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Learn how to spot the difference between harmless and serious cracks in your walls. We asked an expert to explain when and why you should be concerned.
Commonly used to bond one brick walls at right-angled quoins. Kings closer: A brick that has been cut diagonally over its length to show a half-bat at one end and nothing at the other. Coralent: A brick or block pattern that exhibits a unique interlocking pattern. Corbel: A brick, block, or stone that oversails the main wall.
Failure of ties is an increasing problem with cavity wall ties made from galvanized steel. It arises when the galvanizing is not of sufficient quality and the outer leaf of the cavity wall allows water penetration, usually due to porous brick/blockwork. If the tie rusts, the swelling effect may cause horizontal, external cracks to appear in the ...
Although there are many types of anchors or anchorages, according to the Dictionary of Architecture and Construction, an anchor plate specifically is a "wrought-iron clamp, of Flemish origin, on the exterior side of a brick building wall that is connected to the opposite wall by a steel tie-rod to prevent the two walls from spreading apart ...
German masons repointing a wall in 1948. Repointing is the process of renewing the pointing, which is the external part of mortar joints, in masonry construction. Over time, weathering and decay cause voids in the joints between masonry units, usually in bricks, allowing the undesirable entrance of water.
Components on a concrete masonry unit and brick cavity wall. A cavity wall is composed of two masonry walls separated by an air space. The outer wall is made of brick and faces the outside of the building structure. [6] The inner wall may be constructed of masonry units such as concrete block, structural clay, brick or reinforced concrete. [6]
Because the masonry veneer is non-structural, it must be tied back to the building structure to prevent movement under wind and earthquake loads. Brick ties are used for this purpose, and may take the form of corrugated metal straps nailed or screwed to the structural framing, or as wire extensions to horizontal joint reinforcement in a fully masonry veneer or cavity wall.
This exterior wall finish was made popular in England and Wales during the 1920s, when housing was in greater demand, and house builders were forced to cut costs wherever they could, and used pebbledash to cover poor quality brick work, which also added rudimentary weather protection.