How To Installing A Metal Roof Over Shingles

The metal used for the roof can be tin copper aluminum or steel.

How to installing a metal roof over shingles.

A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new 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. Make a slat board base on top of the shingles. Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Use 1 1 4 inch. Replace all these with the new metal roofing. We get asked this question all the time.

What s involved in how to install metal roofing. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. 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.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. The low weight of metal roofing is one thing that encourages this. Install the metal edging.

Install your metal edging around the perimeter of your roof. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Most metal shingles will be attached to the roof using metal shingle. Make sure roof is square.

Start at the highest point and the furthest point from the trash container and take off all the old shingles flashing vents and boots. In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles. Anatomy of a steel roof. Put the steel down directly on a vapor barrier.

Installing metal roofing over shingles is the best solution. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.