New Roof Over Old Roof

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
New roof over old roof. Replacing a roof can be expensive but if a roof contains only a small slope it s possible to raise the roof pitch of a house by building a roof over the old one. This new roof with a higher pitch can be accomplished with premade roof trusses and typical asphalt shingles. You can save money because there s no dump fee for removing your old roofing and there s no need for additional felt paper over the old roof. 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.
That s also why building codes commonly limit re roofing to no more than two layers. Why installing new shingles over old shingles can be good. Let s start with the good. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because.
Roofing over your old roof can save you around 1 000 on installation costs because the roofing company won t have to remove and dispose of old shingles. It can save you money at the time but it might actually end up costing you more in the long run.