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Sika Sikasil WS-290 White 20 oz

Brand: Sika Mfg#: 412416
Product#: 438412416
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SPECIAL ORDER ONLY – Call your local branch (see Location link above). Sikasil WS-290 FPS is a field pigmentable, low to no bleed low modulus, one–component plus color pack,non-sag elastomeric, neutral cure silicone sealant a durable, flexible building sealant Sikasil WS-290 FPS performs exceptionally well under dynamic conditions due to its ultra-low modulus, high extension/compression, recovery properties and strong adhesion to most building materials. Sikasil WS-290 FPS accommodates long-term movement of +100-50% in properly designed joints and is particularly well suited for use in Exterior Insulation Finish Systems (EIFS). 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-19-.13-M87, AAMA 808.3


  • Ultra low modulus, neutral cure silicone sealant
  • Well suited for use in exterior insulation finish systems (EIFS)
  • Low to no bleed silicone sealant strong adhesion to most building materials accommodates long-term movement of +100-50%


  • Brand: Sika
  • Product Line: Sikasil WS-290
  • Drying Time: 50 min Tack Free
  • Form: Paste
  • Resists: Chemicals
  • Specific Gravity: 1.14
  • Capacity: 20 oz
  • Odor/Scent: Oxime
  • Color: White
  • Shore Hardness: 12 Shore A
  • Media: Carbon Dioxide, Foam
  • VOC Content: 29 g/l
  • Flash Point: 212 deg F
  • Type: 1-Part, Neutral Cure
  • Composition: Methyl Ethyl Ketoxime, Oximino Silane
  • Packing Type: Cartridge
  • Functional Cure: 7 - 14 days
  • Tensile Strength: 165 psi
  • Temperature Range: -80 TO 350 deg F
  • Flammability Rating: 1
  • Standards: ASTM C920
  • Usage: For All Types of Joints