How To Install Corrugated Roofing Over Shingles

Install your metal edging around the perimeter of your roof.

How to install corrugated roofing over shingles. Rip cut the starter strip or starter pieces so that they butt up against the second course of existing shingles and are even with the front edge of the existing roofing. Use 1 1 4 inch. Cut the panels to the desired length. Screw the metal sheets into the slat board with a wood screw every 2 feet along the edges.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. 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. The metal used for the roof can be tin copper aluminum or steel. Attach with nails along the top edge of the strip.

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. Most panels come up to 32 feet 9 8 m in length. Install the metal edging. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Screw the first sheet in the center as well as the edges. Pre drill holes on the ridges. This is by far the most common way to install a metal roof. Most metal shingles will be attached to the roof using metal shingle.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Use tin shears to cut gaps for pipes and exhaust vents. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Overlap the rises and dips if using corrugated sheets or lay flat sheeting with a slight vertical overlap.

Installing corrugated roofing 1. Make a slat board base on top of the shingles. If yours do not then you will need to drill holes. 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.

Allow for a minimum of 18. Some panels have pre drilled holes. How to install a metal roof over shingles. Installing metal roofing over shingles is the best solution.

In this video we provide details on how to install roof shingles over existing shingles. We discuss the nesting method which helps minimize an uneven appear.