Description
Sikaflex-1a is a premium-grade, high performance, moisture-cured, one-component, polyurethane-based, non-sag
elastomeric sealant.
Where to Use
Designed for all types of joints with maximum depth of 13 mm (1/2 in) and a maximum expansion of 35 %.
Excellent for small joints and fillets: windows, door frames, reglets, flashing, glazing, and many construction applications.
Suitable for vertical and horizontal joints.
Many applications as an elastic adhesive between materials with dissimilar thermal coefficients of expansion.
Submerged conditions such as canal and reservoir joints.
Ideal for: Weatherproofing of joints between brickwork, blockwork, masonry, wood and concrete or metal frames;
joints in walls, floors, balconies, around window or door frames: expansion joints; roofing applications.
Advantages
Capable of ± 35 % joint movement.
Eliminates time, effort, and equipment for mixing, filling cartridges and cleaning of equipment.
High elasticity - Cures to a tough, durable, flexible consistency with exceptional cut and tear resistance.
Excellent adhesion - Bonds to most construction materials without primer in most cases.
Excellent resistance to aging, weathering.
Readily placeable at 4 °C (39 °F)
Resists to fuel, mineral oils, and dilute minerals, plant and animal fats.
Odorless, non-staining, can be painted over with water, oil, and rubber-based paints. Since some paints dry slowly and
the surface may remain slightly tacky, a preliminary test is essential
.
Meets CAN/CGSB 19.13-M87, Classification MCG-2-25-B-N.
Meets Federal Specification TT-S-00230C, Type II, Class A.
Meets Federal Specification Spec TT-S-00227E
Meets ASTM C920 Type S, Grade NS, Class 35. Use T, NT, O, M, G, I.
Jet fuel resistant.
ANSI/NSF Standard 61 approved for contact with potable water (Black, White, Colonial White, Aluminum Grey, Capital
Tan, Limestone, Dark Bronze colours only).
Urethane-based, suggested by EPA for radon reduction.
USDA approved (chemically acceptable for use in meat and poultry processing areas under federal inspection).
Meets the requirements of CFIA for use in food plants
Ministère des Transports du Québec acceptance.
Product qualified by The Road Authority (TRA).
SWRI validated.
Product recognized by the British Columbia Ministry of Transportation(BC MoT