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2. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   [8] Type 1 - #8. Formerly ASTM D4869-93 Type I; Type 2 - #13. Formerly ASTM D226-97a Type I (No. 15) Type 3 - #20. Formerly ASTM D4869-93 Type II; Type 4 - #26. Formerly ASTM D226-97a Type II (No. 30) ASTM D2178 / D2178M-15a Standard — Specification for Asphalt Glass Felt Used in Roofing and Waterproofing. [9] Type IV has a 44-pound breaking ...

3. Foam concrete - Wikipedia

   en.wikipedia.org/wiki/Foam_concrete

   This slurry is further mixed with a synthetic aerated foam in a concrete mixing plant. [9] The foam is created using a foaming agent , mixed with water and air from a generator. The foaming agent must be able to produce air bubbles with a high level of stability, resistant to the physical and chemical processes of mixing, placing, and hardening.

4. Calcium silicate hydrate - Wikipedia

   en.wikipedia.org/wiki/Calcium_silicate_hydrate

   C-S-H is a nano sized material [5] [6] with some degree of crystallinity as observed by X-ray diffraction techniques. [7] The underlying atomic structure of C-S-H is similar to the naturally occurring mineral tobermorite. [8] It has a layered geometry with calcium silicate sheet structure separated by an interlayer space.

5. 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 ...

6. Heidelberg Materials - Wikipedia

   en.wikipedia.org/wiki/Heidelberg_Materials

   Heidelberg Materials in Heidelberg. Heidelberg Materials is a German multinational building materials company headquartered in Heidelberg, Germany.Formerly known as HeidelbergCement AG, the company has rebranded as Heidelberg Materials in September 2022. [4]

7. 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 ...

8. 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]

9. W. R. Grace and Company - Wikipedia

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

   [1] [5] [6] [7] Grace left Ireland during the Great Famine [8] and traveled to South America with his family. He went first to Peru to work as a ship chandler for the firm of Bryce and Company, to the merchantmen harvesting guano , used as a fertilizer and gunpowder ingredient due to its high levels of phosphorus and nitrogen.