Slim Steel Look, High Performance
Sieger Lux TH+ bifold doors combine slim aluminium frames with high thermal performance. The system can be specified as a contemporary or steel-look design, with integral glass divides and a traditional lock block where required. Bottom-running free-glide carriages and concealed running gear give smooth operation, while an 8-point locking system with a 3-star diamond cylinder delivers PAS 24 security.
Sightline: 84mm glass-to-glass hinge stile sightline
Thermal Insulation: Uw values from approx. 0.78–1.4 W/m²K
Security: PAS 24 Certified with 3-star diamond cylinder and 8-point multi-point locking
Max Size: Sashes up to 1.2m wide x 2.5m tall; up to 6 sashes per set; max set width 6m
Configurations: Bi-folding sets, single and French doors, open-in or open-out; standard or steel-look with integral glass divides
Weather Protection: Tested to BS 6375 with air permeability Class 4, water tightness Class 9A and wind resistance up to Class A3
Slim framing and large glass areas help create light, open interiors and smooth connections to patios, gardens or balconies. Where the structure allows, Lux TH+ bifolds can be used alongside corner openings for more expansive views.
Sieger® Systems are available exclusively by the IQ Group, bringing high quality European-engineered aluminium systems to projects across the UK.
If you need help specifying this product, our technical team can advise on details, performance and suitable configurations.
Every Sieger® Systems product is fabricated to order in our in-house facility, allowing close quality control and efficient lead times.
For more information about Sieger® Systems, Contact Us Now!
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