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  2. Cinder track - Wikipedia

    en.wikipedia.org/wiki/Cinder_track

    A cinder track is a type of race track, generally purposed for track and field or horse racing, whose surface is composed of cinders. For running tracks, many cinder surfaces have been replaced by all-weather synthetic surfaces, which provide greater durability and more consistent results, and are less stressful on runners. The impact on ...

  3. List of commercially available roofing materials - Wikipedia

    en.wikipedia.org/wiki/List_of_commercially...

    Depending on the size of the roof and the experience of the crew, it is possible to remove old shingles and apply new ones on 2-3 houses in one day. Life span varies. Use only on slanted roofs. [4] Rubber shingle, an alternative to asphalt shingle, slate, shake or tile. Made primarily of rubber, often recycled tire-derived rubber.

  4. Structural clay tile - Wikipedia

    en.wikipedia.org/wiki/Structural_clay_tile

    Tile was also manufactured in a series of graduated wedge shapes for installation between steel members as a fireproof flat arch floor structure, to be covered with a concrete wearing surface above. In other cases, structural clay tile was used as a permanent form material to reduce the bulk and weight of structural concrete floor slabs.

  5. What is the Churchill Downs track made of? Here's how they ...

    www.aol.com/churchill-downs-track-made-heres...

    There are three big mounds of dirt on the backside at Churchill Downs that are carefully mixed to create the racetrack surface. Here's how they do it.

  6. Metal roof - Wikipedia

    en.wikipedia.org/wiki/Metal_roof

    Metal roofs are 100% recyclable and can be made from other recycled products. Asphalt shingles are petroleum based with other chemicals making their recycling process more toxic, most shingles are not recycled and 20 billion pounds (9.1 million tonnes) are sent to landfills every year and take hundreds of years to decompose.

  7. Roof tiles - Wikipedia

    en.wikipedia.org/wiki/Roof_tiles

    Roof tiles are overlapping tiles designed mainly to keep out precipitation such as rain or snow, and are traditionally made from locally available materials such as clay or slate. Later tiles have been made from materials such as concrete , glass , and plastic .

  8. Cement board - Wikipedia

    en.wikipedia.org/wiki/Cement_board

    This 5 ⁄ 16 inch (7.9 mm) thick cement board is designed as an underlayment for tile floors. These are 3-by-5-foot (91 by 152 cm) sheets. These are 3-by-5-foot (91 by 152 cm) sheets. A cement board is a combination of cement and reinforcing fibers formed into sheets, of varying thickness that are typically used as a tile backing board. [ 1 ]

  9. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!