TOSTEM

TOSTEM is a Japanese brand of aluminium windows and doors, part of LIXIL Corporation. Key product features include:

• TEXGUARD Technology — Patented coating providing scratch resistance and protection for up to 40 years
• Hybrid Windows — Combining aluminium (strength/durability) with PVC (insulation) for optimal performance across seasons
• Frame-in Structure — Maximizes glass surface area while improving insulation
• Smart Light Structure — High-performance five-layer glass for insulation with reduced weight
• Pre-engineered System — Window-in-a-box concept with EPDM coatings and rubber gaskets for error-free installation
• Superior Weather Resistance — Designed to handle Japan’s extreme seasonal variations, including typhoons and temperature swings
• Award-winning Design — Red Dot, iF, and German Design Awards

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