Dura-Seal 24 is the best exterior masonry primer. Allows you to prime a hot masonry surface after 24 hours. That’s 6 to 28 days sooner than competitive products. Dura-Seal 24 helps projects last up to 20 years.
Dura-Seal 24: Concrete & Masonry Primer adheres to all masonry and concrete surface after the substrate has cured for 24 hours. It will adhere to high pH level 13, and moisture content of 20%, allowing you to prime and top-coat much sooner than any other primer on the market.
Mad Dog Dura-Seal 24 is for new, peeling or weathered masonry surfaces. Extreme sun, rain, heat, cold, humidity & salt air formula.
Features:
- Adheres to high pH masonry and requires only a 24 hour concrete cure time
- Ideal for sealing and conditioning above grade masonry substrates with weathered chalky surfaces, as well as green masonry with high pH balances
- Save time and money by priming sooner than other masonry primers
- Penetrates, seals and encapsulates masonry surfaces
- Prevents peeling caused by efflorescence and salt damage
- Mold and mildew resistant
- Use on: concrete, block, stucco, brick, plaster, fiber cement siding, and weathered, chalky substrates where paint has difficulty adhering.
Specifications:
- Available in gallons, and fives
- 40% solids by volume
- 200% elongation
- 320 sq ft per gallon @ 2 mils dry (5 mils WFT)
- Interior/Exterior above grade use
- Apply by brush, roll, or spray
- Back brush for best results
- Re-coat time: 1-2 hours
- Dries white and tacky to the touch
- 300 + PSI adhesion
- 100% Acrylic latex formula
- Soap and water clean-up
- <48 g/L VOC