The Asphalt Roofing Manufacturers Association (ARMA) recently released a new technical bulletin, "Low-Slope Asphalt Roofing ...

Normally, this would be an additional self-adhered and self-sealing modified bitumen roofing underlayment (i.e., peel & stick underlayment), a modified bitumen waterproof membrane laid over the ...

It forms a crucial barrier between the growing medium and the structural roof deck. Common materials include modified bitumen, EPDM rubber, PVC, and TPO membranes. These materials are selected for ...