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SpecChem Max-A-Seal DP

SpecChem Max-A-Seal DP

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Non-fibered emulsion coating & air/vapor barrier system

Max-A-Seal DP® is a Non-Fibered Emulsion Coating designed according to ASTM D1227, Type III specification. This asphalt emulsion coating is formulated to provide excellent damp-proofing and vapor barrier properties, making it suitable for various applications. It is available in fibered, non-fibered, and trowel-grade versions to suit different application needs.

  • Suitable as a protective coating for asphalt, metal, wood, and masonry surfaces.
  • Zero VOC content, making it environmentally friendly and compliant with ICF forms.
  • 50% solids content, ensuring a robust application.
  • Resists water penetration while allowing moisture vapor to escape.
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Application

  • Surface Preparation:Must be applied to a dry or damp surface free from foreign matter. Can be applied to “green” concrete.
  • Application Rate:40 ft²/gal for a 40 mil wet film or up to 100 ft²/gal, depending on the application.
  • Double Coating:Recommended for tie seams.
  • Equipment:Can be applied using a Graco GH833 Siphon Pump, 1/2” hose, Blue Texture Spray gun, and a GHD 661 Spray Tip, or comparable equipment. Remove the in-line filter when using.
  • Temperature Conditions:Apply when surface and air temperatures are at 45°F and rising.

Packaging

Available in 5 gallon pails (18.9 L), 55 gallon drums (208.2 L), and 275 gallon tote (1,041 L).

Shelf Life

Shelf life is 1 year from the date of manufacture when stored in the original, tightly closed container.Do not store at temperatures exceeding 110°F.

Test Data

  • Solids (%):50±3% minimum by weight (ASTM C1250)
  • Density:8.1 lbs/gal ±4 (0.92 G/cm²)
  • Application Methods:Airless spray, brush
  • Cure Time:424 hours
  • Dry Time:30 minutes
  • Elongation:500% average
  • Adhesion to Concrete:Excellent
  • Low Temperature Flexibility:Remains flexible to 10°F
  • Water Vapor Permeance:5.5 Perms
  • Air Permeability (ASTM E2178):0.00159 L/s/m² at 75 Pa
  • Liquid Water Absorption:0.5% by weight
  • Resistance to Degradation:Excellent against bacterial, algal, and fungal attacks
  • Resistance to Chemical Attacks:Highly resistant to acids and salts
  • Re-emulsification:None