How To Installing A Metal Roof Over Shingles

We get asked this question all the time.

How to installing a metal roof over shingles.

Install the metal edging. 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. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. 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.

Start at the highest point and the furthest point from the trash container and take off all the old shingles flashing vents and boots. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle 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. What s involved in how to install metal roofing.

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. Replace all these with the new metal roofing. Anatomy of a steel roof. Use 1 1 4 inch.

The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. The metal used for the roof can be tin copper aluminum or steel. Can i install a new metal roof over shingles.

Make a slat board base on top of the shingles. Put the steel down directly on a vapor barrier. Make sure roof is square. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. The low weight of metal roofing is one thing that encourages this. Install your metal edging around the perimeter of your roof. Most metal shingles will be attached to the roof using metal shingle.

Installing metal roofing over shingles is the best solution. How to install a metal roof over shingles. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.