How To Lay Metal Roofing Over Shingles

Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.

How to lay metal roofing over shingles.

Covering your existing asphalt shingles with metal roofing might be worth the expense. This is by far the most common way to install a metal roof. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. 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. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Can i install a new metal roof over shingles. 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. Remove the old roofing. 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. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Here are some pros and cons. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.

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. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. We get asked this question all the time. Otherwise you will need to remove the shingles.

Yes you can install a metal roof over shingles. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

What s involved in how to install metal roofing. Anatomy of a steel roof. How to install a metal roof over shingles what to consider when putting a steel roof over asphalt shingles. However you ll want to check with your local building department before you make any decisions.