Metal Roof Layers

The metal used for the roof can be tin copper aluminum or steel.

Metal roof layers.

It s usually a peel and stick product that adheres directly to the roof deck. Add strips of felt paper or polymer underlayment horizontally across the roof making sure to overlap the layers by at least four inches. Staple each strip at the ends and once per square foot in the middle of the strip. Most roof decking is made from sheets of plywood.

In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles. Selecting the right underlayments for a lifetime metal roof should be a primary concern for anyone thinking about specifying or choosing to install a metal roof on their home. Water shield is the next roofing layer that creates a water proof barrier where ice or water can buildup near the roof eaves. It provides structure by tying the trusses and joists together.

Metal roofing weighs less than one pound per square foot. Otherwise you will need to remove the shingles. You can usually see the underside of plywood decking from the attic. The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof.

Disadvantages of metal roofs. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Roof deck is the roofing material that sits on top of the roof trusses. Installing metal roofing over shingles is the best solution.

Most often made out of plywood this roof layer is installed over the framing in a typical roof install. Where two parts of the roof meet in a. Installation of either type of metal roofing underlayment is fairly straightforward. Otherwise they would be found everywhere.

Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it. Get free shipping on qualified metal roofing or buy online pick up in store today in the building materials department. Like most other things there are a few disadvantages of choosing metal roofs. Another added benefit is that the layers of your old roof will further insulate your home.

Ice water barrier this self adhering water proof and self sealing membrane is applied to the roof deck. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.