Description

Spec Sheet

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.

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.

Application

• 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. Non-Slump formula used in vertical/horizontal settings.

Recommended Use

• EMT, Insulated and uninsulated steel pipe, Construction and control joints, Expansion joints