Proper Way To Install Metal Roof Over Shingles

This method has its benefits as well.

Proper way to install metal roof over shingles. Step 1 make a slat board base on top of the shingles. The industry standard for underlayment is often thought of as felt paper tar paper but there are also many newer synthetic underlayments that are designed to work well with metal roofing. Step 5 install metal. 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.

Metal roofing is very slippery when wet. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Step 3 install slat board. Yes you can install a metal roof over shingles.

The edging or eave flashing consists of metal strips that are used to cover the perimeter of the roof. Use your 1 1 4. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Take your first sheet of.

Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. How to install a metal roof over shingles with proper tools steel roofs can be noisy and unattractive in residential settings. Choose a day with calm weather to work on the roof.

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. However if the steel roof is installed over an existing asphalt roof noise shouldn t be a problem. Always begin working at the point with the longest peak to eave distance. Add the metal panels.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Laying steel roofing over shingles the right way. Otherwise you will need to remove the shingles. Step 2 measure roof.

However you ll want to check with your local building department before you make any decisions. Step 4 install edging. 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. Most metal shingles will be attached to the roof using metal shingle.

Step 1 work safely. It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow.