Window tape with Double Slit in Liner 12/63/75mm Int/Ext

Ampacoll XT 150 is a high performance acrylic adhesive tape with a split paper liner, designed for airtight and windproof sealing in demanding construction environments. With its extra wide 150mm format, it is the ideal solution for securely sealing large overlaps, joints, ridges, and penetrations in roof and facade systems.

Built with a permeable, tear resistant Tyvek carrier, Ampacoll XT 150 combines outstanding  durability with strong, long lasting adhesion - even at temperatures as low as -5 °C. It is robust, dimensionally stable, and can be plastered over for a clean, professional finish.

Key Features

• Extra Wide 150mm Format - Perfect for sealing large overlaps, ridges, hips, grooves, and penetrations.
• Double Slit Liner - Split release paper enable easy, staged application for fast and precise installation.
• Strong and Immediate Adhesion - High performance acrylic adhesive bonds instantly and securely, even in cold conditions.
• Permeable Tyvek Carrier - Water resistant, vapour open, and rot proof for long term protection.
• Extremely Durable - Tear resistant and stable, ensuring lasting airtight and windproof performance.
• Plasterable Surface - Can be plastered over without compromising adhesion.
• Weather Resistant - Withstands up to 4 months of outdoor exposure before final covering.

Installation Guidelines

• Apply only to clean, dry, and dust free surfaces.
• Use the double slit liner for staged fixing, ensuring precise application and strong bonding.
• Avoid mechanical damage to sealed joints (e.g. dragging tools across applied tape).

Applications

• Airtight and windproof taping of roof and facade overlaps.
• Sealing of large joints, ridges, hips, and grooves.
• Secure masking around injection holes, thresholds, and repair sites.
• Designed for energy efficient and passive house construction.