Applying roofing felt first will better protect the sheathing against condensation as well as against leaking.
How do you attach roll roofing.
If you find that you run out of roll before you make it across the entire length of the roof during one of the courses this is not a problem.
If you are wonder how to install roll roofing the following information may be useful for you.
However roll roofing does not look nearly as good as shingle or tile so it is typically only used on roofs that are not readily visible.
Add a second piece of full width roll roofing over the first.
It has a life expectancy of anywhere from six to 10 years but it s fairly inexpensive.
Trim the shingles away from the ridge vent hole.
How to install a roof over an existing roof.
It can be installed simply and requires only nails and roofing cement.
Nail the roofing in place with short roofing nails spaced 6 inches apart and 1 inch in from the outer edges of the roll roofing.
Attach the plastic ridge vent with 3 roofing nails.
For a slightly sloped roof use the concealed nail method shown.
Rolled roofing materials differ according to their base material binder material and a fraction of spreading.
As the basis of these materials fiberglass and polyester are often used.
Just be sure that the side edge of this roll is overlapped by at least 6 inches of the side edge of the next roll and that you seal the seam between the two with cement.
If you get the right materials and stick.
If the roof is sloped you can use the exposed nail method.
Roll roofing is a good choice for covering an existing roof.
Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option.
Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer.
Attach he ridge cap shingles with two nails each.
If the plumbing vent is close to the peak of the roof lap the shingles over the peak of the roof.
You don t need to get a professional in to apply rolled roofing to your house or shed you can do it yourself.
It is a great option for flat or nearly flat roofs since they aren t visible from the ground and is a project that you can do in a day.
Rolled roofing has become more and more popular in recent years.