Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available.
Diy metal roof over shingles.
However it is based upon experience with tens of thousands of installations over many years.
Whether you choose to go the do it yourself route or decide to hire a pro installing a new metal roof can be a sound and worthwhile investment in your home.
Alternatively a metal shingles roof can be installed over the old asphalt shingles if you do not want to tear it off provided there is only one layer of existing shingles on the roof.
Start at the highest point and the furthest point from the trash container and take off all the old.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed 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.
Consequently they don t have the same ventilation advantages.
Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once.
These systems aren t attached to a frame but instead install directly on the old roof.
Also don t go up on the roof if it s windy.
Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it.
Air pockets are indeed a great way to further insulate the roof.
Need a new roof.
If it s slightly windy keep the steel downwind from you so a gust of wind doesn t knock you over.
Metal roof over shingles condensation.
Here are some pros and cons.
Can you put metal roof over shingles.
I frequently am asked whether homeowners and contractors should remove roof shingles from a home s roof before a new metal roof is installed.
But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof.
Most codes now allow no more than two layers of roofing before.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
My answer often surprises people.
Provided the roof deck is in good shape installing an appropriate standing seam metal roofing such as batten seam over purlins is a viable way to install a new metal roof over the existing asphalt roof.
Otherwise you will need to remove the shingles.
Can you put metal roof over shingles.
Let s take a look at the most common types of metal roofs for houses.