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

Common materials include modified bitumen, EPDM rubber ... Position the insulation layer correctly within the green roof system, typically above the waterproofing membrane and below the drainage layer ...

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 required ...

Bitumen (UK: /ˈbɪtʃʊmɪn/ BIH-chuum-in, US: /bɪˈtjuːmɪn, baɪ-/ bih-TEW-min, by-) is an immensely viscous constituent of petroleum. Depending on its exact ...