Advantages
Estoseal 109 is a one part polyurethane joint sealant which, on exposure to atmospheric moisture, cures to form a flexible rubber seal.
• One part gun application
• No mixing required
• Class A sealant – total Joint Movement 50% (±25%)
• Cures to a tough, flexible rubber
• Available in a range of colours
• No priming required on most substrates
• Excellent adhesion to most common substrates such as concrete, metal, glass, aluminium, stainless steel.
• Good weathering resistance
• Paintable – compatible with waterbased paints
• ASTM C661 – 98
• ASTM C793 – 05
• ASTM E1399 – 97
Estoseal 109 is supplied in cartons containing 20 x 600 ml foil sachets.
Storage life of 9 months is original foil packs when kept in dry conditions between 5oC and 25 oC.
Estop offers a technical support package to specifiers, end-users and contractors, as well as on site technical assistance.
Application Instruction
Joint Preparation
Concrete joint sealing slots must be accurately formed, clean, and free from dust. Remove dust and laitance using grit blasting or grinding, avoiding polishing the joint sides. Blow out the slot with dry, oil-free compressed air. Ensure the expansion joint filler is tightly packed and at the specified depth. Before sealing, insert a cord or bond breaker caulk tightly into the base of the slot to prevent sealant adhesion.
Priming
No priming is required for common substrates, such as concrete, aluminium, steel, brick, and granite.
Application
Estoseal 109 is non-sag and easily applied with a caulking gun. Fill and tool the joint immediately for full contact with the interfaces.
Finishing
Estoseal 109 should be tooled to a smooth finish. Good sealant practice encourages the use of masking tape that should be removed immediately after tooling.
Additional Information
Denka Construction Solution Malaysia Sdn Bhd offers a wide range of products including waterstops, waterproofing products, grouts, anchors, specialized flooring products, and products for repair and refurbishment of spalled concrete.
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