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2. Self-healing concrete - Wikipedia

   en.wikipedia.org/wiki/Self-healing_concrete

   After an initial layer of calcite is formed on the crack walls and the surrounding concrete matrix becomes less rich in calcium ions, the transition to the so-called "diffusion-controlled crystal growth" occurs, which means that the Ca 2+ ions must diffuse through the concrete, and the CaCO 3 layer in order to reach the crack surface and ensure ...

3. New 3M™ Patch Plus Primer Revolutionizes Wall Repair and Painting

   www.aol.com/news/2012-12-13-new-3m-patch-plus...

   PAUL, Minn.--(BUSINESS WIRE)-- 3M today introduced a new product designed using the latest technology in wall repair, making it possible to paint without priming when patching a wall. 3M™ Patch ...

4. Mortar (masonry) - Wikipedia

   en.wikipedia.org/wiki/Mortar_(masonry)

   Mortar holding weathered bricks. Mortar is a workable paste which hardens to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, spread the weight of them evenly, and sometimes to add decorative colours or patterns to masonry walls.

5. Filler (materials) - Wikipedia

   en.wikipedia.org/wiki/Filler_(materials)

   Filler materials are particles added to binders (resin, thermoplastics, cement) to make a composite material. Filler materials improve specific properties or make the product cheaper. [1] Coarse filler materials such as construction aggregate and rebar are used in the building industry to make plaster, mortar and concrete.

6. Concrete degradation - Wikipedia

   en.wikipedia.org/wiki/Concrete_degradation

   Example of flat piece of concrete having dislodged with corroded rebar underneath, Welland River bridge across Queen Elizabeth Way in Niagara Falls, Ontario. The expansion of the corrosion products (iron oxides) of carbon steel reinforcement structures may induce internal mechanical stress (tensile stress) that cause the formation of cracks and disrupt the concrete structure.

7. Plaster - Wikipedia

   en.wikipedia.org/wiki/Plaster

   Interior surfaces sometimes receive a final layer of gypsum plaster. Walls constructed with stock bricks are normally plastered while face brick walls are not plastered. Various cement-based plasters are also used as proprietary spray fireproofing products. These usually use vermiculite as lightweight aggregate. Heavy versions of such plasters ...