Sika Sikaflex-1a 300mL One-Component Elastomeric Polyurethane Sealant

Sika Sikaflex-1a 300mL One-Component Elastomeric Polyurethane Sealant is a premium-grade, high performance, moisture-cured, one-component, polyurethane based, non-sag elastomeric sealant. It is designed for all types of joints with a maximum depth of 13mm (1/2") and a maximum expansion of 35%. It is suitable for both vertical and horizontal joints as well as submerged conditions.

Features

• 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
• Odourless, 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

Applications

• 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

Specifications