Roof Built Over Existing Roof

Shingles that are raised or misshapen make it hard to lay a smooth flat layer of new shingles on top.

Roof built over existing roof.

A mobile home roof over creates a unique opportunity to completely change the look of the home. Our house has a hip roof. Premade roofing trusses will be easier and take less time than installing a stick built roof. How to install a roof over an existing roof determine the feasibility.

If your existing roof is fairly old there s a good chance the shingles are damaged. Add roof existing deck add roof existing deck 12. This provides added protection against ice dams. Install post base connectors.

Remove the top several levels to. Attach patio roof existing house. You ll need to remove the siding where it meets the roof. Building a new roof over an existing roof runestone.

Use the guide we. These are used to attach the support posts to the frame of the deck. The condition of the existing roof is critical. Multiple layers of shingles can make it difficult or impossible for the nails to penetrate.

The fully adhered membrane wrapped down over the cut back roof deck to tie into the wall water control layer and air control layer photograph 11. One of the keys to over roofing is to tie the air control layer of the roof assembly to the air control layer of the wall assembly. For a solid connection you ll have to. The most important part of any roof over is to first come to terms with the state of your roof.

Unfortunately the money you save by avoiding a full roof replacement comes out of the value of your house. Your house will probably be worth less. How to increase the pitch by building a roof over an existing roof use premade roof trusses. Add porch roof existing build metal over deck add porch roof existing build metal over deck 11.

I suspect the weight of the reconformed roof with the existing hip roof under it would be more possibly a. 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. The roof should be in sound. Attach patio roof existing house attach patio roof existing house 13.

Before you begin make sure you re matching the house roof pitch angle and overhang for your roof. Attaching patio cover existing roof attaching patio cover existing roof 14. Inspect the condition of your current roof. Once your roof is back in tip top condition you can start looking at the various roof over options.

Take a look at our step by step guide for building a shed roof over your existing deck. Less labor is needed and there are much smaller refuse fees. The shingles will need replacing in the next couple of years and the roof sheathing.