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.
For extra durability you may install roll roofing in two layers.
One piece rubber roof fully adhered.
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.
Starting at one side of the roof roll out the rubber roofing materials.
This could be branches leaves rocks or anything like that.
Using a measuring tape measure 35 inches 89 cm up from the bottom of the roof and make a mark with chalk.
Besides creating extra weight for your house to.
Installing the rolled roofing 1 mark a chalk line to identify the end of your first layer.
It also helps if you first install a layer of roofing felt.
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.
Plan so that no two butt joints are closer than 2 feet from each other.
Fill in any gaps in the roof with wood strips.
The strips should always be horizontal.
How to do it attach first course.