How To Install Metal Roofing On Shingles

Metal roof over shingles condensation.

How to install metal roofing on shingles.

You will also need to invest in some specialty tools to help you get the job done. Experts recommend that you work diagonally and raising each row of shingles gradually. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. What s involved in how to install metal roofing. Anatomy of a steel roof. Metal roofing is much more difficult to install than asphalt shingles.

If you don t know how to cut metal roofing panels you can warp them or damage the protective coating that prevents rust. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Install metal panels or shingles align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line. Install the roofing screws vertically along each rib in the panel.

Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. Put the steel down directly on a vapor barrier.