Replacing Roof Over Existing Roof

You re permitted to have two layers of asphalt shingles on your roof so if there s only one in place now you can have a new layer installed right on top.

Replacing roof over existing roof. This is also an excellent opportunity to update the look and feel of your mobile home which can also. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option. This provides added protection against ice dams. Shingles that are raised or misshapen make it hard to lay a smooth flat layer of new shingles on top.

Putting new shingles over existing problems can leave you with a rather unattractive new roof. Roofing over an existing roof is also called reroofing or an overlay. Your roof is soft and spongy feeling if when walking on your roof the majority of it feels soft and spongy you may have some problems with the underlying sheathing of the roof. If you choose the latter you ll also have to decide whether to roof over your existing roof or whether to remove it.

Some roofers install a layer of waterproof shingle underlayment wsu over the existing shingles at the eave end as would be done for a roof laid on bare sheathing. 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. There are cost consequences either way. Putting a new roof over a leaking roof won t remove the leaks.

Unfortunately the money you save by avoiding a full roof replacement comes out of the value of your house. Difference between reroofing and roof replacement. Your house will probably be worth less. Going the repair route.

A properly installed layover roof can look and function as well. However installing new flashings including special drip edge flashings made for reroofing will ensure a tight seal and a long life. Add a new layer of shingles which means that there is no tearing off of the old roof. Usually you do not remove any part of the original roof which not only saves money but shortens the process and is a less unsettling process.

It is the process where roofers install a new roof over your existing one i e. If your existing roof is fairly old there s a good chance the shingles are damaged. One way to minimize this problem is to go over the old roof and correct as many problems as you can before re roofing. A roof over is the process of placing a new roof or roof material over your existing roof.

To fix it you ll need to remove the existing roof.