Everbuild Contract 125 One Hour Caulk is a fast-drying flexible decorators’ filler and sealant that remains permanently flexible. Can be overpainted with most paint types or covered over with wallpaper; no sanding down required. Ideal for sealing and filling cracks and gaps prior to decorating, and for use around skirting boards, ceiling cornices, window and door frames, stair treads and risings and fixtures adjoining walls.


Available in:
300ml cartridge


  • Internal and external sealing around timber and metal window and door frames
  • Windowsills
  • PVCu profile, trim, and cladding Sealing cracks and gaps in brickwork, masonry, and concrete
  • Decorating
  • Skirting boards
  • Ceiling cornices
  • Joints between stairs and walls

See all applications in our Technical Data Sheet

See all applications in our Technical Data Sheet



How long after application can 125 One Hour Caulk be painted?

125 One Hour Caulk is overpaintable within 1 hour.

Does 125 One Hour Caulk slump when being applied?

No, 125 One Hour Caulk has excellent slump resistance.

Can I use 125 One Hour Caulk for filling precast panel or external facade joints?

No, SabreSeal MS Façade is recommended for this application.

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