How To Put A Metal Roof On A Shingle Roof

What s involved in how to install metal roofing.

How to put a metal roof on a shingle roof. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Put the steel down directly on a vapor barrier.

To vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Metal roofing is also available in the form of shingles. Anatomy of a steel roof.

1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.

Move from bottom to top. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. Make a slat board base on top of the shingles.