Cure & Seal 309

Grip-Rite® Cure & Seal 309 water-based concrete sealants are designed to cure, seal, and dust-proof freshly laid concrete, and increase durability and stain resistance of existing concrete surfaces. These products are non-yellowing, dry rapidly and meet ASTM C309 standards. Clear sealant is suitable for interior/exterior use, and our new white sealant is formulated for exterior applications.

  • Available in clear and white
  • Easy application
  • Low odor
  • Water cleanup
  • Contribute to LEED points
  • Use both products on:
    • Newly poured concrete
    • Hardened concrete
LITERATURE MSDS - White MSDS - Clear
  • Cure & Seal 309
  • Cure & Seal 309

Description SKU Bucket Application ASTM C309 VOC Compliance Buckets/ Pallet
Concrete Sealant
Cure & Seal 309 - Clear GRC309CS 5 gal. Interior/Exterior Type 1, Class A & B <50 gL 36
Cure & Seal 309 - White GRW309CS 5 gal. Exterior Type 2, Class A <10 gL 36
Grip-Rite's color-coded packaging and point-of-purchase materials help you to select the optimal fastener for your project:
Blue - Roofing & Siding Gold - PrimeGuard Plus® Gray - PrimeGuard™
Green - Outdoor Construction Orange - Drywall – Orange Purple - Specialty Screws
Red - Drywall – Red Silver - PrimeGuard MAX® Stainless Steel Yellow - General Construction