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  2. Puddling (civil engineering) - Wikipedia

    en.wikipedia.org/wiki/Puddling_(civil_engineering)

    Puddle has to be kept wet in order to remain waterproof so it is important for canals to be kept filled with water. The clay is laid down with a tool called a 'punner', or 'pun', a large rectangular block on a handle about 5 feet (1.5 m) long, or trodden down, or compacted by some other means (e.g. by an excavator using the convex outside of ...

  3. Silicate mineral paint - Wikipedia

    en.wikipedia.org/wiki/Silicate_mineral_paint

    The binder is a combination of silica sol and water glass. The organic fraction is limited to 5 mass percent similar to dispersion silicate paint allowing for chemical setting and retaining of the silicate specific advantages. The sol silicate paint allows use on non-mineral plaster. [4] For these the bonding occurs chemically and physically.

  4. Desert varnish - Wikipedia

    en.wikipedia.org/wiki/Desert_varnish

    Desert varnish on gibber, Central Australia . Desert varnish or rock varnish is an orange-yellow to black coating found on exposed rock surfaces in arid environments. Desert varnish is approximately one micrometer thick and exhibits nanometer-scale layering. [1] Rock rust and desert patina are other terms which are also used for the condition ...

  5. Earthen plaster - Wikipedia

    en.wikipedia.org/wiki/Earthen_plaster

    Clay wall plaster and clay wall paint have a very high deposition velocity. In general, fleecy and porous materials exhibit higher deposition velocities than smooth sealed surfaces. The high deposition velocities exhibited by clay wall plaster or paint may be due to iron or aluminum catalyzed decomposition of ozone.

  6. Varnish - Wikipedia

    en.wikipedia.org/wiki/Varnish

    Varnish on wood stairs Varnished oak floor. Varnish is a clear transparent hard protective coating or film. It is not to be confused with wood stain. It usually has a yellowish shade due to the manufacturing process and materials used, but it may also be pigmented as desired. It is sold commercially in various shades.

  7. Waterproofing - Wikipedia

    en.wikipedia.org/wiki/Waterproofing

    In construction, a building or structure is waterproofed with the use of membranes and coatings to protect contents and structural integrity. The waterproofing of the building envelope in construction specifications is listed under 07 - Thermal and Moisture Protection within MasterFormat 2004, by the Construction Specifications Institute, and includes roofing and waterproofing materials.