A+ Energy Rating
ThermoMax Sectional
Energy Efficiency Leader
(203 Reviews)
From £1,899
Superior thermal efficiency with 40mm insulated panels. German-engineered quality with A+ energy rating. Reduce heating costs while enhancing security and comfort.
Energy Efficiency Features
- 40mm thick insulated panels with thermal break
- German-engineered track and hardware system
- CFC-free polyurethane foam insulation
- Triple weather sealing system
- Safety cable system for spring failure protection
- Anti-finger trap panel design
- Optional glazed panels for natural light
- Powder-coated galvanized steel construction
- Superior Insulation
40mm thick panels with CFC-free polyurethane foam core provide exceptional thermal efficiency, reducing energy costs by up to 40%.
- German Engineering
Precision-engineered track systems and hardware ensure smooth, reliable operation for decades with minimal maintenance.
Technical Specifications
Door Type
Insulated Sectional
Double-wall Steel
40mm Polyurethane
40mm
Low Headroom Available
Torsion Spring System
Galvanized Steel
EPDM Weather Seals
10 Years Structure
A+ Thermal Efficiency
- Thermal Performance
• U-Value: 0.58 W/m²K
• R-Value: R-16 (Imperial)
• Air Infiltration: Class 4
• Water Penetration: Class E1200
• Wind Load: Class C4/B4
- Safety Features
• Safety cable system
• Anti-finger trap design
• Thermal protection switches
• CE certified components
- 7' x 7' (2.1m x 2.1m)
Installation: £399
£1,899
+VAT
- 8' x 7' (2.4m x 2.1m)
Installation: £399
£2,099
+VAT
- 9' x 7' (2.7m x 2.1m)
Installation: £449
£2,299
+VAT
- 16' x 7' (4.9m x 2.1m)
Installation: £499
£2,899
+VAT
- 18' x 8' (5.5m x 2.4m)
Installation: £599
£3,499
+VAT
- Energy Savings Calculator:
Based on attached garage heating: Potential annual savings £200-£400
Return on investment typically 3-5 years through energy savings
Flush Smooth
Raised Panel
Georgian
Cathedral
Ribbed
Wood Grain Effect
Contemporary Glass
Traditional Window
All designs available in 15+ colors with woodgrain and smooth finishes.
Start Saving Energy Today
Calculate your potential savings with a ThermoMax door