Metal Roof On House Over Shingles

Things to know about metal over shingle roof problems.

Metal roof on house over shingles.

After all you ll be making a significant and long term investment. Metal roof over shingles condensation. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins.

7 things to know before choosing a metal roof if your current roof is the root of your headache and maybe even a long list of costly home repairs consider these metal roofing pros and cons. Asphalt shingles are the most popular roofing material. Let s take a look at the most common types of metal roofs for houses. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it.

Both metal and shingle roofs are great options for your next roofing project. Also don t go up on the roof if it s windy. Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. You will also need a large garbage can a jigsaw or power metal shear a staple gun a drill and assorted drill bits 1 inch roofing nails metal roofing screws and self drilling self sealing wood screws.

Otherwise you will need to remove the shingles. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Fiberglass core or matting an asphalt coating and a ceramic or stone granule surface give this material its durability. You will most likely have to order the roofing metal in the amount and color specific to your house. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath.