TESCON EXTOSEAL®
Sill Tape
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 | Regulation | Value | Regulation |
| Colour | Butyl rubber: grey; film: black | ||
| Surface weight | EN 1849-2 | Approx. 1.9 kg/m² | EN 1849-2 |
| Thickness | EN 1849-2 | Approx. 1.1 mm | EN 1849-2 |
| Vapour resistance (MVTR) | ASTM E96 Procedure B | > 500 MN.s/g | ASTM E96 Procedure B |
| Resistance to UV exposure | 180 days | ||
| Application temperature | ‑10 °C to +35 °C | ||
| Temperature resistance | Permanent ‑20 °C to +80 °C | ||
| Storage | Cool and dry | ||
