• Home
  • Sika Sikaflex-1a Cap Tan Sealant Sausage 20 oz
Image for Sika Sikaflex-1a Cap Tan Sealant Sausage 20 oz from White Cap
+ / - Hover over image to Zoom
Other Views

Sika Sikaflex-1a Cap Tan Sealant Sausage 20 oz

Brand: Sika Mfg#: 91004
Product#: 438431206
Based on Product Sourcing
Hazardous material shipping restrictions apply. You may be contacted by Customer Service if an alternate shipping method is required.

Please Login to receive Special Pricing
Not Registered? Create an Account


Sikaflex-1a is a premium-grade, high-performance, moisture-cured, one-component polyurethane-based, non-sag elastomeric sealant used in certain Sika Sarnafil roofing or waterproofing system flashing details. Typical applications include wall, curb and dra


  • Sikaflex-1a is a premium-grade, high-performance, moisture-cured, polyurethane-based sealant Meets Federal specification TT-S-00230C, Type II, Class A Meets ASTM C-920, Type S, Grade NS, Class 25, use T, NT, O, M, G, I; Canadian standard CAN/CGSB 19.13-M87
  • Designed for all types of joints where maximum depth of sealant will not exceed 1/2 in Excellent for small joints and fillets, windows, door frames, reglets and flashing Suitable for vertical and horizontal joints; readily placeable at 40 deg F Has many applications as an elastic adhesive between materials with dissimilar coefficients of expansion Submerged conditions, such as canal and reservoir joints Fast tack-free and final cure times High elasticity - cures to a tough, durable and flexible consistency Excellent adhesion - bonds to most construction materials without a primer Excellent resistance to aging, weathering Odorless, non-staining Paintable with water, oil and rubber-based paints 1a is a class 35 sealant with +/-35% movement USDA-approved, Sealant, Waterproofing and Restoration Institute (SWRI) validated
  • 1-part, non-sag, polyurethane elastomeric sealant/adhesive


  • Brand: Sika
  • Product Line: Sikaflex-1a
  • Finish: Smooth
  • Media: Carbon Dioxide, Foam
  • Shore Hardness: 40 +/-5 Shore A
  • Flammability Rating: 1
  • VOC Content: 40 g/l
  • Type: 1-Part, High Performance, Premium Grade
  • Temperature Range: -40 TO 170 deg F
  • Resists: Chemicals
  • Capacity: 20 oz
  • Packing Type: Sausage
  • Color: Tan
  • Specific Gravity: 1.19
  • Application Temperature: -35 TO 140 deg F
  • Coverage: 15 Linear ft
  • Standards: ASTM C920
  • Drying Time: 4 - 3 hr Track Free
  • Odor/Scent: Aromatic
  • Base Type: Polyurethane
  • Composition: Polyisocyanate Prepolymer, Xylene
  • Form: Paste
  • Functional Cure: 4 - 7 days
  • Usage: For All Types of Joints