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Damp (structural) Detail showing some of the causes of damp penetration. Structural dampness is the presence of unwanted moisture in the structure of a building, either the result of intrusion from outside or condensation from within the structure. A high proportion of damp problems in buildings are caused by ambient climate dependent factors ...
A cavity wallis a type of wall that has an airspace between the outer face and the inner, usually structural, construction.[1] The skins typically are masonry, such as brick or cinder block. Masonry is an absorbentmaterial that can retain rainwater or condensation. One function of the cavity is to drain water through weepholes at the base of ...
Hempcrete is a construction building material that uses hemp shives, aggregate, water, and a type of binder to act as non-bearing walls, insulators, finishing plasters, and blocks. The material has low mechanical properties and low thermal conductivity, making it ideal for insulation material.
H2SO4 + Ca (OH)2 → CaSO4 · 2H2O. When concrete is carbonated by atmospheric carbon dioxide (CO 2), or if limestone aggregates are used in concrete, H2SO4 reacts with calcite (CaCO3) and water to also form gypsum while releasing CO 2 back to the atmosphere: H2SO4 + CaCO3 + H2O → CaSO4 · 2H2O + CO2.
Best Overall: BOSCH Impact Tough Masonry Bit Set. Best Multi-Purpose: Daredevil MPC500T Multipurpose Drill Bit Set. Best for Concrete: Milwaukee 4-Cutter SDS+ Carbide Hammer Drill Bit Kit.
Lime mortar or torching[1][2] is a masonry mortar composed of lime and an aggregate such as sand, mixed with water. It is one of the oldest known types of mortar, used in ancient Rome and Greece, when it largely replaced the clay and gypsum mortars common to ancient Egyptian construction. [3]
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