FILTRATION SOILING (PATTERN STAINING)
Category: Glossary
A normal condition which appears as dark streaks on carpeting or insulation in the path of continuing air flow. The affected materials filter out airborne particles which accumulate over time.
Category: Glossary
A normal condition which appears as dark streaks on carpeting or insulation in the path of continuing air flow. The affected materials filter out airborne particles which accumulate over time.