Install Rolled Roofing Flat Roof

Place the top edge of the roofing along the chalk line.

Install rolled roofing flat roof.

For a slightly sloped roof use the concealed nail method shown. This should give you a 1 inch overhang on the eaves including the top edge of. Nail it in place with roofing nails that penetrate at least 3 4 inch into. Roll out and cut roll roofing to cover the length of the roof.

3 take a roll of 18 inch wide roofing and use it to cover the length of the valley. Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer. 2 like any other roof project you should start this one by addressing the valleys. This product is the best way of covering low incline roofs.

Roll roofing a small flat roof with greg zanis weatherwatch this quality gaf leak barrier helps keep water out of the most vulnerable areas of your roof inc. Place the first layer of rolled roofing on the roof. Install roll roofing measure 35 inches up from the eaves at several intervals along the roof and mark them. 10 easy steps for diy rolled roofing installation 1 spend some time cleaning the roof before beginning a rolled roofing installation project.

Do not use the eaves as a guide instead because they can be uneven. Applying roofing felt first will better protect the sheathing against condensation as well as against leaking. Rolled roofing is the least expensive roofing material even compared to low cost composite shingles. Hammered down rolled roofing should not be used on flat roofs though as this will lead to leaks.

If the roof is sloped you can use the exposed nail method. Snap a chalk line as a guide for the first layer roofing. Push the rolled roofing down into the wet cement to secure it to the roof. Smooth down the sheet with your hand to adhere the roll roofing to the roof deck.

As you place the rolled roofing down stretch it to get rid of wrinkles and creasing. Align the length of roll roofing with the lowest edge of the flat roof and flush to the side edge of the roof. The first layer should cover the roof as far as the chalk line. All materials even the nails are inexpensive.