How To Install Lowes Roofing Metal Over Shingles
Common types of metal roofing.
How to install lowes roofing metal over shingles. What s involved in how to install metal roofing. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Install metal roofing sheets. Things to know about metal over shingle roof problems.
Place a sheet from top to bottom on a section of the roof. We get asked this question all the time. Installing a metal roof over shingles can also result in an increased chance of trapped water vapor and moisture between the new roof and old roof resulting in new mold and rot. They re easy to install by interlocking the panels and fastening them directly to the roof sheathing.
Apply the metal drip edge over the underlayment at the rake. Overlap successive courses by 2 inches. Corrugated roof panels are made of interlocking metal sheets shaped into repeating waves or ridges. 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 you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Check out our roofing buying guide for this information plus helpful education on roofing maintenance and on roofing types including metal roofing slate shingles wood shingles and more. By removing the old roof before the new roof s installation you are able to give the underlayment a thorough inspection to ensure there are no damages that could. Use only enough fasteners to hold it in place.
The fasteners for a corrugated roof are exposed to the elements causing them to wear over time. Use 1 4 inch metal wood screws to attach the metal sheets to the wood slat board base. Anatomy of a steel roof. After all you ll be making a significant and long term investment.
Side laps should be staggered 6 feet apart. Can i install a new metal roof over shingles. Overlap course ends by 4 inches. This is by far the most common way to install a metal roof.
This is not a complete install only basic install on a bungalow i. Both metal and shingle roofs are great options for your next roofing project. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. In this video i m installing some metal roofing over an existing ash fault shingled roof.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. To simplify product selection and get a quote schedule a free consultation online and we ll call you to get the details of your project.