Metal tiles, shown in the photo below, can be mistaken for concrete or clay tile from a distance, although it’s unlikely that you’ll see concrete or clay tiles bend.ĭamage from footfall is most likely to be found on parts of the roof offering the easiest path of travel, such as the valleys. You should recommend that it be installed, and explain why.īirdstop trim may be provided by the manufacturer to fit the tile profile, as in the photo above, or it may be created with mortar, as in the photo below. A missing birdstop should be mentioned in your inspection report. Birdstops also help to prevent the wind from entering the space and loosening tiles through inflation. Medium- and high-profile tiles should have a stop installed along the eave beneath the starter course that will help keep birds and insects from entering the space under the tile. ![]() Courses alternate the edges up and down.įlat tiles in the same course sometimes butt each other, as in the photo above. Pan tiles are installed in courses oriented vertically, up and down the roof, with upper tiles overlapping lower tiles. Pan tiles are half-cylinders, as you see here. Overlapping tiles may be pan tiles with a two-piece pan and cover, or may be flat tiles. Interlocking tiles are typically low- or medium-profile. Interlocking tiles are manufactured with edge profiles that fit together to keep tiles aligned and to help seal against moisture intrusion. Tiles in the same course may overlap, such as barrel tiles, or they may interlock, such as S-tiles, or they may butt, such as flat clay tiles. Tiles are installed in the same manner as shingles, with each course overlapping the course below. High-profile tiles are typically barrel tiles. Medium-profile tiles may be shallow clay-pan tiles or S-shaped tiles. Low-profile tiles are flat or close to flat. ![]() Generally, profiles are categorized as low, medium and high. Tiles come in a variety of profiles and styles. Tiles are also available that are made from metal and recycled plastic. In the past, tiles were also made from fiber cement, but those are seldom manufactured now due to legislation that was enacted to limit the use of asbestos in products used in North America. The most common materials for roofing tiles are clay and concrete.
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