Across Australia, building codes are tightening, energy efficiency is a selling point, and buyers are more informed than ever. In this evolving landscape, double glazed windows and doors are no longer a luxury add-on—they’ve become an expected feature in residential and mixed-use developments. For property developers, incorporating double glazed doors is not just about compliance; it's about creating homes that meet buyer expectations, reduce ongoing costs, and future-proof your investment.
Why Developers Are Turning to Double Glazed Bifold Doors
Maximised Openings: Bifold doors fold neatly to the side, offering uninterrupted access between indoor and outdoor spaces—ideal for open-plan living and alfresco areas.
Luxury Appeal: The expansive glass panels provide a sleek, contemporary look that high-end buyers crave.
Thermal & Acoustic Performance: Thanks to double glazing, these doors enhance thermal insulation and sound reduction—key for city apartments, coastal homes, or noise-sensitive zones.
Energy Efficiency: Reduced HVAC use = lower operational costs = higher building energy ratings.
High Security: Multi-point locks and reinforced aluminium frames offer peace of mind for both homeowners and developers.
Comparing with Other Door Systems
| Feature | Double Glazed Bifold Doors | Double Glazed Sliding Doors | Traditional Hinged Doors |
| Opening Width | ✅ Maximum | ⚪ Moderate | ❌ Limited |
| Energy Efficiency | ✅ Excellent | ✅ Excellent | ⚪ Standard |
| Aesthetic Impact | ✅ Premium & Modern | ⚪ Sleek | ⚪ Conventional |
| Flexibility | ✅ Highly customizable | ⚪ Limited track length | ❌ Fixed frame |
Let’s Talk Numbers: Double Glazing Sliding Doors Cost vs Bifold ROI
While developers often inquire about double glazing sliding doors cost, the long-term return on investment of double glazed bifold doors makes it a smarter solution for projects targeting premium buyers. These doors help you command a higher sale price, improve energy compliance, and enhance property appeal.
PROLINE Double Glazed Bifold Door System
Key Features
01. Seamless Indoor-Outdoor Living
PROLINE double glazed bifold doors for patio enable wide openings that connect interior and exterior spaces seamlessly—perfect for entertaining and outdoor lifestyle in Australian homes.
02. Built-In Safety with Anti-Pinch Seals
Designed with anti-pinch technology, these custom made double glazed bifold doors offer enhanced safety—ideal for families with kids or multi-unit residential projects.
03. Multi-Layer Thermal & Sound Sealing
A multi-seal system with corner strips ensures superior thermal insulation and soundproofing. These energy efficient double glazed bifold doors support compliance with BASIX and other green standards.
04. Concealed Multi-Point Locking
The integrated lock system offers sleek aesthetics and strong security. These aluminium double glazed bifold doors deliver clean lines and peace of mind.
05. Smooth & Durable Hardware
Equipped with a stainless-steel double track and high-load pulley kit, these double glazed folding doors with thermal break perform reliably under frequent use.
06. Flexible Opening Configurations
Supports inward, outward, or sliding-folding styles. These double glazed bifold door systems adapt to custom openings for both homes and commercial spaces.
| Main Profile Thickness | 2.0mm |
| Maximum Panel Size: |
Width ≤1200mm Height ≤3000mm |
| Panel Weight Capacity: | ≤90Kg |
| Glass Clamping Thickness: | ≤48mm |
| Waterproof performance GB/T 7106 | Standard bottom frame can achieve level 3, HD100A can achieve level 6 |
| Air Tightness Performance GB/T7106: | Positive pressure can reach level 8, Negative pressure can reach level 8 |
| Wind Pressure Resistance Performance GB/T7106: | Can reach 3500Pa |
| Sound Insulation Performance GB/T8485: | Can achieve 42dB |
Recommended Glass Configurations for Double Glazed Bifold Doors
Suitable for residential homes, villas, apartments, and commercial spaces—combining insulation, noise reduction, and safety.
5mm + 12A + 5mm Toughened Glass
Description: Double glazing with two layers of 5mm tempered glass and a 12mm air gap
Benefits: Cost-effective, safe, and thermally efficient for general use
Best For: Balcony folding doors, garden entries, standard homes
6mm Low-E + 12A + 6mm Toughened Glass
Description: Low-E coated 6mm tempered glass + 12mm air gap + 6mm inner toughened glass
Benefits: Enhances energy efficiency, reduces solar heat gain, complies with BASIX/NatHERS
Best For: Sustainable residential developments, energy-rated apartments
6mm + 14A + 6.38mm Laminated Glass
Description: 6mm toughened outer layer + 14mm air gap + 6.38mm laminated glass
Benefits: Superior acoustic insulation and enhanced safety for high-traffic or high-noise areas
Best For: Properties near busy roads or airports, luxury apartments
For projects that require even greater energy efficiency or noise reduction—such as homes near busy roads, airports, or extreme climate zones—we also offer triple glazed options.
This upgraded system features three panes of glass and dual insulating layers, delivering exceptional thermal insulation and acoustic comfort beyond standard double glazing.
It’s the perfect choice for luxury developments, passive house projects, or buyers who demand the very best in comfort and performance.
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