![]() There are some other mineral coatings added, as well. Tar and gravel roofs are made out of layers of sheets that are attached with hot tar and roofing felt. These roof types also reflect a significant amount of sunlight where it is not being absorbed by the solar panel, which leads to a cooling effect that can increase the efficiency of your system.įor homes that have a flat roof, it is very likely that they will be of the tar and gravel roof type (second from the right in the feature image). Metal roofs with standing seams can allow you to install both thin film and standard PV panels. They are often made out of recycled materials and are durable enough to last for over 30 years. Some of the other benefits of metal roofing are that, by itself, it is already more eco-friendly. You also do not have to drill any holes into your roof with this roof type. The standing seams on these roofs make the attachment of the panel array incredibly easy, and with easier installation comes a cheaper cost. Metal roofing with standing seams is one of the best roof material for the installation of solar panels. Here’s how a solar system looks on a tile roof: However, it may be harder to find an installer to work on a tile roof in the northern parts of the US where they are less common. Most installers, especially in warmer climates, are familiar with and comfortable working on tile roofs. The distance that the panels must be raised will be dependent on the material itself, and the cost is also affected based on what material the tiles are. When a solar panel array is installed on a tile roof, they will need to be attached to brackets that will lift the panels above the roof. For example, installing solar panels on clay tiles may be more expensive than installing on concrete tiles. The material type can impact the cost of your solar project. Tiles, themselves, can be made of different materials, and that is why it is important to accurately determine what materials your tiles are made out of before proceeding. Tile roofing is another very common roof type in the Western US that can be found in almost any neighborhood. ![]() Related Reading: How To Choose Solar Panels for Your Home Tile Even so, composite shingles are often considered the best material on which to install solar panels. If your composite roof is older than 15 years or starting to show major signs of wear, solar installers will likely recommend re-shingling before installing solar panels. Most come with a standard 30-year warranty, although they should only be expected to last 15-25, depending on conditions and care. Asphalt and other minerals are then added to the shingle to produce the final product.Ĭomposite shingles are often the most affordable roofing type and come in many colors. Pictured on the far left in the feature image above, composite shingles - aka asphalt shingles - are made from a fiberglass or cellulose mat. This reduces the need for specialized solar equipment and labor, and reduce your overall project costs. Because composite shingles are so common, this roof type offers the widest range of options for equipment and installers. This is the most common, and perhaps best, roof material on which to install solar panels. Best roof materials for solar Composite shingles In this article, we’ll review five different materials to see which one makes the best roof for solar panels. So that begs the question, what’s the best roof material for solar panels? However, there are certain materials on which solar panels can’t - or shouldn’t - be installed. Solar can be installed on just about any roof type. One of the first questions you’ll be asked in the process of going solar is, “What is your roof made of?”
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