SMOKEBLOCK Caulk is a non-combustible gun grade sealer for fire blocking and draft stopping in wood frame walls and floors.
1 oz Ca.SMOKEBLOCK is designed for filling annular spaces around penetrants and along seams throughout the building envelope and is suitable for use in one or two family dwellings.•Water-Based for Easy Clean-up•No Shaking or Mixing Required•Adheres to Wood and Masonry•Quality non-sag caulk•Light red for easy Identification•Consistent quality - no shaking or mixing required•Noncombustible•Does not support flame or smoke•Does not shrink, warp, or melt for test duration•Safe, no solvents, no asbestos, no PCB’s, no inorganic fibers Smokeblock 136 Caulk Packed " 10. Not Suitable for Use in Fire-Rated Construction.