The last step of the rubber roof installation guide is applying adhesive.
How to install rubber roofing membrane.
Choose a section to start in and lift the membrane off of the roof.
Mix the adhesive according to the guidelines on the packet of the adhesive.
The adhesive must be applied to 100 of the surface in an even coat without globs or puddles.
Do not use a lot of adhesive along the edges.
Press the membrane down and continue until one section is finished.
This is the type of system i like to install best one of the key strengths of a rubber roof is the lack of joints and therefore potential leaks epdm rubber membrane can be cut to virtually any size from one piece without joins up to 15m x 30m.
One piece rubber roof fully adhered.
Use the paintbrush to paint the roof or plywood with the adhesive and then paint the back of the flat roof membrane.
Repeat this process with the other half of the rubber roof.
The membrane can alternatively be applied in a thin coat to the membrane and substrate.
Apply a thin coat of contact adhesive to the roof deck perimeter approximately 150mm width and any vertical upstands.
Apply the adhesive to both the materials of the rubber roof and the roof itself by using a roller.
Apply contact adhesive to roof perimeter.
Also apply the contact adhesive to the back of the rubber membrane.
This creates the best bond possible.
Apply water based deck adhesive using a 9 paint roller.
Once the adhesive is active you can then spread it on the back of each sheet of rubber.
Open and thoroughly stir the classicbond water based deck adhesive.
Using a medium pile paint roller apply the water based deck adhesive to the timber substrate.
Use a hand brush to thoroughly coat each piece of rubber.
Carefully fold back the rubber membrane over the section and roll flat.
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Roll the epdm membrane back in to position immediately whilst the adhesive is still wet.
Leave a 150mm un bonded area around the roof deck perimeter for bonding later with contact adhesive.