Installing Steel Roof Over Shingles Step By Step

Lay down roofing felt over the entire roof.

Installing steel roof over shingles step by step.

Get a precise measurement of your roof surface. 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. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

What s involved in how to install metal roofing. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Make sure roof is square. Your goal with the roofing felt is to make sure everything is as.

This is by far the most common way to install a metal roof. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. However you ll want to check with your local building department before you make any decisions. 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. Yes you can install a metal roof over shingles. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Find the best way possible to get to the roof with the tar paper.

Start putting the metal panels. Step by step guide step 1. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. Most metal shingles will be attached to the roof using metal shingle.

Anatomy of a steel roof.