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Airtight T

Airtight-T is a vapor-permeable tape with a barrier equivalent to a windproof layer. The vapor-permeable property is combined with good air and water sealing performance. The underside is coated with a pressure-sensitive and aggressive acrylic adhesive. In two or alternatively three sections, the adhesive is protected by easily removable protective films for smoother installation. The tape has UV-resistant (sunlight) properties equivalent during the construction period. It also adheres to, for example, alkaline surfaces like concrete.

Diffusion-open and waterproof
Adhesive that works in low temperatures
Split protective film that simplifies installation
Adheres to many surfaces such as concrete, plaster, and windproof board

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Application Area

The primary use of Airtight-T is as an air and water-tight sealant. It is used on facade details or frames that are initially exposed fully or partially during construction but will be permanently protected by the outermost facade cladding once the construction is completed. Sealing details around windows and doors against the frame or frame joints in general are typical areas of use. The tape adheres to surfaces such as concrete, wood, windproof fabrics, windproof boards, and metal, among others.

Installation

Installation is done on dry and cleaned surfaces. Loose particles should be removed and uncertain difficult surfaces like porous substrates should be pre-treated with a suitable primer (e.g., acrylic-based). Installations on wet, frosty, or icy surfaces should be completely avoided! Application is done with pressure along the entire tape surface against the substrate. Installation can be done at low temperatures down to about -10°C. However, the requirement for precision increases, as do the risks of the substrate having frost or ice formation! For detailed installation, see separate installation instructions!

Approval

Testing of aging resistance and adhesion has been performed by RISE corresponding to IQD128 (SP 5138/EN 12114) for adhesion (at least 25 years) with Airtight-T on wind protection fabric T-Wind.

Important!

Test the adhesion on the surface before installation.
Always clean the surface before application.
If necessary, prime/treat the surface if it is more porous or if there are adhesion problems.
Avoid taping on icy, frosty, or damp surfaces entirely.
The tape should be stored in a warm place before installation in cooler weather.
To ensure aging resistance, the tape should be stored in a dry environment and protected from sunlight (UV radiation) at a maximum temperature of +32°C.
The product must be fully enclosed during the usage stage. Maximum external UV exposure during construction is 3 months.
Any potential future movements in the substrates should always be considered before application! Reduce the risks or adjust the adhesion of the tape bandage and/or increase the tape bandage's
width.

This product is part of TESHELL® and is covered by our warranty program. Read more here

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Specification

Technical specification

Material: Black nonwoven fleece, polypropylene barrier with special adhesive (acrylic), split protective film (60 mm 25/35, 75 mm 25/50, 150 mm 25/50/75, 200 mm 25/75/100).
Surface weight (min): 400 g/m²
Length: 25 m
Width: 60mm, 74mm, 150mm, 200mm
Vapor tightness: < 3200 s/m (Sd= 0,08m)
Air Permeability: Dense
Waterproofness: Class W1
Fire reaction: Class E
Exposure/UV protection: 3 months
Aging resistance: Very good
Temperature range lowest: -40 °C
Temperature range highest: 80 °C
Recommended installation temperature: +5°C to +40°C
Lowest possible installation temperature: -10 °C