the paint appears bubbled or blistered due to trapped humidity within the concrete wall, white concrete wall texture.

deterioration accumulation surroundings condensation preservation construction environment evaporation maintenance ventilation restoration background monochrome saturation insulation protection prevention durability blistered scratches condition structure formation expansion treatment stability humidity concrete fragment flooring moisture dampness interior affected adhesion bubbling appears bubbled trapped texture asphalt drawing swollen surface seepage plaster coating peeling sealing airflow cracks sketch circle damage porous drying layers repair paint white floor black brick water wall used soil