Istanbul, Türkiye · Aluminium Industry Insights
Aluminium Systems Blog & Expert Guides
Technical insights, specification guidance and B2B export knowledge from the Afes Aluminium team.
Choosing Architectural aluminium door systems is not simply a design decision. It is a performance decision.
As Andreas Engelhardt, former CEO of Schüco International, has said, “Good design connects performance with everyday comfort.” That principle matters at the entrance. A slim aluminium frame may look elegant, yet poor sealing can create draughts, water marks, and uncomfortable rooms. The best system balances appearance, security, thermal insulation, and daily use.
Start with the building’s location and exposure. A coastal entrance needs suitable surface protection and corrosion resistance. A busy hotel requires durable hinges, reliable closers, and hardware tested for frequent operation. A home may prioritise smooth movement, low thresholds, and strong thermal performance. Check the system’s tested air permeability, watertightness, wind resistance, acoustic rating, and thermal values. Do not rely on brochure images alone.
Glass selection also changes the result. Large insulated units add weight. The hinges, rollers, locks, and frame must support that load consistently. Installation is equally important. Even an excellent system can underperform when the sill is poorly drained or the perimeter seal is uneven.
There is no universal “best” door. That is the uncomfortable part. Budget, climate, accessibility, maintenance, and architectural intent can conflict. A useful specification compares tested evidence, not attractive promises. Ask for certification, warranty limits, fabrication details, and installer experience. Then inspect the real sample. Feel the handle. Watch the closing action. Small details often reveal large weaknesses.
Set Project Requirements: Opening Size, Wind Load, and EN 14351-1 Scope
Before choosing an architectural aluminium door system, define the opening accurately. Record the structural opening width, height, sill level, and available installation tolerance. Do not rely on drawings alone. Site conditions often differ.
A large opening may require stronger jambs, transoms, or intermediate mullions. Check the door leaf weight, hardware loads, threshold detail, and drainage path. A narrow tolerance can cause binding after installation. I have seen beautifully specified doors fail because the opening was measured before final floor finishes.
Measure again. Wind load needs project-specific calculation. Consider building height, location, exposure, surrounding structures, and the position of the door on the façade. Check both strength and serviceability. Excessive deflection can affect seals, locks, and operation, even when the frame remains intact. Ask for the design pressure and test evidence, not only a maximum size claim.
EN 14351-1 covers performance characteristics for windows and external pedestrian doorsets within its defined scope. Confirm whether the proposed product configuration matches the intended use, dimensions, glazing, hardware, and opening direction. A test result for one assembly may not represent another. This detail is frequently underestimated. Specify the required air permeability, watertightness, wind resistance, thermal performance, and acoustic values. Coordinate these requirements with the project’s local regulations and the manufacturer’s declared performance. Some specifications remain vague. That is a design weakness worth correcting early.
FAQS
Record the structural opening width, height, sill level, and installation tolerance. Measure after floor finishes are complete. Measure twice.
Wide openings may need stronger jambs, transoms, or intermediate mullions. Check door leaf weight, hardware loads, and threshold details. Size matters.
Calculate wind pressure using building height, location, exposure, nearby structures, and façade position. Check strength and deflection. Do not trust maximum-size claims alone.
Excessive movement can damage seals, affect locks, and make operation difficult. The frame may remain intact but still perform poorly. This is easy to miss.
EN 14351-1 covers defined performance characteristics for windows and external pedestrian doorsets. Confirm the product’s use, size, glazing, hardware, and opening direction.
Specify air permeability, watertightness, wind resistance, thermal performance, and acoustic values. Coordinate them with local requirements and declared system performance.
No. Its conductivity is approximately 200 W/m·K, but complete door performance depends on geometry and thermal-break design. Alloy data alone is incomplete.
Inspect the polyamide barrier width, corner connections, gaskets, drainage paths, and installation details. Request tested U-values. A narrow break may look better than it performs.
Request the mill certificate, temper confirmation, thermal test report, coating details, and tolerance information. Inspect a cut section and verify fastener compatibility. Paperwork can still be too optimistic.
Conclusion
Choosing architectural aluminium door systems begins with clearly defining the project requirements. Assess the opening dimensions, expected wind loads, usage conditions, and the relevant scope of EN 14351-1 before selecting a suitable design. Alloy and profile choices also influence structural strength and thermal performance; 6063-T5 aluminium, with thermal conductivity of approximately 200 W/m·K, is commonly considered when balancing durability, formability, and appearance. Where energy efficiency is important, specify thermal breaks and establish realistic U-value targets using the calculation principles of EN ISO 10077-1.
The glazing and sealing package should be matched to the door’s performance objectives, with EN 12207 Class 4 airtightness serving as a demanding reference for tested assemblies. Safety and weather resistance should also be verified through appropriate water-tightness and wind-resistance evaluations under EN 12208 and EN 12210. Finally, select a durable finish with documented quality and long-term protection, such as a coating system designed to meet AAMA 2605 performance expectations over a 10-year period.
