Emseal AST Hi-Acrylic Metal Roof Sealant is a self-adhering foam tape impregnated with water-based acrylic-modified asphalt emulsion


Emseal AST Sealant Highlights

  • It is an excellent alternative to butyl tape & open-cell polyurethane foam strips
  • Will not dry out and become hard and brittle
  • UV-stable
  • Highly resistant to bugs and vermin
  • Will not extrude from between joints like caulk or butyl tapes
  • Conforms to contours and fills gaps
  • Maintains a seal during thermal expansion and contraction of building
  • panels
  • Excellent compressibility and recovery (minimal compression set)
  • Good thermal and sound insulator
  • No shrinkage or blow-out due to closed-cell breakage
  • Supplied with self-adhesive on one side. After removal of packaging,
  • material begins gradual expansion – more slowly in cold weather than in hot.

Emseal AST Hi-Acrylic Details

  • 1″ x 1/4″ expanded size – 1″x1″

    3/8″ x 1″ expanded size – 1 1/2″ x 1″


Product Information
  • Base Material – Open Cell, High Density, Polyurethane Foam
  • Impregnation – Acrylic-modified Asphalt
  • Color – Black
  • Tensile Strength – 21 PSI MIN (145 kPa)
  • Elongation – Ultimate – 150% MIN