Installing Steel Roof Over Shingles Step By Step

Starting at the bottom or at one end of the roof lay the felt across the entire length and then work your way to the top or center with over laying sheets and as you overlay use the nails to pin this down.

Installing steel roof over shingles step by step. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Steel roofing can be costly but it is a lifetime investment. Then cover the entire roof with a layer of insulation and secure it with a staple gun. Yes you can install a metal roof over shingles.

Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. Installing steel roofing over existing roofing materials is fairly simple. Steel roofing offers many benefits over slate tiles or asphalt shingles. Galvanized steel which is created by using a soft layer of zinc to protect the inner layers is the most common type of steel roofing.

Next use 1 inch nails to secure some metal edging to the perimeter of the roof. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Anatomy of a steel roof. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Metal roofing is resistant to fire rot and termites. What s involved in how to install metal roofing. Use furring strips to build a slat board on the roof then mount the steel. 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. Noise is usually not a factor if you are installing a steel roof over asphalt. Manufacturers provide 30 year warranties on metal roofing products. Make sure roof is square.

Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. However you ll want to check with your local building department before you make any decisions.

Otherwise you will need to remove the shingles.