Description

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.

Key Features

• 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.