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Repointing Mortar Joints in Historic Buildings
Dangers of Abrasive Cleaning to Historic Buildings
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abrasive cleaning acid alkoxysilanes applied architectural architectural conservator architectural terracotta areas ASTM barium barium carbonate barium hydroxide barium sulfate barrier coating brick BUILDING RESEARCH ESTABLISHMENT calcium calcium hydroxide capillary action carbonate cause cement ceramic floor tiles ceramic tile floors chemicals clay cleaners cleaning methods color condensation Conservation consolidate stone cracks dirt effective efflorescence encaustic tiles epoxy exterior glazes graffiti removal grit grout gutters historic building materials historic ceramic tile historic masonry historic mortar Historic Preservation hydroxide installation interior layer limestone maintenance Masonry Buildings masonry surface methylmethacrylate moisture damage moisture problems mortar mortar joints National Park Service paint penetration polymerization pores porous poultice Preservation Brief pressure protect removing graffiti repair replacement repointing repointing mortar require rising damp sand soluble salts solvents spalling stains stone consolidants Subflorescence techniques temperature Tile Company treated stone treatment vapor ventilation wall Waterproof weather