Roof edges pdf wall terminations pdf membrane repair pdf miscellaneous pdf for a complete overview of the installation specifications consult the epdm technical guidelines chapter 3 pdf.
Installing firestone epdm over existing roof.
Then the rest phase begins which allows the rubber to expand naturally.
Firestone is one of the biggest manufacturers of epdm roofing.
Osb3 or exterior grade plywood are both good deck materials for bonding the new.
If you plan to leave your existing roof covering in place and install a new waterproof membrane over the top you will need to consider the following.
The epdm membrane is then sandwiched between this a bead of mastic and the front trim which is finally nailed with stainless steel plastic topped pins to finish.
Fullforce epdm fullforce epdm is the only epdm membrane to feature a factory applied adhesive across its entire surface.
These step by step installation instructions will assist professional installers to cover a roof with a firestone rubbercover epdm system in accordance with the high standards specified by firestone building products.
We were hired by firestone due to our certification with genflex to repair a leaking roof.
When you go fullforce you can get more squares installed in a day.
Epdm should be bonded over 5 8 plywood 5 8 osb board or polyisocyanurate board with a fiberglass backing.
On a warm day resting can take approximately 30 minutes.
We are certified by genflex sister company to firestone.
The specification provided to us stated that we were to fully adhere epdm over the existing epdm after washing.
Rot if the existing roof deck and supporting timbers are rotten these will need to be removed and replaced.
Each installation phase is illustrated in the above manual with one or more 3 dimensional drawings.
Without the need for seam tape adhesives or waiting it installs 4 6x faster than standard epdm membrane including seams.
The membrane needs to be completely unfurled and laid flat over the roof surface.
Can i install epdm membrane directly over an existing roof.