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Sikasil®-GP & Sikasil®-GP HT (high temperature)

Part of the Sikasil series

Sikasil®-GP & Sikasil®-GP HT (high temperature)


SikaSil®-GP is a general purpose, onecomponent, non-sag, elastomeric, 100% RTV acetoxy silicone sealant. Meets the requirements of ASTM C-920, Type S, Grade NS, Class 25, Use NT, G, A, O; TT-S-01543A, Class A; CAN/CGSB- 19.13-M87, recognized under UL QMFZ2, MIL-A- 46106, ANSI/NSF Standard 51 for direct food contact and California Air Resources Board 2003 requirements for Volatile Organic Compound content. Maintains elastomeric properties up to 450° F continuous, 500°F intermittent. HT (High Temperature) red up to 500 continuous, 550°F intermittent. Meets federal specification TT-S-005143A, Class A.


  • One-component ready to use

  • Excellent for dynamic joint movement & dissimilar materials, Joint movement ±25%

  • Excellent adhesion, bonds to many substrates without priming

  • Fast Cure - Move assembled or sealed parts quickly

  • Wide service temperature / durability

  • Superior gunning & tooling

  • High temperature red for temperature resistance up to 550°F

  • Anti microbial additive for mold resistance (except translucent)


  • Sealing & glazing of windows, doors and skylights

  • Conventional glazing and Storefronts

  • Kitchen and bath countertops, Sanitary seals

  • HVAC, Plumbing, Roofing

  • Sealing trucks, trailers and RVs

  • Marine applications

  • Appliance Assembly


  • Glass, aluminum, tile, fiberglass, plastic, ceramic, wood, steel and painted metals

Related Products

Product Description

Products in this Series

Product Description
Sikasil Primer 2100 Sikasil Primer 2100 is a product manufactured by Sika.
Sikasil® WS-290 Sikasil® WS-290 is an Ultra low modulus, neutral cure silicone sealant.
Sikasil® WS-290 FPS (Field Pigmentable System) Sikasil® WS-290 FPS is an Ultra low modulus, neutral cure, field pigmentable silicone sealant.
Sikasil® WS-295 Sikasil® WS-295 is a Neutral cure, weather sealing silicone sealant.
Sikasil® WS-295 FPS (Field Pigmentable System) Sikasil® WS-295 FPS is a Neutral cure, field pigmentable silicone sealant.
Sikasil®-728 NS Sikasil®-728 NS is a Non-sag, ultra low modulus, highway/parking garage, neutral cure silicone sealant.
Sikasil®-728 SL Sikasil®-728 SL is a Self-leveling, ultra low-modulus, highway/parking garage, neutral cure silicone sealant.
Sikasil®-GP & Sikasil®-GP HT (high temperature) Sikasil®-GP is a General Purpose Acetoxy Cure Silicone.
Sikasil®-N Plus US Sikasil®-N Plus US is a Neutral Cure Silicone Assembly Sealant.