Installing a metal roof over existing shingles is an excellent way to protect your home and save money. In most cases, it is possible to place a new metal roof over an existing tile roof without having to completely tear off the existing roof. Metal roofs are lightweight and come in large sheets, making them quick and easy to install. As long as you meet all the requirements of the local construction department, there is no need to remove the shingles before installing a metal roof.
Contrary to popular belief, metal roofs are not heavy or cumbersome. In fact, they are very beneficial because they are so lightweight. Additionally, they provide an extra layer that will cover your home, helping to further insulate it. When installing a metal roof over an asphalt roof, you won't have a chance to inspect the roof cover.
However, laying a roof on shingles can only be a problem if the roofing material is heavy enough to cause structural damage. To ensure that you get the best quality roof possible, it is always best to start with a clean roof and replace all the materials crucial to the roof. Installing metal on tile roofs will not only extend their lifespan, but it will also improve the lifespan of the shingles, which will be protected from the elements. A metal roof system with vertical stitching is a series of panels that are joined together at the joints or mechanically stitched.
For this type of installation, a new subfloor is sometimes installed before working on the metal roof. It is also important to place a subfloor and an anti-slip sheet before installing a metal roof on plywood. Wood shingles may be too thick to place metal roofs on top of them, as wooden shingles could warp the sheets. Caliber 29 is found on the thinnest end of metal roofs, so you can expect it to wear out sooner than caliber 24 or 26. Installing a metal roof over shingles can save you money because you don't need to remove the original shingles. However, costs aside, one of the benefits of removing the old roof is that it allows contractors to assess the condition of the roof structure.
To help you find the right roof for replacement, answer this free questionnaire about which roof is right for you. Expert roofers in Tampa have more experience evaluating your roof regardless of its condition.