Installing Rolled Roofing Over Existing Rolled Roofing

Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the.

Installing rolled roofing over existing rolled roofing.

As with the felt paper it is very important to properly align the roll roofing. Hammer raised nail heads into the roof deck to ensure a smooth surface for an effective installation of the. 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. 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.

Even small cracks in the existing roof can jeopardize the integrity of the layer of 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. Using a measuring tape measure 35 inches 89 cm up from. After the eave drip is in place it is time to lay the roll roofing.

Cut the rolled roofing. If removing your current shingles is a problem it is usually permissible to re roof over your existing roof with rolled roofing. Sweep the roof deck with a push broom in order to remove debris such as stones leaves twigs moss and loose. You should not install it over a roof that s severely damaged however.

It needs to be nailed down with each nail spaced roughly 6 inches apart. Apply roofing cement to the roof. After it is unrolled and spread into place over the roof it must be nailed down. Add a second piece of full width roll roofing over the first.

Installing the rolled roofing 1. Use a trowel to scoop up the roofing cement. Step by step roll roofing installation 1. How to install peel stick roll roofing on a flat roof step 1.

Install a drip edge around the perimeter of the roof. Mark a chalk line to identify the end of your first layer.