Installing Rolled Roofing Over Existing Rolled Roofing

Hammer raised nail heads into the roof deck to ensure a smooth surface for an effective installation of the.

Installing rolled roofing over existing rolled roofing. Step by step roll roofing installation 1. As with the felt paper it is very important to properly align the roll roofing. Installing over an existing roof since roll roofing is very light and thin but not particularly durable it s a great option for installing over an existing roof. 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.

Even small cracks in the existing roof can jeopardize the integrity of the layer of roll roofing. Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the. You should not install it over a roof that s severely damaged however. Spread the roofing cement along the.

Apply roofing cement to the roof. If removing your current shingles is a problem it is usually permissible to re roof over your existing roof with rolled roofing. Cut the rolled roofing. After it is unrolled and spread into place over the roof it must be nailed down.

Mark a chalk line to identify the end of your first layer. Rolled roofing is very adaptable and can be cut into 12 inch by 36 inch strips to act as hips and ridges or 9 inch strips for eaves and rakes. It needs to be nailed down with each nail spaced roughly 6 inches apart. Use a trowel to scoop up the roofing cement.

After the eave drip is in place it is time to lay the roll roofing. Add a second piece of full width roll roofing over the first. How to install peel stick roll roofing on a flat roof step 1. Using a measuring tape measure 35 inches 89 cm up from.

Install a drip edge around the perimeter of the roof. Watch licensed home inspector john villella owner of all pro home inspection explain this rolled roofing material issue that was found at a recent home insp.