DOWSIL™ 776 InstantFix WB


DOWSIL™ 776 InstantFix WB is an instant strength neutral cure silicone for window & door assembly.

Product info


  • Easy to use 1 part silicone
  • Low squeeze-out
  • UV and weather resistant
  • Primerless adhesion to a wide range of substrates such as PVC, coated wood, glass etc.
  • Neutral cure
  • Low odour
  • Provides instant green strength

Technical Information

Where to use Exterior
Paintable No
Time to cure 24 hours
Time to cure disclaimer Sealant cure rate is 2mm per 24 hours
Sizes 380ml ‘e’ Cartridges, 600ml ‘e’ Sausages
Application method Sausage Gun


Surface Preparation

Substrates must be cleaned with a suitable solvent and lint-free cloth prior to application to ensure adhesion durability.

Clean up

There is no specific cleaning required as it is a one-part silicone sealant. Material which stays uncured in the nozzle, will start to cure. To avoid that, nozzle should be covered with a moisture tight material such as metal.