Visible damage to the sealant
Look for cracked, shrinking or missing beads. If the sealant has pulled away from the window frame, cladding joint or façade, it is no longer providing a seal. Gaps between the sealant and the substrate are clear signs of failure.
Water ingress and damp
Staining on internal walls, damp patches around windows and unexplained water marks are often caused by failed external sealant. The water may be entering far from where the damp appears, so a proper inspection is important.
Draughts and noise
Gaps around window perimeters and cladding panels can allow draughts and outside noise into the building. This is a common sign that perimeter seals are no longer airtight.
What to do next
Arrange a sealant survey to identify which joints have failed and why. We can assess the building, recommend the right repairs and plan the access method for high-level work.
Frequently Asked Questions
How often should a commercial building's sealant be inspected?
A visual inspection once or twice a year is sensible. High-exposure façades may need checking more frequently, especially after severe weather.