Metacaulk 835+ Firestop Silicone Sealant

Metacaulk 835+ is a 1-component, fire-rated elastomeric silicone sealant for through penetration firestops. Prevents flames/smoke/gas/water spreading through penetration openings. Silicone based - use in systems where dynamic movement is expected.

  • STC rating 55 as well as FBC System Compatible- indicates that product has been tested, and is monitored on an ongoing basis to assure chemical compatibility with FlowGuard Gold, BlazeMaster and Corzan pipe and fittings.
  • A single component penetration sealant system - no mixing or required additives needed.
  • Flexible and non-slump formula. Neutral, moisture cure and low odor. Excellent moisture resistance. Protected in wet & dry stages against mold growth with a combination of biocides.
  • D O T Classification is not regulated.
  • Use in interior or exterior expansion, contraction and control joints. Use in exterior and interior penetrations. Available in 2 grades: caulk grade & self-leveling. Applied with a conventional caulking gun, trowel or with pumping equipment.

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Seals wall/floor penetrations for electrical, plumbing & telecomm systems. Prevents spread of fire through fire-rated gypsum wallboard partitions, concrete block or concrete walls/floors. Self-leveling used for curtain wall & floor joint applications

More Information
Brand : Metacaulk
Performance Our on-site fire test laboratory is designated under the UL Witness Test Data Program (WTDP), allowing for thorough product development, direct testing and advanced response to customer needs for UL Listed systems.
Versatility Metacaulk systems offer a holistic approach to firestop applications and where field conditions differ, Metacaulk can support with structured engineered solutions.
COST SAVINGS Metacaulk products & systems offer major advantages for the installer with economical and reliable solutions.

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