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.
- A single component penetration sealant system - no mixing or required additives needed.
- Weather/Chemical resistant
- Use in interior or exterior expansion, contraction and control joints
- Use in exterior and interior penetrations
- Neutral, moisture cure
- D O T classification is not regulated
- Non-slump formula- caulk grade
- A special purpose firestop sealant
- Safe and easy to use
- 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.