Installing Corrugated Roofing Over Shingles

But first here are a few precautions about the underlying material.

Installing corrugated roofing over shingles. 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. Before you begin installing the new shingles be sure to inspect the roof for any damage. Install a layer of roofing insulation as recommended by the roofing manufacturer. Hammer down any large nails that are exposed by the removal.

Or installing the new metal roofing over furring strips 1 x 3s or similar will raise the metal and provide a ventilating air pocket between layers. Damaged decking will need to be repaired before you can install any new shingles. Installation of metal roofing over shingles. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

Damaged shingles should be removed to check the decking for problems. If trapped between the metal roofing and old roofing moisture can build up and cause mold and rot. Installing steel roofing over existing roofing materials is fairly simple. Manufacturers will still.

Step 3 cover the old shingles. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Has the same manufacturer s warranty. Install a layer of roofing felt over the roof before you begin.

Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart. Installing metal roofing over shingles is the best solution. As long as it s done right and under the right conditions installing new shingles over old ones can last as long and look just as good as a complete re roof. Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.

Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents. Address any existing roof leaks and replace rotten rafters or. To install corrugated roofing start by cutting your panels to length with an angle grinder. Installing a new roof over shingles takes less time than tearing off the old roof.

Inspect the underlying roof sheathing for damage and make any needed repairs. We re going to break them down so you know what to look out for. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. But roofers can install a vented metal roof that eliminates this potential problem.

Looks just as good and lasts as long.