Sill Tape

TESCON EXTOSEAL®

Advantages

  • Excellent UV resistance (180 days exposure)
  • Long-term durability
  • Self-sealing around nail and screw penetrations
  • Excellent adhesive strength
  • Weathertight & airtight component of your WRB

Areas of application

TESCON EXTOSEAL® sill tape is a flexible flashing tape for use around framed joinery openings as part of flexible or rigid Weather Resistive Barrier (WRB) systems. TESCON EXTOSEAL® provides a windtight and watertight adhesive seal to the substrate forming a weathertight sill to drain water safely to the outside.

Technical specs

  Material
Backing Elastic PE carrier film
Main component Butyl rubber modified with acrylate
Release film Silicone-coated PE film
Property Value Regulation
Colour Butyl rubber: grey; film: black
Surface weight Approx. 1.9 kg/m² EN 1849-2
Thickness approx. 1.1 mm EN 1849-2
Vapour resistance (MVTR) > 500 MN.s/g ASTM E96 Procedure B
Resistance to UV exposure 180 days
Installation temperature -10 °C to +35 °C
Temperature resistance permanent -20 °C to +80 °C
Storage Cool and dry