Sika® Duoflex NS

Sika Duoflex is suitable for either exterior or interior use in both static and dynamic joints.

Sika Duoflex NS is suitable for sealing:

• Joints in precast concrete.
• Joints in glass and metal curtain wall construction.
• Expansion and control joints in concrete and masonry walls.
• Joints in metal siding.
• Perimeters of aluminum window frames and metal panels.
• Gas stations.

Sika Duoflex SL is suitable for sealing:

• Expansion and control joints in concrete floors.
• Joints in podium deck structures.
• Expansion joints in tile and brick flooring.
• Gas stations.

• Tough, elastic, rubber-like seal.
• Remains flexible with expansion and contraction of building component without adhesive or cohesive failure, under suitable design conditions.
• Stays resilient within a wide temperature range.
• Excellent resistance to water, oils, grease, most solvents, mild acids and alkalis.
• Tenacious adhesion to concrete, metal, wood, glass, stone, ceramic and masonry surfaces in any combination, typically without the need for priming.
• Effective under constant immersion or saturated conditions, when suitably primed.
• USDA acceptance (NS grade only).