Roof Over Vs New Roof

In most cases a new roof is the best case but a repair can save time and money as less labor materialand disposal is necessary.

Roof over vs new roof.

Difference between reroofing and roof replacement roofing over an existing roof is also called reroofing or an overlay. Old shingles can curl over time. Multiple layers of shingles can make it difficult or impossible for the nails to penetrate. Affordable roofing by john cadwell inc.

Adding another layer of shingles or metal over an existing roof could be your best solution. There s a lot of visible damage. Add a new layer of shingles which means that there is no tearing off of the old roof. Extra heat causes shingles to curl and break down much more quickly.

Determining whether roof repairis in order or if it is necessary to replace the roof depends on a few factors. Get up to 4 free quotes. The roof should be in sound. I have a 1949 1600 sf under roof with 8 12 pitches valleys and hips 2 6 rafters on 16 on center sheathed with 3 4 center matched lumber going over at least 1 layer of 3 tab shingles a partial tear took off the old tabs and left a nice wavy surface in pretty good shape.

You need a flat surface to install a new roof over existing shingles. So roof replacement may not be the only option to your roofing problem after all. Hence putting a roof on top of a roof. Box beam gable framing new gable overhang is framed in the form of a box beam hanging off of a new layer of roof plywood roof sheathing cantilevered over the top of the 3 layers of rigid insulation.

Mold rot or other significant damage needs to be taken care of with a full replacement not hidden by new materials. Today on in the house jim talks to a show listener with an aging roof. It is the process where roofers install a new roof over your existing one i e. Posted at 02 36h in all urc news blog home improvement tips work news.

Inspect the condition of your current roof. Offers a cost effective option to roof replacement a roof over is the application of new metal or new shingles over the existing roof system. This is mostly due to the fact that a brand new roof traps much less heat than a roof with multiple layers. The exposed edges of the 3 layers of rigid insulation are no longer exposed.

Is it better to roof over lay new shingles over the existing ones or tear it all off and replace the entire roof.