Sika Duoflex NS 1.5 Gal

Sika Duoflex NS is a two component, non-sag, premium quality polysulfide sealant, specifically designed for vertical and overhead surfaces.

Uses
Sika Duoflex NS is suitable for either exterior or interior use to seal both static and dynamic joints
Joints in precast concrete
Joints in and around swimming pools
Joints within primary and/or secondary containment areas
Joints in glass and metal curtain wall construction
Expansion and control joints in concrete and masonry walls and ceilings
Joints in metal siding
Perimeters of aluminum window frames and metal panels
Joints located in gas station and refueling environments

Tough, elastic, rubber-like seal. Remains flexible with expansion and contraction of building component without adhesive or cohesive failure, based on good joint design. 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 with Sika Duoflex Primer-5050. Effective under constant immersion or saturated conditions, when suitably primed with Sika Duoflex Primer-5050.