
RectorSeal Metacaulk 150+ Firestop Sealant, 10.3 oz
RectorSeal Metacaulk 150+ Firestop Sealant, 10.3 oz The RectorSeal Metacaulk 150+ Firestop (10.3 oz) is a high-performance firestop sealant designed for use in commercial and residential construction. It is UL classified, ASTM E 814 (UL 1479) listed, and has been approved for use in over 100 fire-rated assemblies, making it a highly compliant and reliable option for firestopping. All systems rated for up to 4 hours and prevents spread of flames/smoke/hot gases/water. The Metacaulk 150+ is a one-component, gun-grade, elastomeric sealant that can be used to seal around electrical boxes, cables, and pipes to help prevent the spread of fire. RectorSeal Metacaulk 150+ Firestop (10.3 oz) Features: Water-based and non-sag and VOC compliant. Protected in wet and dry stages against mold growth with a combination of biocides. High-performance firestop sealant for commercial and residential construction Tested and approved to meet fire-rated assemblies Use in interior applications as general