Mfr:Sika Corp

SikaSil WS-290 Silicone Sealant per 20 Ounce Sausage

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Item #: SIKSILWS-290.SS

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Sikasil WS-290 is a one-part, neutral-curing, and ultra low-modulus silicone sealant. This than cures to a durable, flexible building sealant. Sikasil WS-290 performs exceptionally well under dynamic conditions due to its ultra-low modulus, high extension/compression, recove...

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About This Product

Details

Sikasil WS-290 is a one-part, neutral-curing, and ultra low-modulus silicone sealant. This than cures to a durable, flexible building sealant. Sikasil WS-290 performs exceptionally well under dynamic conditions due to its ultra-low modulus, high extension/compression, recovery properties and strong adhesion to most building materials.

Meets the requirements of ASTM C-920, Type S, Grade NS, Class 100/50, Use NT, M, G, A, O; TT-S-00230C, Type II, Class A; TT-S-001543A, Class A; CAN/CGSB-1 9.1 3-M87, AAMA 808.3.

  • Unaffected by most atmospheric conditions
  • Excellent resistance to UV and Ozone exposure
  • Non-staining
  • Joint movement +100/-50 %
  • Excellent adhesion
  • One-component
  • Excellent gunnability in all temperatures
  • Ultra low Modulus

Applications

  • Sealing expansion and control joints in precast concrete panels and metal curtain walls
  • As a weatherseal in glass to glass butt joint glazing
  • As a weatherseal in nonstructural glazing applications, including cap, toe and heel beads
  • Exterior Insulation Finish Systems (EIFS) and numerous other areas requiring a high-performance sealant

Documents

SikaSil WS-290 Documents

Specifications

Sikasil WS-290 Specifications

Q & A

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Warning: This product contains a chemical known to the State of California to cause cancer and reproductive harm.
For more information go to www.p65warnings.ca.gov

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