Proper Way To Install Metal Roof Over Shingles

After all you ll be making a significant and long term investment.

Proper way to install metal roof over shingles.

Step 1 make a slat board base on top of the shingles. Use your neoprene washer head screws to secure the metal to the sheathing. Step 4 install edging. Step 5 install metal.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Laying steel roofing over shingles the right way. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

Step 3 install slat board. My answer often surprises people. Things to know about metal over shingle roof problems. Most metal shingles will be attached to the roof using metal shingle.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. I frequently am asked whether homeowners and contractors should remove roof shingles from a home s roof before a new metal roof is installed. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Step 2 measure roof.

Metal roofing is very slippery when wet. Step 1 work safely. Otherwise you will need to remove the shingles. 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.

A layer of underlayment installed on top of the existing shingles will help keep the granules of the old shingles from rubbing against the back of the metal and causing possible corrosion. 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. Both metal and shingle roofs are great options for your next roofing project. However it is based upon experience with tens of thousands of installations over many years.

Yes you can install a metal roof over shingles. Brace your extension ladder. However you ll want to check with your local building department before you make any decisions. Choose a day with calm weather to work on the roof.

If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Space the screws about 12 in 30 cm apart.