Blowerproof airtight liquid membrane is now BBA certified, used widely across Europe because of its ability to reach unrivalled levels of airtightness. Blowerproof is used to reach Passive Standard 0.6 AC/h in buildings but can reach 0.2 AC/h if required.
Wall to ceiling junction The wall to ceiling junctions on all floorlevels along the outer skin of a house or building need to be made airtight.
Walls Spray On Blowerproof liquid airtight membrane is the product of choice for professionals want to reach Passive Standard.
Window jambs Fill gaps between the window frame and the wall with PU foam and cut off excess then brush on Blowerproof for airtight seal
Floor to wall junction The floor to wall junctions on all floorlevels need to be made airtight. Apply Blowerproof coating before the floor insulation and screed is done.