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Searched The Knowledge Base for "cleaning"
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Found 49 matches
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If painted, use a solution of mild detergent and water, or a mild commercial cleaner whose label says it is safe for painted surfaces. Always rinse off solution. Wipe off excess water with a dry cloth. Do not use strong cleaners or scouring powder as these will damage the paint. If you plan to clean window frames, do it before cleaning window glass so solution does not spot glass panes.
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Abrasive cleaning methods are responsible for causing a great deal of damage to historic building materials. To prevent indiscriminate use of these potentially harmful techniques, this brief has been prepared to explain abrasive cleaning methods, how they can be...
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Rub with a cloth dampened in a solution of detergent and warm water. If the stain remains, rub it with a different cloth dampened with denatured alcohol.
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Aluminum does not rust, but it will discolor and develop a pitted or rough surface. Aluminum is affected by air pollutants. The surface will appear to have fine grit stuck to the surface, but it will not wipe away easily. If you observe aluminum storm windows and screens which have been exposed to weather for a couple years you will see what happens to aluminum outdoor furniture; the surface has oxidized.
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"Universal solvent" will dissolve most kinds of soils except oily ones. Alkalis, acids, bleaches or detergents added to water to chemically react with specific soils and loosen them so they can be removed in water. Prompt sponging with water (IF safe for material) can remove many stains without adding chemicals.
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Try the following methods for these common stains. Try the first method listed first, and go to the second only if this doesn't work. For unknown stains or heavy staining, consult a professional.
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The combustion process when wood is burned is never complete. The smoke from a wood fire usually contains a dark brown or black substance which has an unpleasant odor. This tar-like substance is called creosote and is found almost anywhere in a wood heating system.
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One of the best means of avoiding exposure to house-hold hazardous materials is to use safer alternatives whenever possible. Included in this section are time-honored recipes and suggestions to help you make the switch toward safer household products. Ingredients followed by instructions will guide you through an array of easy-to-make, easy-to-use safer alternatives.
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Wear off dirt, stains, tarnish and hard water deposits by rubbing; fine particles are less abrasive, coarse particles are more abrasive.
Cautions-Can scratch and damage surfaces, making smooth surfaces rough and thus harder to remove dirt from, in future cleaning.
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Inappropriate cleaning and coating treatments are a major cause of damage to historic masonry buildings. While either or both treatments may be appropriate in some cases, they can be very destructive to historic masonry if they are not selected carefully.
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Searched The Knowledge Base for "cleaning"
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Found 49 matches
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