Creating an airtight window connection for both internal and external sealing is essential for energy efficiency, comfort, and preventing drafts. There are various methods and materials you can use to achieve this. Here's a general guide on how to create an airtight window connection using foil or similar materials:
Materials and Tools:
Airtight foil tape or weatherstripping (e.g., adhesive-backed aluminum foil or EPDM rubber tape)
Caulk or sealant (for external sealing)
Utility knife or scissors
Cleaning supplies (e.g., rubbing alcohol or a mild detergent for cleaning surfaces)
Clean the Surfaces:
Before applying any sealing materials, make sure both the window frame and the wall around the window are clean and free from dust, dirt, and grease. Use a cleaning agent or rubbing alcohol to ensure a clean surface.
Material : Synthetic Fleece
Colour : White
Building Material Class (DIN EN 13501) : E
Impermeable to Driving Rain (DIN EN 1027) ≥ 1,050Pa
Air Permeability Coefficient (DIN EN 1026) a ≈ 0m3 /[h·m·(daPa)n]
UV Light Stability : Approx. 6 months
Compatibility with Adjacent Building Materials (internal test) : Requirements Fulfiled
SD-value Vapour Diffusion Permeability (DIN EN ISO 12572) : Depending on Avg Humidity 0.03m (vapour permeable) / 15m (vapour barrier)*
Temperature Stability Range : Approx. -40°C to approx. +80°C
Dimension Tolerance (DIN 7715 T5 P3) : Requirements Fulfiled
Handling Temperature Finishes A, A-G, B, C : Approx. +5°C to approx. +45°C
Handling Temperature Finishes FIX, COMPLETE & COMPLETE DUO: Approx. -10°C to approx. +45°C**
Shelf Life : 1 year (dry and in original packing)
Storage Temperature : +1°C to +20°C
Measure the gaps and cracks around the window frame on the interior side.
Cut the foil tape or weatherstripping to the appropriate length.
Apply the foil tape or weatherstripping to the gaps between the window frame and the wall. Ensure a tight seal by pressing the tape firmly against the surfaces.
For the external sealing, you can use caulk or sealant to seal gaps and cracks.
Apply a bead of caulk along the perimeter of the window frame where it meets the wall.
Use a caulking gun to ensure a uniform and airtight seal.
Inspect and Test:
After applying the sealing materials, inspect the window to ensure there are no gaps or areas that may need additional attention.
To test the effectiveness of your sealing, you can use a smoke pencil or an incense stick to check for any air leaks. Light the stick and move it around the window edges. If the smoke is drawn into or out of any area, you may need to reseal that section.
Airtight seals can degrade over time due to weather, temperature changes, and settling of the building. Check the seals periodically and replace or reseal any damaged or deteriorated sections.
Finish A : SK single side self-adhesive with 1 self-adhesive strip on the fleece side
Finish A Sizes: 70, 90, 145, 180, 235, 290mm
Finish A-G : SK-GT single side self-adhesive with 1 self-adhesive strip on the fleece side + 100mm mesh
Finish A-G Sizes: 60, 90mm
Finish B : SK-BT Mono single side self- adhesive with 1 self-adhesive strip and 1 butyl-adhesive strip on the smooth foil side
Finish B Sizes: 70, 90, 145mm
Finish C : SK-BT Mono single side self- adhesive with 1 self-adhesive strip and 1 butyl-adhesive strip on the smooth foil side
Finish C Sizes : 70, 90, 145mm
Finish FIX : 2SK-GT double-sided self-adhesive, 2 self-adhesive strips (window moun- ting) on the fleece side and 1 special adhesive strip (wall mounting) on the smooth foil side + 10 mm mesh
Finish FIX Sizes: 100mm, 140mm
Finish Complete : Full surface adhesive finish with a 2-way or 3-way split liner
Finish Complete Sizes: 70, 100, 140, 200, 290mm
Finish Complete DUO : full surface adhesive finish with a 2-way or 3-way split liner and 1 self-adhesive strip (window mounting)
Finish Complete DUO Sizes: 70, 100, 140, 200, 290mm
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