How To Put Metal Roof Over Shingles

Cost to install metal roof over shingles.

How to put metal roof over shingles.

Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow.

Can i install a new metal roof over shingles. Make a slat board base on top of the shingles. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. What s involved in how to install metal roofing. 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. Unlike a shingle roof metal roofing systems use screws and fasteners to stay in place.

Installing metal roofing over shingles is the best solution. Most metal shingles will be attached to the roof using metal shingle. Premium screws which are threaded to hold the metal panels to the decking can cost up to 750 alone. Anatomy of a steel roof.

Make sure roof is square. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. There s already plenty of advantages by choosing a metal roof and there s even more when you decide to put a metal roof over shingles. Metal roofs have increasingly become a more popular option for homeowners due to their reputation for longevity and curb appeal.

Advantages of metal roofs in general. The metal used for the roof can be tin copper aluminum or steel. Move from bottom to top. 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.

When choosing to install a metal roof homeowners need to. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.