Metal Roof Over Shingles Insulation

Metal is the best choice due to its very low weight per square foot and its unique design.

Metal roof over shingles insulation. Metal roofing weighs less than one pound per square foot. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Asphalt shingles can weigh up to four pounds per square foot depending on the brand. Advantages of metal roofs over shingles.

Disadvantages of metal roofs. Radiant barrier spray metal roof insulation adding the metal roof insulation can be done easily when you renovate your house. If you don t want to take our word for it check with your local building department. This helps to block moisture from getting trapped between the metal roof and the sheathing.

Both metal and shingle roofs are great options for your next roofing project. In this video i cover measuring the roof figuring the metal th. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. No matter it is an office or a home a layer of metal roof insulation will give you a lot of benefits.

Metal roofing is also available in the form of shingles. Things to know about metal over shingle roof problems. This is by far the most common way to install a metal roof. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.

Use roofing felt to cover the entirety of the roof and secure it with a staple gun or nails then cover it with a breathable membrane. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. While metal roofs are efficient at its ability to resist heat transfer it is exposed and absorbs just as much heat as a shingle roof. After all you ll be making a significant and long term investment.

This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. By placing metal roofing over shingles you can save in the labor costs of ripping them off while also preventing them from being thrown into landfills. The layer can be installed over the existing shingles new roof decking or simply over open rafters. Add your insulation layer.

Technically there is no difference in the insulation value of a metal or shingle roof.