is the first step in building a long-performing roof system. Without a good, solid foundation, any roof system is in jeopardy of premature failure.
An asphalt-based roof system also needs an appropriate base sheet to properly perform. Design criteria will dictate the necessary attributes of that platform. Depending on whether the system is APP, SBS, BUR or a hybrid, Holcim Building Envelope offers a complete line of membranes to fulfill any anticipated need.