How To Installing A Metal Roof Over Shingles

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

How to installing a metal roof over shingles.

Most metal shingles will be attached to the roof using metal shingle. Installing metal roofing over shingles is the best solution. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. 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.

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. The low weight of metal roofing is one thing that encourages this. Start at the highest point and the furthest point from the trash container and take off all the old shingles flashing vents and boots. 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.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Install your metal edging around the perimeter of your roof. The metal used for the roof can be tin copper aluminum or steel. Anatomy of a steel roof.

How to install a metal roof over shingles. Make sure roof is square. We get asked this question all the time. Install the metal edging.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Use 1 1 4 inch. What s involved in how to install metal roofing. Make a slat board base on top of the shingles.

Put the steel down directly on a vapor barrier. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Can i install a new metal roof over shingles. 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.