How To Install Metal Roof Over Shingles

Anatomy of a steel roof.

How to install metal roof over shingles.

Can i install a new metal roof over shingles. Use 1 1 4 inch. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Screw the metal sheets into the slat board with a wood screw every 2 feet along the edges.

For exposed fasteners avoid over tightening the fastener. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Install your metal edging around the perimeter of your roof. Install the metal edging.

Overlap the rises and dips if using corrugated sheets or lay flat sheeting with a slight vertical overlap. 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. The metal used for the roof can be tin copper aluminum or steel.

Use your neoprene washer head screws to secure the metal to the sheathing. Installing metal roofing over shingles is the best solution. In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

Make a slat board base on top of the shingles. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. What s involved in how to install metal roofing. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.

Both metal and shingle roofs are great options for your next roofing project. 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. Space the screws about 12 in 30 cm apart. Make sure roof is square.

Begin laying the metal sheets from the bottom to the top of the roof. After all you ll be making a significant and long term investment. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Things to know about metal over shingle roof problems.

Yes you can. Most metal shingles will be attached to the roof using metal shingle.