How Do You Put On Rolled Roofing

An underlayment of felt roofing is optional.

How do you put on rolled roofing. When compared to shingles rolled roofing is far cheaper and much easier to apply. 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. Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer.

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. If the roof is sloped you can use the exposed nail method. Start at 1 end of the roof and unroll the bitumen to the other end. 2 layers for low slope roofs 15 25.

You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square. 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. Rolled roofing has become more and more popular in recent years. Roll out and cut roll roofing to cover the length of the roof.

Applying roofing felt first will better protect the sheathing against condensation as well as against leaking. Roll modified bitumen roofing sheets over the entire roof. Place the top edge of the roofing along the chalk line. 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 example the number of layers must be. This should give you a 1 inch overhang on the eaves including the top edge. Repeat this with each roll until the roof is covered overlapping each sheet by about 3 8 in 0 95 cm. 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.

For a slightly sloped roof use the concealed nail method shown.