Build Smarter, Build Better

Build Smarter, Build Better

Expert-backed building envelope solutions and high-performance products to optimize every construction project.

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.