Nail down the 18 inch roll roofing sheet that it is covering the valley.
How to attach rolled roofing.
One msr roofing roll is usually about 36 feet long by 36 inches wide.
Position the first course so it overhangs the drip edges by about 1 4 inch and roll it out a.
Extend the front edge of the drip edge so it runs off the roof and into the.
Overlap the next strip of roofing material with the first by at least 4 inches.
The nails should start 3 4 inch from the edges of the roofing and be 6 inches apart throughout the roofing s surface.
Use a 6 inch swath of roofing cement to attach the ends of your strips of roll roofing to the roof itself.
Step 4 trim any roofing that extends beyond the edge of the roof.
Valleys will be open so flash them before hand with metal or two layers of roll roofing the first an 18 inch wide strip and the second 36 inches wide.
So in terms of quantity a roofing roll is about the size of one composite shingle square.
Clean the roof with a broom to remove any debris.
Rolled roofing or roll roofing also known as msr comes in rolls of 100 square feet.
Install the first strip upside down.
Plan so that no two butt joints are closer than 2 feet from each other.
How to install roll roofing on low slope roofs.
Check the sheathing for any nails or screws that may be.
Continue to attach the material with nails every 3 inches.
For laying the material in the corners internal and external it must be cut as a larger sheet and then to be stuck overlapped.
This will help to protect the subsurface.
Make sure the roofing material is laying flat with no bumps or wrinkles attach the upper edge with the large head.
Make sure the rolled roofing is parallel to the eve of the roof.
Once the first row is done add approximately two inches of cement to the top of the first row to secure the second row of roofing.
Enlist the help of one or two helpers to handle the long strips.
Apply about two inches worth of cement under either side to seal the roofing down and then nail it down making sure it still stays flat and even as you go.
To seal a plumbing vent spread roofing.
Rolled roofing is easy to obtain and can be found at all home improvement stores.
Attach drip edge along the edge of the roof with roofing cement.
How to do it attach first course.