To Layer On Top Of Each Other Roofs Invebriate

Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio.

To layer on top of each other roofs invebriate.

This is especially true if you ve overlayed your new shingles on top of warped shingles. However most building codes limit a home to only having two layers most homes can handle two layers but adding a third can greatly stress rafters and other structural parts of your home. Re roof or strip the roof down. Each part of the system contributes to protecting your home from severe weather.

Two layers is the maximum in most areas but some building codes allow only one. Sheathing is a layer used as the base of the roof. Additionally make sure that the product you decide to use warranties this type of application. A re roof might not look good on an inspection report.

Why you should not add another layer to your roof. This layer covers the rafters and is beneath the shingles and membrane layers. Now you just have to decide whether to remove the existing roof shingles or recover the roof. It s usually a peel and stick product that adheres directly to the roof deck.

Apply a liberal amount of plastic roof cement at the base of any fixtures plumbing pipes or roof vents which break the plane of the roof surface. When shingles laying on two roof planes approach each other in a valley weave the layers of shingles across the valley to create an integrated unbroken water barrier across the valley. But contractors who spoke with angie s list say best practices call for stripping the roof down to the wood deck to inspect it before installing a new roof. Understanding the different layers of a roofing system is crucial to having a successful project and positive experience when hiring a roofing contractor.

Use 1 5 or 1 75 inch roofing nails. Water shield is the next roofing layer that creates a water proof barrier where ice or water can buildup near the roof eaves. Roof deck is the roofing material that sits on top of the roof trusses. Sheathings are panels that envelope the rafters.

Most roof decking is made from sheets of plywood. Here are the layers of a roof in order of application bottom to top. For example towns in climates with heavy hailstorm activity or significant ice dam problems may not allow multiple roofing layers. Once you have discovered how many layers of roof shingles are allowed the next decision you should make is whether you will have the existing shingles completely removed to make way for two or three new layers or whether you will have another layer of shingles placed on top of the existing layer.

Other parts of the roof are nailed to this later. Local codes might not allow re roofing.