Roofing Shingles 2 Layers On Edges

It can be done.

Roofing shingles 2 layers on edges. Cut the final roof cap shingle in half trimming off the unfinished side of the shingle. Note the 2 lb ft3 spray polyurethane foam enhancing the air seal around the extended rafters. Roof slopes between 2 12 and 4 12 can use shingles but require roof application techniques to take into account a greater potential for ice dam water backup. A couple of weeks ago we published a two part series showing how a local roofing contractor shingled a roof with architectural shingles.

Apply roof cap shingles along the peak of the roof overlapping the shingles on each side of the peak. 51 to 124 per roofing square shingles are priced per roofing square which is equal to 100 square feet. Gently lift up the shingles on the edge of the roof and locate the nails holding the existing drip edge onto. If you install the drip edge on top of the felt any condensation or water running down the roof surface between shingles and felt will run underneath the drip edge down the fascia and perhaps into.

Once free slide the drip edge out and discard. This project guide is a combination of those two articles and it covers replacing the existing roof decking installing underlayment and ice dam protection laying the first row laying shingles in the field flashing ridge shingles and vents and more. That is the drip edge flashing is the first item installed onto the roof sheathing or atop old shingles in a multi layer shingle re roof job. Get some other roofing companies minimum of 2 to inspect the roof and give you an assessment of the roof deck shingle condition and estimate to replace the roof deck shingles.

One of the keys to over roofing is to tie the air control layer of the roof assembly to the air control layer of the wall assembly. How to shingle over existing shingles and how to shingle a roof how to install roof shingles shingle layout lines h. Don t be afraid to pay up to 100 for a well documented report with photos showing what they found. Roof slopes between 2 12 and 4 12 require a double underlayment application in accordance with section r905 2 7.

Roofing second layer of shingles roofing. Use a flat pry bar and hammer to pry the nails out of the drip edge gently. Slopes of 4 12 and above can use standard asphalt roofing applications. Apply the final shingle with two nails through the finished surface.

Browse owens corning roofing shingles by color shingle lines price features wind resistance and or warranty to find the right roof for your home.