ALU windows
Architectural precision. Lasting strength.
FEAL aluminium systems deliver slim lines, large formats and a clear split between thermally broken and cold profiles.
Thermal break
Heated spaces
Cold ALU
Unheated applications
RAL colours
Matched to the façade
FEAL
Proven technology
FEAL systems
Choose the right aluminium system
Two clearly separated product groups — thermally broken systems for heated residential buildings and cold aluminium for unheated or commercial applications.
Thermally broken
Thermally broken aluminium systems
Designed for heated residential and commercial spaces — stronger thermal insulation with slim aluminium lines.
Residential choice · FEAL T65
Thermal break. Elegant lines.
FEAL T65 combines a polyamide thermal break with aluminium strength — ideal for heated buildings where comfort, aesthetics and stability matter.
Performance
from 1.0
W/m²K
Uw
65
mm
Depth
up to 52
mm
Glass
Technical specifications
- Frame depth
- 65 mm
- Thermal break
- Yes
- Glazing
- Up to 52 mm
- Max. sash weight
- 130 kg
- Finish
- RAL powder coating
- Application
- Heated residential buildings
Key benefits
Thermal comfort
Thermal break reduces energy loss in heated spaces.
Slim profiles
More light with aluminium aesthetics.
RAL finish
Wide colour range matched to the façade.
Structural strength
Stability for larger formats and modern openings.
FAQ
Heated residential and commercial buildings that need a thermal break with elegant aluminium lines.
T65 has a thermal break for heated spaces; cold systems are for unheated or commercial applications.
Yes. RAL powder coating allows matching to the façade and other joinery.
Yes. The system accepts insulating units up to 52 mm depending on configuration.
Without thermal break
Cold aluminium systems
Designed for unheated spaces and commercial applications — light, strong and economical profiles.
Cold system · FEAL 45 Mill
Cold profile. Clear functionality.
FEAL 45 Mill is for spaces where thermal insulation is not the priority — a light, strong and economical aluminium system with mill or RAL finish.
Performance
45
mm
Depth
none
Thermal
light
Weight
Technical specifications
- Frame depth
- 45 mm
- Thermal break
- No
- Finish
- Mill / RAL
- Application
- Unheated spaces
- Construction
- Light and strong
- Maintenance
- Minimal
Key benefits
No thermal break
Intended for unheated and technical spaces.
Economical choice
Simple construction for commercial and utility uses.
Mill finish
Natural aluminium look or RAL coating.
Fast installation
Light profiles simplify fitting.
FAQ
Unheated spaces, canopies, garages, industrial and commercial buildings where insulation is not critical.
Not recommended. For heated spaces choose thermally broken systems T65 or T85.
Natural aluminium surface without powder coating — RAL coating is available on request.
Yes. Aluminium and appropriate sealing provide reliable wind and rain protection.
Colours & finishes
RAL colours for every facade
White
RAL 9016
Anthracite
RAL 7016
Grey
RAL 7040
Black
RAL 9005
Bronze
RAL 8028
◐Any RAL colour available on request.
Benefits
Why Ingplast ALU windows
Premium aluminium windows for modern architecture and commercial projects.
Exceptional stability
Large formats without compromising strength.
Minimal maintenance
Powder-coated surfaces that last for years.
Premium aesthetics
Slim profiles for contemporary design.
Weather resistance
Reliable performance in all conditions.
Thermal efficiency
Thermal break technology for modern standards.
Long lifespan
A durable investment for decades.
Planning an ALU window project?
Contact us for consultation and a free quote.