How To Lay Metal Roofing Over Shingles

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

How to lay metal roofing over 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. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. What s involved in how to install metal roofing. 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.

Need a new roof. We get asked this question all the time. However you ll want to check with your local building department before you make any decisions. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. Anatomy of a steel roof. How to install a metal roof over shingles what to consider when putting a steel roof over asphalt shingles. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Metal roofing is also available in the form of shingles. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof. Before you reshingle a roof read our step by step guide for adding new shingles over old ones.

Here are some pros and cons. Can i install a new metal roof over shingles. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Yes you can install a metal roof over shingles. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. This is by far the most common way to install a metal roof. Remove the old roofing. Otherwise you will need to remove the shingles.