enow.com Web Search

  1. Ads

    related to: effect of overmolding on polycarbonate roofing shingles
    • Gutter Pros

      Find a pro for your project.

      Get a free quote today!

    • Local Roofing Pros

      Enter your zip & find nearby pros

      that are the best fit for you.

Search results

  1. Results from the WOW.Com Content Network
  2. Polymer degradation - Wikipedia

    en.wikipedia.org/wiki/Polymer_degradation

    Polymer degradation is the reduction in the physical properties of a polymer, such as strength, caused by changes in its chemical composition.Polymers and particularly plastics are subject to degradation at all stages of their product life cycle, including during their initial processing, use, disposal into the environment and recycling. [1]

  3. Roof shingle - Wikipedia

    en.wikipedia.org/wiki/Roof_shingle

    An asphalt shingle roof has flexible asphalt shingles as the ridge cap. Some roof shingles are non-combustible or have a better fire rating than others which influence their use, some building codes do not allow the use of shingles with less than a class-A fire rating to be used on some types of buildings. Due to increased fire hazard, wood ...

  4. List of commercially available roofing materials - Wikipedia

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

    Cheaper than slate or tiles. The reduced cost of this particular style of roofing is especially apparent in its application and removal. Installation is very streamlined and a rapid process. 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.

  5. Thermal degradation of polymers - Wikipedia

    en.wikipedia.org/wiki/Thermal_degradation_of...

    Under thermal effect, the end of polymer chain departs, and forms low free radical which has low activity. Then according to the chain reaction mechanism, the polymer loses the monomer one by one. However, the molecular chain doesn't change a lot in a short time.

  6. Asphalt shingle - Wikipedia

    en.wikipedia.org/wiki/Asphalt_shingle

    Asphalt shingles on a home in Avalon, New Jersey. Two types of base materials are used to make asphalt shingles, organic and fiberglass.Both are made in a similar manner, with an asphalt-saturated base covered on one or both sides with asphalt or modified-asphalt, the exposed surface impregnated with slate, schist, quartz, vitrified brick, stone, [6] or ceramic granules, and the under-side ...

  7. Crazing - Wikipedia

    en.wikipedia.org/wiki/Crazing

    Considering that polymers have a viscoelastic behaviour an effect of loading rates and temperatures on shear yield stress and on crazing yield is observed. [ 59 ] [ 60 ] When the loading conditions ( T , ϵ ˙ {\displaystyle T,{\dot {\epsilon }}} ) are such that the tensile stress for shear yielding is lower than the crazing stress no crazing ...

  8. Roof cleaning - Wikipedia

    en.wikipedia.org/wiki/Roof_cleaning

    The roof cleaning of fiberglass shingles Streaking on a roof Roof cleaning being performed using a soft-wash system. Roof cleaning is the process of removing algae, [1] mold, mildew, lichen and moss from roofs. [2] Also cleaning oxidation on metal roofs. Cleaning can extend the duration of a roof's ability to function. [2]

  9. Roof coating - Wikipedia

    en.wikipedia.org/wiki/Roof_coating

    A 35 °C (95 °F) heat reduction was observed on this modified bitumen roof with a white, reflective roof coating. Roof coatings are seamless and when installed correctly, can solve roof leaks on almost any type of roofing material. There are exceptions: "professionals do not recommend using cool coatings over existing shingles.

  1. Ads

    related to: effect of overmolding on polycarbonate roofing shingles