How To Install Corrugated Roofing Over Shingles

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How to install corrugated roofing over shingles.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Overlap the rises and dips if using corrugated sheets or lay flat sheeting with a slight vertical overlap. Install the metal edging. Make a slat board base on top of the shingles.

This is by far the most common way to install a metal roof. Cut the panels to the desired length. The metal used for the roof can be tin copper aluminum or steel. Attach with nails along the top edge of the strip.

Some panels have pre drilled holes. Install your metal edging around the perimeter of your roof. Installing corrugated roofing 1. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

We discuss the nesting method which helps minimize an uneven appear. Most metal shingles will be attached to the roof using metal shingle. In this video we provide details on how to install roof shingles over existing shingles. Use 1 1 4 inch.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. 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. Pre drill holes on the ridges. How to install a metal roof over shingles.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. 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. Step 6 install trim. 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.

If yours do not then you will need to drill holes. Screw the metal sheets into the slat board with a wood screw every 2 feet along the edges. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Most panels come up to 32 feet 9 8 m in length.

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.