York MaxSeal is a proprietary, self-adhering 14 mil composite membrane that provides a superior barrier to limit air and moisture transmission through masonry, curtain walls, construction joints and fittings, and around doors and windows.  Composed of :

• Tough high density polypropylene film – forming a resilient barrier to physical damage
• Butyl adhesive – providing the waterproofing effectiveness of traditional modified bitumen products, while introducing a novel combination of low temperature adhesion, high temperature stability, and a much more aggressive adhesion level
• Easy to remove release liner – allowing for quick installation

Key Properties

  • Butyl adhesive for superior adhesion to common building materials
  • Primerless self-adhering membrane– saves labor & material costs
  • Cross laminated poly facer for tear resistance
  • Meets AAMA 711-13 specifications for self-adhered flashing
  • Waterproof
  • Self seals around nails
  • Thin construction to avoid bulky build up in corners
  • Air and water tight seal
  • Non-staining, contains no asphalt
  • Storage temperature: 40°F to 90°F
  • Shelf life: 2 years

Uses / Benefits

  • Used to prevent vapor and air transmission
    through masonry, curtain walls, construction joints and fittings, and around doors and windows. Acceptable surfaces include plywood, lumber, precast concrete, exterior gypsum, OSB, PVC window flanges, metal, and concrete block.
  • Aggressively adheres to common building materials.
  • No special adhesives, heat or equipment are necessary to install York MaxSeal.

Available in Sizes

4", 6", 9" & 12" Widths
75' Lengths

Associated Products / Accessories