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.

Attach them to your roof with 3 inch wood screws in each corner. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. 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. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Make a slat board base on top of the shingles. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Metal roof over shingles condensation metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. Metal roofing is also available in the form of shingles.

To vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. Put the steel down directly on a vapor barrier. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same.