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.
Using a measuring tape measure 35 inches 89 cm up from the bottom of the roof and make a mark with chalk.
Step 2 roll out rubber membrane.
The strips should always be horizontal.
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.
Installing the rolled roofing 1 mark a chalk line to identify the end of your first layer.
Let is sit on the roof for 30 minutes.
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.
For extra durability you may install roll roofing in two layers.
It also helps if you first install a layer of roofing felt.
Plan so that no two butt joints are closer than 2 feet from each other.
How to do it attach first course.
This could be branches leaves rocks or anything like that.
One piece rubber roof fully adhered.
Fill in any gaps in the roof with wood strips.
Position the first course so it overhangs the drip edges by about 1 4 inch and roll it out a.
To seal a plumbing vent spread roofing.