How To Steel Roof Over Shingles

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.

How to steel roof over shingles. Other areas will allow you to re roof over two layers. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.

Yes you can install a metal roof over shingles. In contrast steel shingles are. If you don t want to take our word for it check with your local building department. A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof.

For instance decking isn t suitable for a third replacement regardless of condition so a third installation with the same decking won t be structurally sound. Asphalt shingles can weigh up to four pounds per square foot depending on the brand. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

Anatomy of a steel roof. However you ll want to check with your local building department before you make any decisions. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. However before you decide on reroofing with a metal roof you have to keep in mind that there are specific conditions that make reroofing with a metal roof safe. Make sure roof is square. 1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof.

Otherwise you will need to remove the shingles.