
What Our Customers Say
★★★★★
“The airtightness tapes and membranes from 475 are essential for my Passive House projects. Unbeatable quality.”
M
Marcus R.
★★★★★
“Excellent technical support and fast shipping. Their high-performance building materials made our retrofit remarkably efficient.”
E
Elena D.
★★★★★
“Finally a supplier that understands building science. The Pro Clima products are game-changers for moisture control.”
J
Julian K.
Why Choose Us
10,000+
Happy Customers
500+
Products
50+
Countries
Why Choose Us
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Unmatched Airtightness
Premium membranes and tapes for peak building efficiency.
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Ecological Materials
Sustainable solutions for healthy, low-carbon residential construction.
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Expert Guidance
Professional technical support for high-performance building projects.
Explore High Performance Solutions
Build Better With High Performance Materials
Upgrade your home project with sustainable solutions designed for ultimate comfort and efficiency.





