Metacaulk 950 is a 1-part fire-rated sealant for through-penetration firestop systems. Prevents flames/smoke/gas/water moving through penetrations. Systems rated for 1, 2 & 3 hrs. according to ASTM E 814 (UL 1479) & ULC CAN 4-S115M test standards.

Features

• Inorganic and has No Volatile Solvents- useful when installing in confined spaces or occupied areas, and VOC compliant and Protected in both wet/dry stages against mold growth with a combination of biocides.
• A single component penetration sealant system, no mixing or special skills necessary & no required additives.
• D.O.T. Classification is Not Regulated.
• Applied with a conventional caulking gun, trowel or with pumping equipment. An easy installation sealant with water cleanup capabilities. Non-slumping & forms a hard retrofittable surface.
• Forms a hard char, Formulated with incombustible inorganic materials & won’t create smoke or toxic gases, and Does not have Asbestos Fillers. Resistant to chemical exposure.