"Winter is moisture-proof, summer is moisture-permeable." It is a special airtight sheet that maintains airtightness throughout the year while allowing permeability to change according to the humidity conditions within the wall.
■Winter moisture-proofing, summer moisture-permeability While ensuring airtightness (not allowing air to pass through), in winter it functions like a regular moisture-proofing airtight sheet, preventing moisture from passing through, and in summer, when the interior of the wall becomes hot and humid, potentially leading to mold and condensation, it allows moisture to pass through, maintaining a good condition inside the wall throughout the year. In summer, moisture tends to move towards the interior due to temperature gradients, but if a regular moisture-proofing airtight sheet (PE sheet) is installed, the humidity between the insulation and the PE sheet can become extremely high. Particularly, immediately after construction, the structural elements and moisture released from the foundation concrete are significant, leading to increased humidity inside the wall and further raising the risk.
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basic information
VCL Smart® is a variable permeability and airtight sheet. It maintains airtightness at all times while having moisture-proofing properties equivalent to that of a moisture-proof sheet in winter, and demonstrates breathability similar to that of a breathable waterproof sheet in summer, thereby suppressing condensation and mold within wall structures. It can be installed using the same methods as regular moisture-proof airtight sheets. For more details, please refer to the catalog.
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Company information
Since our founding, we have valued partnerships with suppliers both domestically and internationally. To meet various customer needs, we contribute to the creation of rich urban landscapes through landscaping materials, including our own planned products, as well as functional and design products in construction. We believe that our role is to create highly designed products that prioritize safety and consider functionality, allowing them to be used with confidence in various settings.
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