Installing Steel Roof Over Shingles Step By Step

What s involved in how to install metal roofing.

Installing steel roof over shingles step by step.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Step by step guide step 1. Yes you can install a metal roof over shingles.

Getting an accurate measurement will help you determine the. Make sure roof is square. Anatomy of a steel roof. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

Get a precise measurement of your roof surface. Find the best way possible to get to the roof with the tar paper. 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. 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.

Otherwise you will need to remove the shingles. 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. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Start putting the metal panels. This is by far the most common way to install a metal roof. Lay down roofing felt over the entire roof. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Your goal with the roofing felt is to make sure everything is as.