Roof Over Vs New Roof

Old shingles can curl over time.

Roof over vs new roof.

Hence putting a roof on top of a roof. You need a flat surface to install a new roof over existing shingles. Get up to 4 free quotes. There s a lot of visible damage.

It is the process where roofers install a new roof over your existing one i e. Today on in the house jim talks to a show listener with an aging roof. Difference between reroofing and roof replacement roofing over an existing roof is also called reroofing or an overlay. Adds value a brand new tear off roof can add to your home s resale value and is a major selling point.

This is mostly due to the fact that a brand new roof traps much less heat than a roof with multiple layers. The roof should be in sound. Mold rot or other significant damage needs to be taken care of with a full replacement not hidden by new materials. How to install a roof over an existing roof determine the feasibility.

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. 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. Adding another layer of shingles or metal over an existing roof could be your best solution. So roof replacement may not be the only option to your roofing problem after all.

The condition of the existing roof is critical. The exposed edges of the 3 layers of rigid insulation are no longer exposed. Inspect the condition of your current roof. Affordable roofing by john cadwell inc.

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. Extra heat causes shingles to curl and break down much more quickly. Add a new layer of shingles which means that there is no tearing off of the old 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.

Determining whether roof repairis in order or if it is necessary to replace the roof depends on a few factors.