You can install roll roofing directly over a single layer of existing roof covering but if there are already two coverings you must remove both.
Rubber roll roofing installation.
Plan so that no two butt joints are closer than 2 feet from each other.
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.
This could be branches leaves rocks or anything like that.
Let is sit on the roof for 30 minutes.
It also helps if you first install a layer of roofing felt.
The strips should always be horizontal.
To install roll roofing you ll need to cut the material into long strips of the correct length for your roof and lay it flat.
Using a measuring tape measure 35 inches 89 cm up from the bottom of the roof and make a mark with chalk.
Installing the rolled roofing 1 mark a chalk line to identify the end of your first layer.
Besides creating extra weight for your house to.
For extra durability you may install roll roofing in two layers.
Position the first course so it overhangs the drip edges by about 1 4 inch and roll it out a.
How to do it attach first course.
One piece rubber roof fully adhered.
Starting at one side of the roof roll out the rubber roofing materials.
To seal a plumbing vent spread roofing.