Business Details
Expert Windows, Doors & Conservatories in Haslemere
Kalglass specialises in the design, manufacture, and installation of high-quality windows, doors, conservatories, and bespoke glass solutions. Established in Haslemere, our team combines technical expertise with craftsmanship to deliver tailored products for residential and commercial clients across southern England. We offer a comprehensive range of aluminium, UPVC, and composite systems, including energy-efficient sealed units, bi-folding doors, and curtain walling, all engineered to meet exacting standards. Our commitment to innovation is demonstrated through advanced thermal break technologies, CE-certified materials, and partnerships with industry-leading manufacturers like Saint-Gobain.With rapid production timelines and nationwide delivery options, we prioritise client satisfaction through precision engineering, competitive pricing, and technical support from initial design to final installation. Our factory-trained specialists ensure every project meets architectural specifications while maintaining compliance with current building regulations.
Services
Aluminium windows
Bi folding doors
Curtain Wall System
Glass Sealed Units
Glass Balconies
Composite doors
Roller shutters
Mosquito Net
Orangeries
Timberlook Windows
Highlights and features
- Factory-trained specialists with 20+ years in architectural glazing
- CE-certified thermal break systems for energy efficiency
- Next-day priority glass production service available
- Nationwide delivery direct to construction sites
- Bespoke designs meeting exact architectural specifications
Associations and certifications
- CE-compliant
- Kitemark approved
- ISTEDIL Institute
Services
Aluminium windows
Our aluminium windows combine slim profiles with thermal efficiency through polyamide break technology. Available in casement, tilt-and-turn, and heritage designs, they feature multi-point locking systems and double-glazed units. The 67mm sash width accommodates 28-44mm glazing while maintaining weather resistance up to 150Pa pressure differential.
Bi folding doors
FD4600 bi-folding systems offer seamless indoor-outdoor transitions with minimal thresholds (24mm option) and 3m height capacity. Each leaf supports 120kg weight with smooth roller mechanisms, enabling configurations up to 14 leaves. Thermal performance reaches Uf 2.1 W/mK through 30mm polyamide insulation.
Curtain Wall System
EW50 curtain walling provides structural integrity for commercial buildings with visible grid designs (Standard), concealed aluminium frames (Structural), or hybrid Linear configurations. Certified by ISTEDIL Institute, it integrates shading systems while maintaining U-values down to 1.8 W/mK for energy-efficient facades.
Glass Sealed Units
Manufactured on-site using Saint-Gobain glass, our sealed units feature dual spacer bars and argon gas fills for enhanced insulation. Available in custom shapes with leaded light patterns or Georgian grids, they carry 5-10 year anti-misting guarantees and comply with BS-EN 1279 standards.
Glass Balconies
Crystal Line glass balustrades use 16-20mm toughened glass panels with aluminium side covers for easy replacement. Available in In-floor, On-floor, and External configurations, they meet UNI EN 10807 safety requirements and offer optional circular or oval top rails in custom finishes.
Questions
What types of windows do you manufacture?
We produce aluminium, UPVC, and timberlook windows with thermal break systems, including casement, sliding, and heritage-style designs.
Do you supply custom-sized glass units?
Yes, we manufacture made-to-measure sealed units with options for Georgian bars, decorative finishes, and safety glazing.
Are your products energy efficient?
All systems meet current thermal performance standards with U-values down to 2.1 W/m²K for bi-folding doors.
Can you install glass balustrades?
We provide Crystal Line glass balustrades with multiple top rail options, compliant with UNI EN 10807 safety regulations.
Do you offer commercial glazing solutions?
Our curtain walling systems, including EW50 Structural and Linear types, are designed for commercial buildings with large surface areas.
