The WB ADWT is considered to be the best airtight and watertight access panel in the industry specified by architects worldwide. A flush airtight and
watertight access door that has been tested for air infiltration and water penetration. The door panel and trim are fully welded and gasketed.
This access door is ideal for use in laboratories, clean rooms, operating rooms, etc. where an airtight/watertight seal is required. The WB ADWT
airtight watertight access door is test for air tight and watertight infiltration. Perfect for any environment where an airtight and watertight
access door is required. Proudly manufactured for the Williams Brothers Corporation of America, this airtight and watertight access door is manufactured
with the highest quality.