It cannot be bonded to uneven surfaces such as shingles as this hinders the membrane from successfully bonding onto the surface.
Rubber roof over felt.
The new waterproof membrane can then be bonded to the insulation.
Epdm over existing felt roof our site www aqua proof me epdm resitrix self adhesive partial bond supplier www rubber4roofs co uk deck 18mm sterling.
Grace construction products 36 in x 36 ft 100 sq ft rubber roof underlayment.
Please allow extra time for your parcel to arrive.
If the existing roof deck is in good order then in most cases the existing waterproof layer such as felt can be left in place and the new insulation bonded over the top using pu adhesive or mechanically fixed using screws and washers.
24 48hr delays are currently being experienced within the delivery network.
If you re planning on placing a rubber membrane across an existing roof covering you ll have to make sure that the surface is suitable for bonding.
Complete roof deck replacement ripping all previous traces of the old roof including felt asphalt and contaminated timber to reveal roof joists then renewing.
For pricing and availability.
Gaf feltbuster 48 in x 250 ft 1000 sq ft felt roof underlayment.
Grace ice water shield 36 in.
Rubber roofs last over 50 years are environmentally friendly and easier to install than felt.