Metacaulk® 1000 is a single component, general purpose fire rated sealant and smoke seal for construction joints and through penetrations. Metacaulk® 1000 is a water based, extremely intumescent, non-sag caulking grade sealant that is easy to apply. It cures to an elastomeric seal that is suitable where dynamic movement is expected. In the event of a fire, Metacaulk® 1000 will prevent the spread of flames, smoke, hot gases and water through joint openings and through penetrations. Metacaulk® 1000 systems are rated for 1, 2, 3 and 4 hr in accordance with the ASTM E814 (UL 1479), ASTM E1966 (UL 2079) and CAN/ULC-S115 test standards. Metacaulk® 1000 is protected in a wet stage as well as in a dry stage against mold growth with a combination of biocides tested to ASTM G21 standard testing for mold and mildew growth resistance.

RectorSeal® Metacaulk® 1000 Intumescent Firestop Sealant, 10.3 oz Net Content, Cartridge Container, Paste Form, Red, Mild Odor/Scent, 30 min Dry Time, 3 to 4 weeks Curing Time, 6.5 to 7 pH, 1.25 Specific Gravity, 212 deg F Boiling Point, <10 g/L VOC, 3 years Shelf Life

• UL classified systems up to 4 hr
• High intumescent
• Excellent freeze-thaw
• STC rating 62
• 17 mm Hg at 68 deg F vapor pressure

• SDS https://assets.unilogcorp.com/267/ITEM/DOC/RectorSeal_66640_SDS.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/RectorSeal_66640_Specification_Sheet.pdf