brick disintegration in a rooftop chimney

background black brick bricks building chimney chipped codes construction crystallization crystallize damage damaged dangerous decayed demolition disintegration efflorescence expansion expensive fallen falling freeze freezing home house inspection insurance lime loose magnesium many masonry materials moisture more mortar neglect neglected orange out painted place plastic process protective quick rebuild red repairs roof roofing rooftop runaway ruptured ruptures rusty safety salts seasons slaking spall spalling sulfate tar thaw tiles time ugly unsightly water waterlogged white yourself