Material Quality Matters Most
Surface treatment: Pick powder-coated finishes over basic anodizing. Powder coating resists saltwater corrosion for coastal homes.
Avoid suppliers who mix low-grade aluminum alloys—this causes rust spots within 2-3 years.
Glass Selection: Safety & Efficiency
Tempered glass (5mm+) is mandatory. Look for the 3C certification mark.
Double glazing (5+12A+5) cuts heat loss by 30% in cold climates.
Low-E coatings reflect sunlight, ideal for aluminium sliding patio doors in hot areas.
Never accept single-pane glass. It cracks easily and fails energy codes.
Hardware: The Hidden Cost Saver
Cheap hinges and rollers cause 80% of sliding door failures. Prioritize:
Stainless steel rollers: They last 10+ years, even with heavy glass.
Multi-point locks: Essential for Aluminium Swing Doors or sliding doors on high floors.
Reinforced tracks: Thick aluminum tracks prevent warping in aluminium sliding patio doors.
Test samples—doors should slide smoothly with one hand.
Weatherproofing: Stop Leaks Early
Balcony doors face rain, wind, and temperature changes. Ensure:
Triple rubber seals around the frame block drafts and water.
Thermal breaks: Nylon strips inside Aluminium Sliding Door frames stop condensation.
Hidden drainage: Tracks need small holes to drain rainwater.
Ask suppliers for ASTM E283 water resistance test reports.
Design Tips for Practical Use
Frame width: Narrow frames (50mm) suit modern homes but check weight limits.
Track height: Flush tracks work better than raised ones—they’re easier to clean.
Custom sizes: Aluminum sliding glass doors must fit exact balcony measurements. Gaps over 3mm cause leaks.
Common Buying Mistakes
Ignoring wind ratings: High-rise buildings need Aluminium Sliding Doors rated for 1200Pa+ wind pressure.
Choosing price over specs: Cheap aluminium sliding patio doors save $20/m² but need replacements in 5 years.
Skipping certifications: Always request EN 14351-1 compliance for EU projects.
Quick Checks Before Ordering
Measure samples: Confirm frame thickness with calipers.
Compare warranties: Top suppliers offer 10-year coverage for aluminum sliding glass doors.
Ask about installation: Professional installers prevent 90% of sealing issues.
By focusing on these factors, buyers can source Aluminium Sliding Doors that last. Whether selecting sleek aluminum sliding glass doors for apartments or heavy-duty aluminium sliding patio doors for hotels, smart decisions reduce risks and ensure client satisfaction.