System Depth (Frame):
70 mm (with 70 mm sash depth for highly balanced structural stability and energy efficiency)
Max Width / Height:
Overall width up to 4000 mm (13 ft) / Single sash up to 900 mm x 2400 mm
Glazing (Triple Pane):
Up to 40 mm (perfectly supports double and energy-saving triple glass packages for enhanced insulation)
U-Value ($U_f$):
1.3 $W/(m^2K)$ (U-Factor: 0.23 — elite thermal protection for multi-chamber vinyl folding doors)
Air/Water Tightness:
Air permeability: Class 4. Water tightness: Class 8A (reliable protection against heavy driving rain and wind gusts)
Zero Barrier:
Optional (Low-profile 20 mm aluminum threshold for barrier-free, seamless indoor-outdoor transitions)
A curated collection of ultra-durable solid matte tones and genuine wood grain textures designed to complement any architectural style.
Panoramic bi-fold doors are more than just an aesthetic choice. They are a high-yield investment in architectural flexibility, energy efficiency, and the long-term market value of your property for decades to come.
Seamless indoor-outdoor folding doors are a premier trend in modern upscale architecture, dramatically maximizing your usable living space and significantly boosting your home’s equity and resale value.
High-load internal steel reinforcement chambers inside the 70 mm PVC profiles paired with robust multi-point locking hardware deliver exceptional defense, keeping your home and family fully secure.
Certified Class 4 air permeability and a multi-contour EPDM gasket system block drafts, trap warmth inside, and protect against driving rain to maintain a perfect, cost-efficient indoor climate in any season.
Send us your architectural blueprint, sketch, or project photos. Within 24 hours, we’ll provide a detailed, no-obligation quote.
Custom-built in Europe to REHAU standards. We handle full cargo insurance and direct-to-site US delivery-no middlemen.
100% accuracy guaranteed. We conduct on-site laser measurements or guide your contractors via remote video consultation.
Professional installation by our certified US teams. Enjoy total peace of mind with up to a 15-year official warranty.
Send us your architectural blueprint, sketch, or project photos. Within 24 hours, we’ll provide a detailed, no-obligation quote.
100% accuracy guaranteed. We conduct on-site laser measurements or guide your contractors via remote video consultation.
Custom-built in Europe to REHAU standards. We handle full cargo insurance and direct-to-site US delivery-no middlemen.
Professional installation by our certified US teams. Enjoy total peace of mind with up to a 15-year official warranty.
Each sliding system is custom-engineered to your unique dimensions and architectural requirements. Get a free consultation and a detailed cost estimate for your project today.