Metal Roof Over Shingles Insulation

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Metal roof over shingles insulation.

Asphalt shingles can weigh up to four pounds per square foot depending on the brand. 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. This is by far the most common way to install a metal roof. After all you ll be making a significant and long term investment.

Things to know about metal over shingle roof problems. Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it. Metal roofing weighs less than one pound per square foot. In this video i cover measuring the roof figuring the metal th.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. 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. Disadvantages of metal roofs. Advantages of metal roofs over shingles.

This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. Shingle roofs weight twice as much as a metal roof which means that it accumulates twice as much heat. This helps to block moisture from getting trapped between the metal roof and the sheathing. No matter it is an office or a home a layer of metal roof insulation will give you a lot of benefits.

Metal is the best choice due to its very low weight per square foot and its unique design. If you don t want to take our word for it check with your local building department. Both metal and shingle roofs are great options for your next roofing project. 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.

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. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.

Metal roofing is also available in the form of shingles.