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3M 1003SL Silicone Sealant 4.5 gal

Brand: 3M Mfg#: 98040052817
Product#: 4793M10035G
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Self-leveling, ready-to-use, single component, neutral cure, elastomeric silicone firestop that also acts as a barrier to water leakage and airborne sound transmission.


  • Firestop tested up to 3 hrs in accordance with ASTM E 814 (UL 1479) & CAN/ULC S115
  • Excellent adhesion
  • Self-leveling, Halogen-free formula
  • Excellent weatherability during construction
  • FGG/BM system CPVC compatible
  • Perimeter Fire Barrier tested up to 3 hr in accordance with ASTM E 2307
  • Helps minimize sound transfer
  • Meets UL Water Leakage Test, W Rating - Class 1 requirements
  • +/- 31% compression/extension capability
  • Applied with conventional caulking equipment (excellent caulk rate)
  • Fire Resistance tested for construction joint systems in accordance with ASTM E 1966 (UL 2079)
  • Re-enterable/repairable


  • Brand: 3M
  • Type: 1003 SL
  • Physical Form: Paste
  • Color: Light Gray
  • Chemical Compound: Silicon
  • Temperature Range: -51 TO 149 deg C
  • VOC: Lesser than 35 g/l
  • Container Type: Pail
  • Cure Time: 3 hr
  • Standards: ASTM E2307/E814 (UL 1479)/E1966 (UL 2079), RoHS Compliant