Applying roofing felt first will better protect the sheathing against condensation as well as against leaking.
Install roll roofing without nails.
Things you ll need rolled roofing razor knife trowel brush hose measuring tape ladder roofing cement 1 inch 2 5 cm long roofing nails hammer chalk.
Never install roll roofing unless the temperature is at least 50 degrees f.
Install roll roofing measure 35 inches up from the eaves at several intervals along the roof and mark them.
Do not use the eaves as a guide instead because they can be uneven.
This allows a measure of durability far stronger than traditional roofing.
So in terms of quantity a roofing roll is about the size of one composite shingle square.
For extra durability you may install roll roofing in two layers.
Install peel and stick roofing in a similar manner.
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.
Roll roofing is by far the easiest type of roofing to install.
For this type of roofing you ll be utilizing a propane torch to apply heat to the layers of roll roofing to fix them firmly into place.
The strips should always be horizontal.
Snap a chalk line as a guide for the first layer roofing.
It also helps if you first install a layer of roofing felt.
For a slightly sloped roof use the concealed nail method shown.
One msr roofing roll is usually about 36 feet long by 36 inches wide.
This is why so many people choose roll roofing over other types of roofing material.
If the job must be done anyway store the rolls in a warm place prior to application or unroll and cut them into strips no longer than 18 feet and let them lie on the roof until they are flat.
If the roof is sloped you can use the exposed nail method.
Cold weather can cause the roofing to crack during installation.
If possible install roll roofing over a smooth plywood deck either perpendicular or parallel to the slope.
Rolled roofing or roll roofing also known as msr comes in rolls of 100 square feet.
Step 1 prepare the roof.
Install roll roofing when the temperature is at least 50 degrees fahrenheit to keep the material from cracking.
Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer.
Instead of nailing it down you.
The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge.