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2. Waterproofing - Wikipedia

   en.wikipedia.org/wiki/Waterproofing

   Masonry walls are built with a damp-proof course to prevent rising damp, and the concrete in foundations needs to be damp-proofed or waterproofed with a liquid coating, basement waterproofing membrane (even under the concrete slab floor where polyethylene sheeting is commonly used), or an additive to the concrete. Within the waterproofing ...

3. Damp proofing - Wikipedia

   en.wikipedia.org/wiki/Damp_proofing

   A DPC layer is usually laid below all masonry walls, regardless if the wall is a load bearing wall or a partition wall. A damp-proof membrane (DPM) is a membrane material applied to prevent moisture transmission. A common example is polyethylene sheeting laid under a concrete slab to prevent the concrete from gaining moisture through capillary ...

4. Heidelberg Materials - Wikipedia

   en.wikipedia.org/wiki/Heidelberg_Materials

   This acquisition made HeidelbergCement the number one producer of construction aggregates, the second-largest in cement and the third-largest in ready-mixed concrete worldwide. In the 2020 Forbes Global 2000 , HeidelbergCement was ranked as the 678th -largest public company in the world.

5. Pitch (resin) - Wikipedia

   en.wikipedia.org/wiki/Pitch_(resin)

   Other important historic uses included coating earthenware vessels for the preservation of wine, waterproofing wooden containers, and making torches. It was also used to make patent fuel from coal slack around the turn of the 19th century. [3] Petroleum-derived pitch is black in colour, hence the adjectival phrase, "pitch-black". [4]

6. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   Felt paper is available in several grades, the most common being Type 1—commonly called 15-pound (15#) or No. 15 (#15)—and Type 2—commonly called 30-pound (30#) or No. 30 (#30). The weight designations originated with organic base felt weighing 15 or 30 pounds per 100 sq. ft. (6.8 kg or 14 kg per 9.3 m 2 ).

7. W. R. Grace and Company - Wikipedia

   en.wikipedia.org/wiki/W._R._Grace_and_Company

   In February 1981, the company announced a joint venture with Netherlands retail giant Vroom & Dreesmann, which gave its Dutch partner 50% buy-in to many of its retail stores. [9] In 1987, Grace built a can sealant plant in Minhing, China, near Shanghai , becoming the first wholly foreign-owned, private company to do business in The People's ...

8. Hydrophobic concrete - Wikipedia

   en.wikipedia.org/wiki/Hydrophobic_concrete

   Hydrophobic concrete is concrete that repels water. It meets the standards outlined in the definition of waterproof concrete. Developed in Australia in the mid-20th century, millions of cubic yards of hydrophobic concrete have been laid in Australia, Asia, and Europe, and in the United States since 1999. Its effective use in hundreds of ...

9. Rubberized asphalt - Wikipedia

   en.wikipedia.org/wiki/Rubberized_asphalt

   Rubberized asphalt concrete (RAC), also known as asphalt rubber or just rubberized asphalt, is noise reducing pavement material that consists of regular asphalt concrete mixed with crumb rubber made from recycled tires. Asphalt rubber is the largest single market for ground rubber in the United States, consuming an estimated 220,000,000 pounds ...