List of featured suppliers of CAVITY TRAYS Threshold on Building Products Index
A cavity tray is a water-resistant barrier installed in the cavity wall of a building to prevent water penetration from external walls into the internal structure. It is commonly installed above doors and windows in multi-story buildings to prevent water leakage. A threshold is a horizontal piece of material that separates two different areas of a building. It is usually found at the entrance of a building or room and provides a smooth transition between the inside and outside surfaces. The threshold is typically made of wood, metal, or other durable materials that are resistant to wear and tear caused by foot traffic.