8125® 100% Silicone High Performance Acetoxy Cure Sealant is a high modulus, one-component sealant. It has excellent adhesion to non-porous surfaces and is able to withstand ±25% joint movement.


  • 100% Silicone
  • High modulus
  • Excellent adhesion to non-porous surfaces
  • Cured sealant is mildew resistant
  • Can be applied in adverse temperatures
  • Good resistance to weathering, vibration, and moisture-±25% joint movement
  • Can be used for sealing or adhering surfaces
  • Meets ASTM C 920, TT-S-00230-C; FDA/USDA approved

For Use On

Glass, wood, vinyl,  metal, ceramic, painted surfaces and many other common building substrates

Product # ColorPDSSDSUPC
GC59102 Aluminum Gray079239591023
GC68111 Clear079239681113
GC68112 White079239681120
GC68113 Black079239681137
GC68115 Gray079239681151
Product is not recommended for exterior, below-grade use. Product is not recommended for glazing of insulated glass units sealed with two-part silicone secondary seals. Product is not recommended for continuous underwater immersion. Do not use in applications over tar, asphalt, or materials that bleed oils, plasticizers, or solvents. Do not use on marble substrates. Do not use in applications with airtight enclosures as the sealant requires atmospheric moisture to cure. Do not use in applications with materials that may react to acetic acid like copper, acrylic, and plastic. Do not use on horizontal traffic joints.

Additional information


General Construction, Heavy Duty Trucks/Trailers, OEM – MH/RV

Sold Through

Building Supply Center, Fleet Supplier, Hardware Store, Heavy Duty Truck and Trailer Dealer or Repair Center, Home Center, Industrial Distributor, Lumberyard, OEM Distributor for Manufactured Housing and RV’s, Roofing Wholesaler, Specialty Supply Center (i.e., Windows, Masonry, HVAC, etc.)


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