Superior thermal performance and weather resistance
- Key Benefits
- Colours
- Downloads
- Specifications
Exceptional Performance and Energy Savings
Contact UsAdvanced thermal break technology delivers superior energy efficiency
Reduces heating and cooling costs significantly
Prevents condensation and thermal bridging
Enhances occupant comfort year-round
Meets stringent building regulations and standards
Long-lasting performance with minimal maintenance requirements
Extensive Colour Range Options
Our thermally broken doors are available in a comprehensive range of RAL and BS colours to complement any architectural design. Powder coating finishes ensure long-lasting durability and weather resistance.
Contact Us
Technical Resources
Access comprehensive technical data sheets, installation guides, and product specifications for our thermally broken door range.
Contact UsSpecifications
- Comar
- Seniors
- Smarts
- Comar
- Seniors
- Smarts
Comar 7
| Water Tightness | 1200Pa |
| Air Tightness | 600Pa |
| Wind Resistance | 2000Pa |
| Max Width | 1200mm* |
| Max Height | 2300mm* |
| *The above limitations are dependent on the project application. Larger or smaller sizes may be achieved, please contact Comar’s Technical Department for project-by-project advice. |
Seniors Ali Fold
| Standard | |
| Max door leaf width | 1000mm |
| Max door leaf height | 2616mm |
| Max weight per door leaf | 100kg |
| Heavy Duty | |
| Max door leaf width | 1300mm |
| Max door leaf height | 2400mm |
| Max weight per door leaf | 125kg |
| Average U- Values* | |
| CEN standard (Double Glazed) | 1.4 W/m²K |
| CEN standard (Triple Glazed) | 1.0 W/m²K |
| *All calculations are based on CEN sized single doors 1230mm x 2180mm ±25% and double door 2000mm x 2180mm ±25%. |
Smarts - Visofold 1000
| U Value | "1.5 W/m²K using a 1.0 centre pane" |
| Air | Class 4, 600Pa |
| Water | Class E, 750Pa |
| Wind | Class 4, 1800Pa |
| Max o/a Height: | 2500mm (per sash) |
| Max o/a Width | 1200mm (per sash) |
Smarts - Visofold ,2000
| U Value | "1.6 W/m²K using a 1.0 centre pane" |
| Air | Class 3, 600Pa |
| Water | Class 7a, 300Pa |
| Wind | Class 4, 1800Pa |
| Max o/a Height: | 2500mm (per sash) |
| Max o/a Width | 1000mm (per sash) |
COMMERCIAL SOLUTIONS
Office Building Door Systems
Our thermally broken doors provide exceptional performance for modern office environments, ensuring energy efficiency and professional aesthetics.
These systems deliver superior thermal insulation while maintaining the sleek appearance required for contemporary commercial architecture.
RETAIL APPLICATIONS
High-Performance Retail Entrances
Create welcoming retail environments with our energy-efficient thermally broken doors that reduce operational costs and enhance customer comfort. Built to withstand high-traffic usage while maintaining thermal performance, these doors are ideal for shopping centres and retail outlets.
Frequently Asked Questions
Find answers to common questions about our thermally broken door systems and their applications.
Contact UsThermal break technology uses insulating materials to prevent heat transfer through the door frame, improving energy efficiency.
Our thermally broken doors achieve U-values from 1.4 W/m²K, meeting stringent energy efficiency requirements.
Yes, we manufacture doors to specific project requirements within our maximum size parameters.
Minimal maintenance required - periodic cleaning and annual hardware checks ensure optimal performance.
All our thermally broken doors are CE marked and comply with relevant building standards.
YOUR PROJECT JOURNEY
From Concept to Completion
Our streamlined five-step process ensures your curtain walling project exceeds expectations every time.
We assess your project requirements, site conditions, and design aspirations to create tailored facade solutions.
Our expert team creates detailed technical drawings and specifications optimized for performance and aesthetics.
State-of-the-art fabrication facilities produce your curtain walling systems to exact specifications and quality standards.
Experienced installers deliver seamless on-site assembly, ensuring perfect alignment and weatherproof performance.
Comprehensive testing and inspection guarantee your curtain walling meets all performance and safety requirements.
Trusted Specialists
Industry Leading Partnerships
We work alongside leading architects, contractors and developers to deliver outstanding commercial projects nationwide. We use only the best aluminium systems from Schüco and fire-resistant glass from Vetrotech from Saint Gobain to manufacture our products.
Contact Us
If you'd like to find out more about working with LSF Commercial as your dedicated aluminium specialist, get in touch today. Whether you're working on a commercial refurbishment project, a new build development, or retail premises overhaul, we can help. Simply enter your details into the contact form and we'll get back to you as quickly as possible. With LSF Commercial as your project lead, you know you're in safe hands.
