Roll modified bitumen roofing sheets over the entire roof.
How do you put on rolled roofing.
Start at 1 end of the roof and unroll the bitumen to the other end.
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 get the right materials and stick.
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.
You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square.
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.
For a slightly sloped roof use the concealed nail method shown.
When compared to shingles rolled roofing is far cheaper and much easier to apply.
An underlayment of felt roofing is optional.
Applying roofing felt first will better protect the sheathing against condensation as well as against leaking.
Repeat this with each roll until the roof is covered overlapping each sheet by about 3 8 in 0 95 cm.
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.
For example the number of layers must be.
The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge.
Before you will learn the way how to install rolled roofing you should know that laying the roll roofing material depends on several factors and first and foremost it s the slope of the roof.
Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer.
If the roof is sloped you can use the exposed nail method.
Bitumen roofing rolls can be large and heavy so get help carrying them up to the roof if necessary.
You don t need to get a professional in to apply rolled roofing to your house or shed you can do it yourself.
Rolled roofing has become more and more popular in recent years.
This should give you a 1 inch overhang on the eaves including the top edge.