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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.
Water penetration is the greatest degrader of mortar, and different mortar joints allow for varying degrees of water-resistance. For maintenance, degraded mortar joints need to be renewed by removing the old mortar and applying new mortar, a process known as "repointing".
A chimney cowl or wind directional cap is a helmet-shaped chimney cap that rotates to align with the wind and prevent a downdraft of smoke and wind down the chimney. An H-style cap is a chimney top constructed from chimney pipes shaped like the letter H. It is an age-old method of regulating draft in situations where prevailing winds or ...
A remaining chimney on the east shore gave the area its new English name, Chimney Point. [11] A section of a 1779 map of Lake Champlain showing Chimney Point and Crown Point. On the west side of the lake, the British built massive Fort Crown Point with forty-foot-high walls and a six-acre parade ground, but it was destroyed by fire in 1773.
Several have fireplaces aligned with windows, and it is not unusual to find a double flue exiting the wall, generally with the exits aligned parallel to the prevailing wind to improve the updraft on a relatively short flue. A conventional chimney could not be used, as it would foul the turning cap and sails of the windmill.
The Incinerator, located on the western side of the Carriageway in the Baptist Section, is a brick structure approximately 2 metres wide and 3 metres deep with concrete cover to the fire box and a tall brick chimney. The structure has been vandalised in recent times and requires stabilisation and repointing to render its safe. [2]
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