Gap between bottom aluminium window flange and cladding sealed
The gap between the back of the bottom aluminium window flange and the direct-fixed cladding has been sealed (gap should be 5 mm)
Causes
Cause
It was not installed correctly when constructed – the gap has been required under E2/AS1 for building work since 1992 to allow draining and drying around the window
Repair
- remove the sealant from the joint