
HSW Flex Therm is a multi-functional moveable glass partition system offering reliable protection against wind and weather. Designed to provide flexible shop windows or business entrance, Flex Therm delivers high security with openness and transparent sightlines.
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A market-leading external moveable partition system that combines elegant design with outstanding functionality. Featuring impressive thermal performance and multi-lock security options, the robust framed glass construction provides proven protection against wind and weather, while optimised insulation ensures effective thermal separation.
Ideal for business entrances, restaurants and shopfronts, this refined yet straightforward system also offers versatile parking and stacking options, making it suitable for a wide range of semi-external and external applications.




Smooth and effortless manual operation
Safe and easy to use, with integrated multi-point locking and concealed door closers
Optimised thermal separation with double rubber lip and brush seals
Multiple stacking and parking configurations
Precision-engineered aluminium track system for near-silent operation
Optional floor guide and climate barrier functionality
The tables below outline the key technical specifications for the HSW Flex Therm range of folding walls. To learn more about the folding wall options or to discuss the best solution for your space, don’t hesitate to contact our team.
| Variflex | Variflex | Variflex | Variflex | Variflex | Variflex | Variflex | |
|---|---|---|---|---|---|---|---|
| Rw dB Rating | 38 | 46 | 49 | 52 | 55 | 57 | 59 |
| Panel Thickness (mm) | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Max height (mm) | 14,500 | 4,100 | 4,100 | 14,500 | 14,500 | 14,500 | 4,100 |
| Max Length (mm) | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
| Weight < 4100mm (kg/m2) | 30 | 31 | 40 | 40 | 48 | 48 | 56 |
| Weight < 14,500mm (kg/m2) | 38* | ■ | 45 | 52* | 52* | 59* | ■ |
| Available finishes | Various | Various | Various | Various | Various | Various | Various |
| Panel widths (mm) | 820 - 1250 | 820 - 1250 | 820 - 1250 | 820 - 1250 | 820 - 1250 | 820 - 1250 | 820 - 1250 |
| Minimum Void | 150 (Man) / 300 | 150 (Man) / 300 | 150 (Man) / 300 | 150 (Man) / 300 | 150 (Man) / 300 | 150 (Man) / 300 | 150 (Man) / 300 |
| Depth (mm) | (Fully Auto) | (Fully Auto) | (Fully Auto) | (Fully Auto) | (Fully Auto) | (Fully Auto) | (Fully Auto) |
Talk to us about your acoustic goals — we’ll help you design a solution that sounds as good as it looks.
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HBN 00-09 sets out these surface characteristics because unsealed joints are a recognised place for moisture and micro-organisms to collect. A genuinely joint-free edge is designed to address that specific detail.
This is a surface and edge specification, not a clinical claim. Zero-joint technology has not been evaluated or certified by NHS England, and does not claim to reduce infection rates.
Food-service and guest-facing areas are typically inspected under hygiene and housekeeping standards that look closely at surfaces and joints. A seamless, moisture-resistant edge is designed with exactly that kind of scrutiny in mind.
Every one of these sectors shares the same underlying surface problem: a bonded-strip edge is a seam, and a seam is a place where dirt, moisture or wear can concentrate in a way a continuous surface can't. Zero-joint technology addresses that one structural detail across offices, schools, healthcare and hospitality settings alike — one construction detail, one shared weak point removed, four sectors that each care about it for their own reasons.
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