Home Fabricator Adhesives, Sealants and Primers Window Perimeter Sealants



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Window Perimeter Sealants, General Adhesives and Sealants

Bostik Fill-A-Gap is a general purpose, gun applied one-part water based, paintable acrylic gap filler. This easy to use, economical sealant provides excellent adhesion for gaps and cracks and other low movement joints.


  • Excellent sealing and adhesion properties
  • Skins within 15 minutes
  • Joint movement capability of (+/- 5%)
  • After 2 hours can be painted over with acrylic paint - If oil based paints are to be used, allow sealant to fully cure (2-3 days)
  • High bond strength
  • Slump resistant
  • Low odour


  • Sealing cracks in plasterboard
  • Sealing window and door frames
  • Sealing around ceramic tiles
  • Sealing low movement joints
  • Crack filling prior to painting
  • Sealing cracks in brickwork and concrete
  • Sealing between light partition walls
  • Sealing skirting and architraves


  • For more information on compatibility with other products and specialist advice, please contact Glasscorp directly
  • Customers should independently determine the suitability of this product for their specific purpose prior to use


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