How To Lay Metal Roofing Over Shingles

As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

How to lay metal roofing over shingles.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Remove the old roofing. 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.

We get asked this question all the time. What s involved in how to install metal roofing. Covering your existing asphalt shingles with metal roofing might be worth the expense. 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.

Here are some pros and cons. However you ll want to check with your local building department before you make any decisions. Anatomy of a steel roof. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once.

This is by far the most common way to install a metal roof. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Metal roofing is also available in the form of 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. Can i install a new metal roof over shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. How to install a metal roof over shingles what to consider when putting a steel roof over asphalt shingles.

Need a new roof. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.