Roof Layers House

3 starter shingles a narrow row of asphalt roofing the starter strip is nailed to the perimeter of the roof with a bead of adhesive on top that grips the underside of the first course of shingles.

Roof layers house.

The purpose of the fascia board is to prevent water and wind from damaging the interior of the house. Water shield is the next roofing layer that creates a water proof barrier where ice or water can buildup near the roof eaves. When to consider re roofing. Each layer has a specific purpose that when combined with the other components provides protection to your home.

Like many aspects of a home a roof is fairly complex. Begin this layer at the bottom of the roof and add it in horizontal rows with a slight overlap to prevent. Asphalt shingles typically can have one more layer added over the top two roofs total. It s usually a peel and stick product that adheres directly to the roof deck.

Roll out a single layer of roofing felt or tar paper which serves as a moisture barrier. The roof is a system composed of layers of different materials that work together to keep wind and weather out of your home. Decking most often made out of plywood this roof layer is installed over the framing in a typical roof install. Here are the layers of a roof in order of application bottom to top.

Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio. On most flat roofs such as epdm tpo or modified it is perfectly acceptable to two layers of roofing. For many years it was acceptable to put even the third layer. This synthetic layer which replaces felt paper covers the entire roof deck and is the second line of defense against leaks after the shingles.

If so you ll likely save quite a bit of money by leaving your existing roofing system in place beneath a new layer of shingles. Roof maintenance is a major part of any homeowner s responsibility. Most roof decking is made from sheets of plywood. Custom cross section diagram of a house roof showing the many different parts of a residential roof including structural parts the various layers exterior and various roof features such as skylight and chimney.

There are quite a few parts of a roof on a home including different layers and. The average 30 square roof uses 90 bundles of shingles and a bundle of asphalt roofing shingles weighs about 100 pounds which means you re. Ultimately it s best to work with a roofing professional to determine if your roof is eligible for re roofing. Roof deck is the roofing material that sits on top of the roof trusses.

Now you just have to decide whether to remove the existing roof shingles or recover the roof. 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. Steep sloped roof products such as tile slate metal and shakes only allow one layer.