How To Install Metal Roofing Over Shingles Step By Step

Otherwise you will need to remove the shingles.
How to install metal roofing 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. If your roof is stripped down to the bare plywood you can skip this step. Step 3 install slat board. Step 4 install edging.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Install the slat board as described above. Find the best way possible to get to the roof with the tar paper. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Before you install metal roofing repair any damage to the wood under the shingles. Because a metal roof can easily bend and become dented when you walk on it you ll need to add a series of 1 3 spacers onto the existing shingle roof. Anatomy of a steel roof. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Next use 1 inch nails to secure some metal edging to the perimeter of the roof. What s involved in how to install metal roofing. Installing a metal roof over shingles is costly subject to the conditions of the existing shingles and does not provide a perfectly flat surface for the metal roofing to be installed.
3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof. Secure them to the roof with wood screws at every 4 to 6 inches. Bend the metal edging to your needs if necessary and fasten it to the roof with nails at every 4 to 6 inches. Using ring shank 8d nails attach the 1 3 s into the shingles every 4 6 inches.
This is by far the most common way to install a metal roof. This is not a complete install only basic install on a bungalow i. 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. Step 5 install metal sheets.
The furring strips are 1x4 pine boards.