Old Roof New Roof Joined

Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option a properly installed layover roof can look and function as well.

Old roof new roof joined.

You ll need to pull any nails within about a foot of the. Re lay the shingles you removed from the existing roof. A layer of old deteriorating shingles can make your new roof look bad. 25 joinging a new roof to an existing one i have a job coming up tomorrow and i am kind of stuck.

You can join the new concrete right to the old concrete this is called a concrete construction joint. Your house will probably be worth less. Figure out where the new roof will be on the old one and cut a line up the old roof shingles about 3 away above from this valley line. Call for free estimates from roofing pros now.

Then set one new truss in place against the old roof and use it to snap chalk lines to mark the location on the old roof for diagonal 2 inch by 6 inch valley boards which will hold jack rafters to tie the roofs together. Shingle the addition roof letting the new shingles fold through the valley center and onto the old roof deck by at least 1 ft. If you re going to add a roof on top of an old one it s a good idea to remove any loose shingles and apply a new layer of 30 pound roofing felt before laying the new shingles. The roof of a typical two story 2 000 square foot house with a gable roof will consist of less than 1 500 square feet of roofing area or about fifteen squares.

Shingles that are raised or misshapen make it hard to lay a smooth flat layer of new shingles on top. The edge of the existing concrete that was sawed should be drilled and doweled so the new concrete won t separate lift or settle from the old concrete. Strip the roofing from the old roof at the connection point to. Find a pre screened local roofing contractor.

Up from the valley center. Bed the end of each shingle in a 2 in wide ribbon of roofing cement placed 4 in. Tie a new gable or hip roof to an existing gable or hip roof with valley rafters which perform the same function as ledgers.