Metacaulk® Firestop Sealant, Elastomeric, Series: 835+, Pail, 5 gal, Silicone Base, Composition: Amorphous Silica, Ketoxime Silane, Calcium Carbonate, Carbon Black, Titanium Dioxide, Liquid, 15 min Drying, Fire Rating: Up to 4 hr, 21 days Curing, Gray, Odor/Scent: Mild, 40 to 90 deg F, 1.31 to 1.33 Specific Gravity, 25 g/L VOC, Flammability: 2, Applicable Materials: Concrete, EMT, Gypsum, Metal and Insulated/Uninsulated Steel Pipe
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.
ASTM C920|ASTM E84|ASTM C1299|cULus Listed|FBC System Compatible|FM Approved|US Green Building Council|UL 723|STC rating 55
Applicable Materials
Concrete, EMT, Gypsum, Metal and Insulated/Uninsulated Steel Pipe
Base Type
Silicone
Color
Gray
Composition
Amorphous Silica, Ketoxime Silane, Calcium Carbonate, Carbon Black, Titanium Dioxide
Container Size
5 gal
Container Type
Pail
Curing Time
21 days
Drying Time
15 min
Fire Rating
Up to 4 hr
Flammability Rating
2
Form
Liquid
Odor/Scent
Mild
Series
835+
Specific Gravity
1.31 to 1.33
Temperature Rating
40 to 90 deg F
Type
Elastomeric
VOC Content
25 g/L
Brand
Metacaulk®
Country of Origin
CA
Warranty
Limited
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 fittingsA single component penetration sealant system, no mixing or required additives neededFlexible and non-slump formula and neutral, moisture cure and low odor, excellent moisture resistance and protected in wet and dry stages against mold growth with a combination of biocidesDOT classification is not regulatedUse in interior or exterior expansion, contraction and control joints and use in exterior and interior penetrations and available in 2 grades caulk grade and self-leveling, applied with a conventional caulking gun, trowel or with pumping equipmentWeather/chemical resistantExcellent moisture resistance