T-Flex Indoor Prefold
T-Flex Indoor Prefold is a diffusion-tight construction tape for indoor use, specifically designed for taping between vapor barrier/vapor brake and window/door frames or other applications where taping in a corner is required. The product is also type-approved. The tape is made of co-polyethylene, reinforced with polyester threads, and coated with an aggressive acrylic adhesive. A protective film with silicone serves as adhesive protection. The materials used are free from toxins and solvents.
User Benefits
- Saves time during assembly
- Pre-weight at the right measure
- White tape
- Easier to perform corner taping
Benefits for construction sellers/buyers
- Optimal for internal sealing of windows
- Make it easier to mount correctly
- Total solution – faster, cheaper, and easier with pre-weight
Benefits for sustainability manager
- A more efficient product that optimizes air tightness/energy losses
- Less waste - one less release liner
- Easier assembly – less waste
Application Area
T-Flex Indoor Prefold is used as moisture and airtight sealing tape indoors. Specifically designed for taping between vapor barrier/vapor retarder and window/door frame or other applications where taping in a corner is required.
Harmful moisture and vapor are prevented by the tape from being transported out or into sensitive building parts (prevents convection and diffusion). In a system installed for the inner part of the climate screen, the tape counteracts energy losses (heat leakage) in insulated constructions.
The product has a 30-year warranty.
Installation
The tape is always applied to the surface with firm and strong thumb or finger pressure. Post-processing is preferably done with a roller or plastic spatula. See the applicable installation instructions.
Approval
T-Flex Indoor Prefold is type-approved and tested for aging resistance (SPCR 031) conducted by RISE (Research Institutes of Sweden).
Important!
- Note that movements in the substrate should be minimized for optimal durability and test the adhesion on the substrate before installation.
- The surface should be clean (consider surface treatments), grease-free (silicone-free), dry, and smooth. Follow the recommended working temperature for best results.
- Do not stretch the tape too elastically as it will always try to return to its original shape and width.
- Consider forces and movements in the underlying foil (or membrane). Especially free-hanging and non-fixed substrates where temperature fluctuations (e.g., temporary higher temperatures during construction) can create tensions and movements in the tape joint due to the influence of self-weight!
- Ensure that the base is properly secured and fixed according to the accompanying installation instructions or reinforce the taping (support tape, wider tape) corresponding to the additional load that may occur!
- When assembling in lower temperatures, the tape should be stored in a warm storage before assembly for the best assembly results.
- When taping at lower temperatures: The tape will achieve its final strength when the temperature is above
+5°C. The assembly and application against the substrate should be compensated with higher pressure! - In general, tape applications should be free from tensile stress. This should be particularly considered at low
processing temperatures. - To ensure age resistance, the tape should be stored or installed in the operating environment protected from sunlight (UV radiation) and not exposed to temperatures above +35°C.
- For identification, always tape up the first piece with the label visible!
Articles
- Name Art.nr Specification
Technical specification
- Material: Polyethylene film with polyester mesh reinforcement and modified acrylic adhesive. Protective film with silicone, which is removed during installation.
- Length: 25 m
- Width: 60 mm (12/48)
- Thickness: 0.28 mm
- Color: White with light gray print
- Temperature range: -40°C to +110°C
- Recommended working temperature: +5 °C to +25 °C
- Lowest possible working temperature: 0 C°
- Waterproofness: Tight/high
- Vapor tightness: Diffusion-tight
- Aging resistance: At least 50 years
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