Metal Roof On Top Of Shingles

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.

Metal roof on top of shingles.

Install metal roofing sheets. Adding additional layers of insulation can solve this problem but it will increase installation costs. Place a sheet from top to bottom on a section of the roof. Metal roofs generally can run from 120 to 900 per 100 square feet one 10 foot by 10 foot area or a square of material while asphalt shingles will be between 100 and 200 per 100.

The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacture has testing for their roofing panels and then the metal is installed to the purlins. Use 1 4 inch metal wood screws to attach the metal sheets to the wood slat board base. Common problems with shingle roofs. Choosing to install a metal roof this way can save you some dough and garner all of the benefits of a metal roof in the humid climate of florida.

Metal roofing sheets have to be installed one at a time. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Unlike most roofing materials metal roofs can be noisy especially when it rains or hails. This is by far the most common way to install a metal 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. This can be a nuisance for homeowners. Asphalt shingles are the most popular roofing material.

A shingle style roof is the most popular choice. 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.