Install Rolled Roofing Flat Roof

Align the length of roll roofing with the lowest edge of the flat roof and flush to the side edge of the roof.

Install rolled roofing flat roof.

Push the rolled roofing down into the wet cement to secure it to the roof. Place the first layer of rolled roofing on the roof. Snap a chalk line as a guide for the first layer roofing. Hammered down rolled roofing should not be used on flat roofs though as this will lead to leaks.

Smooth down the sheet with your hand to adhere the roll roofing to the roof deck. For a slightly sloped roof use the concealed nail method shown. The first layer should cover the roof as far as the chalk line. 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.

As you place the rolled roofing down stretch it to get rid of wrinkles and creasing. Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer. Rolled roofing is the least expensive roofing material even compared to low cost composite shingles. This should give you a 1 inch overhang on the eaves including the top edge of.

2 like any other roof project you should start this one by addressing the valleys. Roll out and cut roll roofing to cover the length of the roof. All materials even the nails are inexpensive. Rolled roofing goes down quickly.

Place the top edge of the roofing along the chalk line. 3 take a roll of 18 inch wide roofing and use it to cover the length of the valley. Do not use the eaves as a guide instead because they can be uneven. Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the valley.

If the roof is sloped you can use the exposed nail method. Install roll roofing measure 35 inches up from the eaves at several intervals along the roof and mark them. Pull back 6 inches of the release paper in order to position the start of the roofing sheet accurately. Nail it in place with roofing nails that penetrate at least 3 4 inch into.