Metal Roof Installation Instructions Over Shingles

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

Metal roof installation instructions over shingles.

If you come across any large nails that are sticking out either remove them and put them in your debris container or. Grand rib 3 style roofing can be applied over existing shingles provided the integrity of the roof decking and framing has been checked by a qualified party. 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. In terms of aesthetics you need to be careful in terms of choosing your metal roof solution so that it will blend into your surrounding neighborhood.

What s involved in how to install metal roofing. Yes you can install a metal roof over shingles. The use of underlayment between the shingles and metal roof panels is a standard practice. Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of 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. Experts recommend that you work diagonally and raising each row of shingles gradually. You should start your metal shingles installation with half a shingle or in accordance with your metal shingles installation manual which should be system specific starting from the left of the starter flashing or gable. However you ll want to check with your local building department before you make any decisions.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Make sure roof is square.

Can i install a new metal roof over shingles. Also if the existing shingles on top are not level or in very poor condition you may need to put a layer of roofing felt down or wooden frame over the shingles before installing the new metal roof. Anatomy of a steel roof. Start at the highest point and the furthest point from the trash container and take off all the old shingles flashing.

Give our friendly sales staff a call if you have any questions. Most metal shingles will be attached to the roof using metal shingle.