Sikaflex 1A 91013 Colonial White One Part Polyurethane Elastomeric Sealant 300ml Cartridge

Sika Corporation
Item #
Mfr. Model # 91013

Sikaflex-1A 91013, Colonial White, One Part Polyurethane Elastomeric Sealant, 300ml Cartridge

Sikaflex-1a is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Meets Federal specification TT-S-00230C, Type II, Class A. Meets ASTMC-920, Type S, Grade NS, Class 35, use T, NT, O, M, G, I; Canadian standard CAN/CGSB 19.13-M87.

Where To Use:

  • Designed for all types of joints where maximum depth of sealant will not exceed 1/2"
  • Excellent for small joints and fillets, windows, door frames, reglets, flashing, common roofing detail applications, and many construction adhesive applications.
  • Suitable for vertical and horizontal joints; readily placeable at 40°F
  • Has many applications as an elastic adhesive between materials with dissimilar coefficients of expansion
  • Submerged conditions, such as canal and reservoir joints.


  • Eliminates time, effort, and equipment for mixing, filling cartridges, pre-heating or thawing, and cleaning of equipment.
  • Fast tack-free and final cure times.
  • High elasticity - cures to a tough, durable, flexible consistency with exceptional cut and tear-resistance.
  • Stress relaxation.
  • Excellent adhesion - bonds to most construction materials without a primer.
  • Excellent resistance to aging, weathering.
  • Odorless, non-staining.
  • Certified to the NSF/ANSI Standard 61 for potable water.
  • Urethane-based; suggested by EPA for radon reduction.
  • Paintable with water-, oil- and rubber-based paints.
  • Capable of ±35% joint movement.

Case Quantity: 24 Cartridges

Product Details
Specification Description
# of Components: Single Component
Adhesive/Glue Type: Caulks & Sealants
Brand Name: Sika Corporation
Brand Part Number: 91013
Chemical Base: Polyurethane
Color: Colonial White
Cure Mechanism: Moisture
Cure Time: 4 - 7 Days
Elongation: 550%
For Joint Type: Horizontal & Vertical
Grade (ASTM C-920): NS - Non-Sag
Model: Sikaflex 1a
Movement Capability: +/- 35%
Operating Temperature: -40° to 170°F
Package Type: Cartridge
Paintable: Yes
Peel Strength: Concrete 20 lb., Aluminum 20 lb., Glass 20 lb.
Primary Application: Construction & Concrete
Shelf Life: 365 days
Shore Hardness: 45A +/- 5A
Size: 300 ml
Specifications Met: ASTM C719, ASTM C-920 Type S Grade NS Class 35 Use T/NT/M/G/A/I/O, CAN/CGSB 19.13-M87, NSF/ANSI 61, TT-S-00230C Type II Class A
Tear/Shear Strength: 55 lb/in
Temperature Rating: Standard (Less Than 200°F)
Tensile Strength: 175 psi
Use (ASTM C-920): A - Aluminum, G - Glass, I - Immersed, M - Mortar, NT - Non-Traffic, O - Other, T - Traffic
VOC Content Range: 37 g/L
Working/Tack/Skin Time: 3 - 6 Hours
$6.06 / each
  • 48+ for $5.96 / each
  • 240+ for $5.86 / each

7 units in stock. Estimated to ship Thu. Jun 20 Need more? Estimated to ship Tue. Jul 09.