Consequently they don t have the same ventilation advantages.
Diy metal roof over shingles.
Start at the highest point and the furthest point from the trash container and take off all the old.
Otherwise you will need to remove the shingles.
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.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.
Let s take a look at the most common types of metal roofs for houses.
Can you put metal roof over shingles.
But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof.
Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.
Covering your existing asphalt shingles with metal roofing might be worth the expense.
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.
Can you put metal roof over shingles.
If it s slightly windy keep the steel downwind from you so a gust of wind doesn t knock you over.
Need a new roof.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
These systems aren t attached to a frame but instead install directly on the old roof.
Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once.
Also don t go up on the roof if it s windy.
I frequently am asked whether homeowners and contractors should remove roof shingles from a home s roof before a new metal roof is installed.
Metal roof over shingles condensation.
However it is based upon experience with tens of thousands of installations over many years.
Air pockets are indeed a great way to further insulate the roof.
My answer often surprises people.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
Most codes now allow no more than two layers of roofing before.