Can you install a metal roof over shingles. These systems arent attached to a frame but instead install directly on the old roof. Briefly i want to install metal shingle roof over two layers of old aspalt shingles on my cottage. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Installing metal roof over shingles. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. These slats of wood run perpendicular to the metal roofing itself.
Tens of thousands of metal roofs have been done this way with no problems. 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. On this forum from angies list this person has a strong opinion in favor of metal over asphalt shingles.
When choosing to install a metal roof homeowners need to take into account several trade offs involving cost and performance. Roof slope is 312 and there is no attic. Yes you can install a new metal roof over the top of an existing asphalt shingle roof provided there are not too many layers.
One big advantage to metal roofing is its light weight which means metal roofing can be installed over an existing shingle roof. But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof. Would it make sense to add foam insulation between old roof and new metal shingles to keep house cooler in a summer.
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. In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles. The metal used for the roof can be tin copper aluminum or steel.
Can you put metal roof over shingles. However there are some things that you will want to check out before doing it this way. Can you put metal roof over shingles.
Installing metal roofing over shingles is the best solution. One question we are often asked is can you install metal roofing over shingles. A common installation tactic for adding metal roof over shingles is to add small slats of wood and secure those slats of wood to the roof decking.
Consequently they dont have the same ventilation advantages.