Putting Metal Roof Over Shingles
The second way to install a metal roof over a shingle roof is with the use of purlins or battens.
Putting metal roof over shingles. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. Can i install a new metal roof over shingles. This method has its benefits as well.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over 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.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Let s take a look at the most common types of metal roofs for houses. 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. Metal roofs have increasingly become a more popular option for homeowners due to their reputation for longevity and curb appeal.
Covering your existing asphalt shingles with metal roofing might be worth the expense. Most codes now allow no more than two layers of roofing before. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. Need a new roof.
Otherwise you will need to remove the shingles. Here are some pros and cons. But now that i said that i would tell you that if it was my house i probably would and the reason is i don t want to have all those old shingles under the roof. Well that s why the metal roof is such like an eco friendly product because you don t have to get rid of all of that stuff to the landfills.