Sikasil WS-295 FPS Field Pigmentable Neutral Cure Silicone Sealant White Base 1.5 Gallon Pail

Sika Corporation
Item #
Mfr. Model # 412150

Sikasil WS-290 FPS, Field Pigmentable, Neutral Cure Silicone Sealant, White Base, 1.5 Gallon Pail

Sikasil® WS-290 FPS is a field pigmentable, low to no bleed, one–component plus color pack, non-sag, elastomeric, neutral cure silicone 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.


Sealing expansion and control joints in precast concrete panels and metal curtain walls.

  • As a weather seal in glass to glass butt joint glazing
  • As a weather seal in nonstructural glazing applications, including cap, toe and heel beads
  • Exterior Insulation Finish Systems (EIFS) and numerous other areas requiring a high-performance sealant


  • Field pigmentable sealant
  • Unaffected by most atmospheric conditions
  • Non-staining
  • Joint movement +100/-50 %
  • Excellent adhesion
  • One-component, plus color pack
  • Excellent gunnability in all temperatures

  • Versatile medium modulus
  • Unaffected by most atmospheric conditions
  • Excellent resistance to UV and Ozone exposure
  • Non-staining to most porous substrates
  • Joint movement ±50 %
  • Excellent adhesion to most substrates and surfaces
  • One-component, moisture-curing
  • Excellent gunnability in all temperatures
Product Details
Specification Description
# of Components: Single Component
Adhesive/Glue Type: Caulks & Sealants
Brand Name: Sika Corporation
Brand Part Number: 412150
Chemical Base: Silicone
Color: White Base
Cure Mechanism: Moisture
Cure Time: 7 - 14 Days
Cure Type: Neutral
Elongation: 700%
For Joint Type: Horizontal & Vertical
Grade (ASTM C-920): NS - Non-Sag
Model: Sikasil WS-295
Movement Capability: +/- 50%
Operating Temperature: -80° to 350°F
Package Type: Pail
Paintable: No
Peel Strength: 30 pli
Primary Application: Construction & Concrete
Shelf Life: 365 days
Shore Hardness: 25A
Size: 1.5 Gallon
Specifications Met: ASTM C1184, ASTM C-920 Type S Grade NS Class 50 Use NT/M/G/A/O, CAN/CGSB-19.13-M87, TT-S-00230C Type II Class A
Temperature Rating: High (Up to 350°F)
Tensile Strength: 200 psi
Use (ASTM C-920): A - Aluminum, G - Glass, M - Mortar, NT - Non-Traffic, O - Other
VOC Content Range: 37 g/L
Working/Tack/Skin Time: 50 Minutes
$254.99 / each

Estimated to ship Mon. Jul 08.