Two Component, Non-Sag, Polysulfide Sealant
Sika® Duoflex NS is a two component, non-sag, premium quality polysulfide sealant, specifically designed for vertical and overhead surfaces.
- Tough, elastic, rubber-like seal.
- Remains flexible with expansion and contraction of building component, based on good joint design.
- Stays resilient within a wide temperature range.