Serving Residents in Los Angeles & Surrounding Areas
License# 1057764
Serving in Los Angeles & Surrounding Areas
License# 1057764

Can You Fix A Roof With Two Layers Of Shingles In La Canada Flintridge?

Whether you are building an entirely new home or fixing an older one, you will need to take into consideration a few factors in order to be able to you fix a roof by using the use of two layers. Firstly, you need to ensure that there is enough shingles to cover the whole roof. In the next step, you must consider adding another layer. This will increase the weight of your roof, and it will also be less costly than replacing the entire roof.

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Asphalt shingles are able to be laid on top of a wood deck

Adding asphalt shingles to the deck of a plywood will make your roof more robust and cost-effective, but it can also increase the weight. Whether you are building a new house or remodeling an old one, you’ll need to have a solid base of your roof. The best way to do this is to add an underlayment. It shields your deck from rain and wind , and also prevents debris from causing damage to your roofing shingles. It is also able to prevent sap from your wood deck from interacting with your asphalt roofing.

The typical underlayments that are used with asphalt shingles are extremely permeable. But, the degree of permeability can vary significantly. It is generally the more impermeable the felt, the less water vapor it will hold. Depending on how much exposure your deck will have, you may need to put in more felt.

The amount of sublayment you need depends on the type the roof that you own as well as how steep your roof is. For example, if your roof slopes at 4:12 then you need to apply one layer of minimum. 15 asphalt-saturated felt. You should also apply a self-adhering bituminous membrane on the eaves.

Double-layer roofing is less costly as compared to replacing your entire roof

Adding a two-layer of roof shingles a common alternative for those who own a home. It’s less expensive, faster, and can give your roof a fresh look. However, it has disadvantages.

The addition of a second layer of shingles could cut the lifespan that your roofing will last by as much as 40%. The weight of the added shingles puts stress on your roof, and could make it more susceptible to sliding in between the rafters. It’s also possible for water to get through the new layers. It is essential to replace your old shingles with higher-quality materials. You should consult a roofing professional before embarking on this project.

The total cost of a reroof depends on the material you choose and the square feet you require as well as the amount of labor needed for the project. It can cost anywhere from $6 to $24 for each square foot.

An overlay roofing cost is significantly lower than a full roof replacement. You can expect to pay anything from $8,500 to $24,500 for a home with 2,000 square feet.

A roof can be made heavier by adding another layer

The idea of adding weight to a roof by adding another layer of shingles may seem as a good idea at beginning, but it may cause negative results. The extra layer of shingles can add stress on the structure of the home and may result in damage to foundations. The shingles can also increase the amount of radiant heat the roof absorbs, which can reduce the effectiveness of attic ventilation.

Another downside when you add a new layer of roofing shingles could end the warranty of your brand new shingle. Most shingle warranties don’t get applicable to shingles that are layered on top of an already existing roofing. This is due to the weight of the new shingles can make the existing shingles deteriorate faster.

Some home inspectors warn buyers about the potential problems associated with adding a second layers of roofing. The second layer can add an additional heat source, which could warp the shingles, reducing their lifespan. It could also make it more difficult to detect leaks that could result in serious damages to your home.

The roof is being prepared to be a second layer

Adding a additional layer of roofing shingles could save you money, but it can also cause some negative results. In addition to costing more, the additional weight can add stress to your roof, leading to the destruction. It may even obscure the underlayers on your roof and make it difficult to repair problems.

Another issue with the addition of a second layer to your roof is it can lower the lifespan of your roof. The extra heat that two layers of shingles trap will reduce the roofing’s lifespan. Because the first layer of shingles will become damaged, you will not get the same style that you did prior to.

A second layer of shingles is not as easy to install. It’ll take many hours of preparation and more time to ensure your roof is in good shape for the new shingles. Additionally, you’ll have to be prepared for the possibility of an inaccurate inspection report.

It is important to keep in mind that a majority of shingle manufacturers don’t provide warranties for shingles that are placed over other layers of shingles. However, if you install a new layer of shingles in accordance with the specifications of the manufacturer, they might offer an assurance.

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Our mission at SoCal Green Roofing & Builders is to be your go-to roofing contractor in the Los Angeles area. We provide services throughout the greater Los Angeles area, Orange, San Bernardino, and Ventura Counties.


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