with a modified bitumen. Most of the systems we install are available with guarantees and depending on your requirements these can vary from 10 to 20 years. Pitched Roof Services With a completely ...

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 ...

Common materials include modified bitumen, EPDM rubber ... BS 8616:2019: This British Standard provides guidelines for the design, installation, and maintenance of green roof systems. Adhering to BS ...