Nuflex is a one-component, non-combustible caulk. It meets ASTM E-136 Requirements designed to resist high-temperatures and smoke in non-rated construction.
Product Features
NuFlex 136 has been tested and meets the American Society for Testing Materials ASTM E-136
Mixture was lumpy…. So was very difficult to maintain a bead. In turn, it was very sloppy to work with.
Mike S.
Chester, NH
3 years ago
Verified Buyer
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