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2. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   Replacing the roofing felt on a Scout hall in Wales. Bituminous waterproofing systems are designed to protect residential and commercial buildings.Bitumen (asphalt or coal-tar pitch) is a material made up of organic liquids that are highly sticky, viscous, and waterproof. [1]

3. Bitumen - Wikipedia

   en.wikipedia.org/wiki/Bitumen

   Worldwide, geologists tend to favor the term bitumen for the naturally occurring material. For the manufactured material, which is a refined residue from the distillation process of selected crude oils, bitumen is the prevalent term in much of the world; however, in American English, asphalt is more commonly used. To help avoid confusion, the ...

4. Waterproofing - Wikipedia

   en.wikipedia.org/wiki/Waterproofing

   The roof covering materials, siding, foundations, and all of the various penetrations through these surfaces must be water-resistant and sometimes waterproof. Roofing materials are generally designed to be water-resistant and shed water from a sloping roof, but in some conditions, such as ice damming and on flat roofs, the roofing must be ...

5. Membrane roofing - Wikipedia

   en.wikipedia.org/wiki/Membrane_roofing

   These application types of membrane roofing show distinct advantages over the previously more common flat roofing method of asphalt and gravel (commonly referred to as built-up-roofs or "BUR"). In asphalt and gravel application, it can be very difficult to create a proper seal at all seams and connection points. This can cause a roof to leak ...

6. Roof coating - Wikipedia

   en.wikipedia.org/wiki/Roof_coating

   Roof coatings can add 25 years to the service life of a roof and reduce the amount of discarded roofing materials that end up in landfills. The infrared image on the right shows 79 °C (174 °F) on the uncoated (black) section of the modified bitumen roof. The coated (white) section is 26 °C (79 °F).

7. Bituminous geomembrane - Wikipedia

   en.wikipedia.org/wiki/Bituminous_geomembrane

   Bituminous geomembrane (BGM) is a type of geomembrane consisting of a reinforcing geotextile to provide mechanical strength and elastomeric bitumen (often called asphalt in U.S.) to provide impermeability. Other components such as sand, a glass fleece, and/or a polyester film can be incorporated into the layers of a BGM. [1]

8. Tax Brackets vs. Flat Tax Structure: Pros and Cons - AOL

   www.aol.com/finance/tax-brackets-vs-flat-tax...

   Pros and Cons of Using Tax Brackets The ongoing debate about progressive vs. flat taxes isn’t likely to end, as what some view as a pro for a certain system is seen as a con by those on the ...

9. List of commercially available roofing materials - Wikipedia

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

   Concrete roofing is composed of concrete reinforced with fibers of some sort. Structural concrete can also be used for flat roof constructions. There are three main categories, precast/prestressed, cast-in-place and shell. There are many types of precast/prestressed concrete roofing. The following are the most common types. [9]