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  2. Vinyl siding - Wikipedia

    en.wikipedia.org/wiki/Vinyl_siding

    Thicker grades of vinyl siding may, according to some, exhibit more resistance to the most common complaint about vinyl siding – its tendency to crack in very cold weather when it is struck or bumped by a hard object while others feel that a thinner product may allow more 'flex before cracking' and is a subject of debate. However, at "This ...

  3. Vinyl polymer - Wikipedia

    en.wikipedia.org/wiki/Vinyl_polymer

    Vinyl polymers are subject of several structural variations, which greatly expands the range of polymers and their applications. With the exception of polyethylene, vinyl polymers can arise from head-to-tail linking of monomers, head-to-head combined with tail-to-tail, or a mixture of those two patterns. Additionally the substituted carbon center in such polymers is stereogenic (a "chiral center")

  4. Calender - Wikipedia

    en.wikipedia.org/wiki/Calender

    A calender is employed, usually to smooth, coat, or thin a material. With textiles, fabric is passed under rollers at high temperatures and pressures. Calendering is used on fabrics such as moire to produce its watered effect and also on cambric and some types of sateens. Various man-made fabrics made from synthetic materials are also calendered.

  5. Quantity take-off - Wikipedia

    en.wikipedia.org/wiki/Quantity_take-off

    Quantity take-offs (QTO) are a detailed measurement of materials and labor needed to complete a construction project. They are developed by an estimator during the pre-construction phase. This process includes breaking the project down into smaller and more manageable units that are easier to measure or estimate.

  6. Siding (construction) - Wikipedia

    en.wikipedia.org/wiki/Siding_(construction)

    However, newer vinyl options have improved and resist damage and wear better. Vinyl siding is sensitive to direct heat from grills, barbecues or other sources. Unlike wood, vinyl siding does not provide additional insulation for the building, unless an insulation material (e.g., foam) has been added to the product.

  7. Polyvinyl chloride - Wikipedia

    en.wikipedia.org/wiki/Polyvinyl_chloride

    Vinyl gloves. Plasticized PVC is a common material for medical gloves. Due to vinyl gloves having less flexibility and elasticity, several guidelines recommend either latex or nitrile gloves for clinical care and procedures that require manual dexterity or that involve patient contact for more than a brief period. Vinyl gloves show poor ...