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.
Starting at one side of the roof roll out the rubber roofing materials.
Let is sit on the roof for 30 minutes.
For extra durability you may install roll roofing in two layers.
Step 2 roll out rubber membrane.
One piece rubber roof fully adhered.
Besides creating extra weight for your house to.
A rubber roof will not hold up to spans of more than 1 4 inch in size.
This could be branches leaves rocks or anything like that.
Position the first course so it overhangs the drip edges by about 1 4 inch and roll it out a.
Installing the rolled roofing 1 mark a chalk line to identify the end of your first layer.
The strips should always be horizontal.
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.
It also helps if you first install a layer of roofing felt.
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.