Prepare the roofing roll roofing is not very pliant or flexible in cold weather of fewer than 45 degrees fahrenheit and it can crack and break if it is manipulated while cold.
Roll roofing instructions.
1 spend some time cleaning the roof before beginning a rolled roofing installation project.
Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer.
One msr roofing roll is usually about 36 feet long by 36 inches wide.
If it does have to be installed in cold weather cut it into 12 to 18 foot sheets and lay them flat inside a garage to warm up and flatten out.
Install air vents in a similar manner.
Applying roofing felt first will better protect the sheathing against condensation as well as against leaking.
3 take a roll of 18 inch wide roofing and use it to cover the length of the valley.
As you place the rolled roofing down stretch it to get rid of wrinkles and creasing.
Push the rolled roofing down into the wet cement to secure it to the roof.
Roll out and cut roll roofing to cover the length of the roof.
Rolled roofing or roll roofing also known as msr comes in rolls of 100 square feet.
Apply roofing cement slide the flashing over the pipe and push so it lies flat on the roof.
Rolled roofing is easy to obtain and can be found at all home improvement stores.
The first layer should cover the roof as far as the chalk line.
For a slightly sloped roof use the concealed nail method shown.
So in terms of quantity a roofing roll is about the size of one composite shingle square.
2 like any other roof project you should start this one by addressing the valleys.
10 easy steps for diy rolled roofing installation.
Install drip edge and install 9 cant strips of roll roofing material along the rake and eaves edges gable ends and lower roof edge such that the roofing strip overhangs the roof deck by 1 4 to 3 8.
Place the first layer of rolled roofing on the roof.
If the roof is sloped you can use the exposed nail method.
Prepare roof edges cant strips.
For both plumbing vent flashing and air vents you ll need to cut the shingle above to go around the flashing and then install the shingle.