STI SmokeBlock 136 Firestop Caulk

SmokeBlock Caulk is a non-combustible sealer that is used to fill the annular space around penetrants and along seams to openings throughout the entire building envelope. When installed properly, SmokeBlock will provide fireblocking as well as smoke and draft stopping in wood frame walls and floors.

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Product Description

Applications

SmokeBlock® Caulk is intended for use in wood frame walls and floors. Some local codes require the use of non-combustible fireblocking materials in openings around vents, pipes, chimneys, fireplaces, and general building seams to openings. SmokeBlock® can be used in construction such as one or two family dwellings. Any general building openings, as well as horizontal and vertical penetrations of the living unit envelope (indicated in blue below) must be sealed. 

Features & Benefits

  • Quality non-sag caulk
  • Water-based for easy clean-up
  • Light red for easy identification
  • Consistent quality – no shaking or mixing required
  • Adheres to wood and masonry building materials
  • Meets ASTM E136
  • Noncombustible
  • Non-halogenated
  • 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

STI SmokeBlock 136 Firestop Caulk Product Data Sheet

STI STI SmokeBlock 136 Firestop Caulk Safety Data Sheet

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