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BRICK SHOULD NOT BE PAINTED <br />A _N <br />��MRFUWZ <br />methods, make certain that all mortar <br />joints are sound and that the building <br />is watertight. This will decrease the <br />likelihood of water reaching metal' <br />anchors or interior walls. <br />Clean a building gently,. Start with a <br />solution of water and liquid Joy <br />dishwashing detergent and a stiff <br />brush of either natural or synthetic <br />bristles. Never use a metal -bristled <br />brush. <br />Cleaning needs to start at the bottom <br />of the building and progress upwards, <br />keeping the lower levels wet or <br />frequently rinsed. This will prevent <br />the dripping water from upper <br />Cleaning areas streaking or staining <br />the lower areas. <br />Repair of Brick Walls <br />• The material between the brick is <br />called mortar and is important to the <br />integrity of the wall'. <br />• Before replacing missing or damaged <br />mortar (repointing), determine any <br />other causes for the deterioration of <br />the mortar or brick wall: leaking roofs <br />or gutters, building settlement, or <br />extreme weather exposure. This willl <br />ensure that the new mortar is not <br />subjected to the original sources of <br />deterioration., <br />• Never use Portland cement mortar <br />with historic materials. <br />If the mortar is simply missing or <br />deteriorated, it needs to be replaced <br />with mortar to match, the original in <br />,color, composition, and profile. Use <br />a sand-liime recipe for mortar, which <br />is compatible with the old brick. <br />Testing may be necessary to achieve <br />a match. Modern masonry mortar has <br />Portland cement as a main <br />ingredient, which is too hard for <br />historic brick. Too much cement in <br />the recipe will accelerate the <br />deterioration of the brick and spalling <br />. Design Standards for the City of Paris, Texas 63 <br />