Metacaulk® 1200 Firestop Sealant

Metacaulk® 1200 Firestop Sealant


  • Extremely flexible cure
  • Excellent dynamic movement characteristics
  • Excellent Freeze-thaw
  • STC rating 65
  • UL Classified up to 4 hrs
  • Mold inhibitor tested to ASTM G21
  • 3 year shelf life
  • Download Image Caulk Group
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Product Description

Metacaulk® 1200 is a single component, highly elastomeric water based firestop mastic for general construction gaps and voids. Metacaulk 1200 caulk grade is a non-sag sealant that is easy to apply from a caulk gun or troweled. It cures to an elastomeric membrane seal that is suitable where dynamic movement is expected. Can be applied to horizontal and vertical surfaces for interior and covered exterior application that cures to a paintable elastomeric membrane seal. Application temperature 40°F to 120°F.

Tested to ASTM E 1966 (UL2079, CAN/ULC S115, ASTM E 814 (UL 1479) & ASTM E1399

FBC System Compatible indicates that this product has been tested, and is monitored on an ongoing basis, to assure its chemical compatibility with FlowGuard Gold®, BlazeMaster® and Corzan® pipe and fittings. FBC, FlowGuard Gold®, BlazeMaster® and Corzan® are licensed trademarks of The Lubrizol Corporation.

Product Codes And Case Sizes
Product CodeSizeQuantityUPCInterleavedDimensionsCubic Feet
66292 20.2oz Sausage Pk. 12 021449662925 10021449662922 9x14x7 .51
66015 30oz cartridge 12 021449660150 10021449660157 11x9x17 .97
66387 5 Gallon Caulk Grade 1021449663878 NA13 diax14 1.08
66525 30 oz Cartridge12021449665254 10021449665251 11x9x17 .97
663865 Gallon Caulk Grade 1021449663861NA13 diax141.08
6629420.2 oz caulk grade white 12021449662949100214496629469x14x7.51