Diy Metal Roof Over Shingles

The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacture has testing for their roofing panels and then the metal is installed to the purlins.

Diy metal roof over shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. This method has its benefits as well. If you come across any large nails that are sticking out either remove them and put them in your debris container or.

Metal roofing weighs less than one pound per square foot. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. If you need to reposition your gutters do so at this. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Metal roofing is also available in the form of shingles.

Asphalt shingles can weigh up to four pounds per square foot depending on the brand. Start at the highest point and the furthest point from the trash container and take off all the old shingles flashing. The low weight of metal roofing is one thing that encourages this. Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles.

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. Metal is the best choice due to its very low weight per square foot and its unique design. However you ll want to check with your local building department before you make any decisions. In a new construction metal shingle roofing can be installed over any type of solid sheeting such as plywood or wooden planks boards that do not have spaces in between them.

Otherwise you will need to remove the shingles. Yes you can install a metal roof over shingles.