Double Glazed Aluminium Sliding Doors
SGL manufactures double glazed aluminium sliding doors for patios, balconies, villas, apartments, hotels, resorts and commercial projects. The system can be configured with Low-E glass, laminated glass, thermal break profiles, different track layouts, custom colours, locks, screens and export-ready packaging.
Shaanxi SGL Doors&Windows Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of double glazed aluminium sliding doors in China, also supports customized service. Please feel free to wholesale high quality double glazed aluminium sliding doors for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
What Is A Double Glazed Sliding Door?
A double glazed sliding door uses an insulated glass unit, often called an IGU. Instead of one pane of glass, the door panel contains two panes separated by a sealed air or gas-filled space. This gap helps slow heat transfer and can also reduce outside noise when the full door system is specified correctly.
The glass is only one part of the result. The frame, track, rollers, seals, sill, drainage and installation all affect how the sliding door performs. For this reason, buyers should specify double glazing as part of the full system, not as a single checkbox.
When Should You Choose Double Glazed Aluminium Sliding Doors?
Double glazing is worth reviewing when the sliding door separates an indoor air-conditioned or heated space from the exterior. It is especially useful for villas, apartments, hotels, offices, balcony doors, patio openings, roadside buildings and projects where comfort, heat control, noise or condensation matters.
For a mild climate or unconditioned space, standard glass may be enough. For premium homes, hotel rooms and energy-focused buildings, double glazing is usually a better starting point.
Key Advantages
Better Thermal Comfort
The sealed gap between the two glass panes helps reduce heat transfer through the glass. In hot climates, Low-E or tinted double glazing can help reduce solar heat gain. In cold climates, double glazing can help reduce heat loss.
Improved Noise Control
Double glazing can reduce outside noise compared with a basic single pane, especially when laminated or acoustic glass is used. This is useful for hotels, apartments, roadside homes and urban projects.
Lower Condensation Risk
When the inner glass surface stays closer to room temperature, condensation risk can be reduced. Final results depend on climate, indoor humidity, glass spacer, frame system and ventilation.
More Comfortable Large Glass Openings
Sliding doors often use large glass panels. Double glazing helps make those large panels more practical for living rooms, hotel rooms and office spaces where comfort matters.
Works With Thermal Break Frames
For stronger performance, double glazed sliding doors can be paired with thermal break aluminium profiles. This helps reduce heat transfer through both the glass and frame.
Flexible Glass Build-Ups
The glass package can be adjusted for safety, heat, privacy and noise. Options may include Low-E glass, laminated glass, tempered glass, tinted glass, argon-filled cavities, warm-edge spacers and acoustic laminated glass by project review.
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Frequently Asked Questions
Q: What are double glazed aluminium sliding doors?
A: Double glazed aluminium sliding doors are sliding doors with aluminium frames and insulated glass units made from two panes of glass separated by a sealed air or gas-filled gap.
Q: Are double glazed sliding doors better than single glazed sliding doors?
A: They usually provide better thermal comfort and noise reduction than single glass, but final performance depends on the glass build-up, frame, seals, threshold and installation.
Q: Can double glazed aluminium sliding doors reduce noise?
A: Yes, especially when laminated or acoustic laminated glass is used. If noise control is important, tell SGL before quotation so the glass build-up can be reviewed.
Q: Should I use thermal break frames with double glazing?
A: Thermal break frames are recommended when insulation and condensation control matter. Double glazing improves the glass area, while thermal break profiles help reduce heat transfer through the aluminium frame.
Q: Can SGL make custom sizes?
A: Yes. SGL can manufacture double glazed aluminium sliding doors according to project drawings and confirmed opening sizes. Large panels or heavy glass require technical review.
Q: What information is needed for a quotation?
A: Send opening size, quantity, panel layout, sliding direction, glass performance requirement, frame colour, track requirement, screen need, destination country and drawings if available.
Project Case Studies
We provide one-stop door and window solutions for individual buyers, contractors, renovation companies, and more.
Our address
No. 2 Group, Fumiao Village, Laojun Town, Hantai District, Hanzhong City, Shaanxi Province, China
Phone Number
+86 13335450021
sgl-factory@sgl-doors-windows.com
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Glass Configuration Options
| Glass option | Best use | Notes |
|---|---|---|
| Standard double glazing | General patios, balconies and apartments | Improves comfort compared with single glass. |
| Low-E double glazing | Hot or cold climates, air-conditioned spaces | Helps improve thermal performance. |
| Laminated double glazing | Villas, hotels, apartments and safety-focused projects | Adds safety and can improve acoustic performance. |
| Acoustic laminated IGU | Roadside homes, hotels, city apartments | Useful where noise control matters. |
| Tinted double glazing | Sunny facades, coastal villas, resort projects | Helps reduce glare and solar exposure. |
| Obscure double glazing | Private balconies, service areas, bathrooms by review | Adds privacy while keeping insulated glass performance. |
| Thermal break sliding system with double glazing | Premium homes, hotels, offices, cold or hot climates | Reviews both frame and glass insulation together. |
Sliding Door Configuration Options
| Option area | Available choices | Notes |
|---|---|---|
| Panel layout | Two-panel, three-panel, four-panel, fixed-plus-sliding | Choose by opening width and clear opening target. |
| Track | Two-track, three-track or project-specific layout | Larger and heavier glass needs suitable track and rollers. |
| Frame system | Standard aluminium, thermal break aluminium, slimline by review | Thermal break improves frame-side insulation. |
| Glass spacer | Standard spacer or warm-edge spacer by review | Spacer choice can affect condensation and thermal performance. |
| Hardware | Rollers, handle, lock, anti-lift detail, soft close by review | Double glass increases panel weight, so rollers matter. |
| Threshold | Standard track, low threshold, drainage sill by review | Exterior doors require water management. |
| Screens | Sliding screen, removable screen or stainless-steel mesh by review | Confirm screen early because track layout may change. |
| Finish | Powder coating, anodizing, fluorocarbon coating, custom RAL | Match windows and facade finishes. |
Recommended Specifications By Project Type
| Project type | Recommended direction | Why it works |
|---|---|---|
| Villa patio | Low-E double glazing, laminated glass by review, custom colour, secure lock | Balances daylight, comfort and safety. |
| Apartment balcony | Double glazing, durable rollers, screen option, standard or thermal break frame | Supports repeated unit installation. |
| Hotel room | Acoustic laminated double glazing, smooth rollers, refined finish | Helps guest comfort and noise control. |
| Roadside property | Acoustic IGU, stronger seals, careful installation detail | Reduces traffic noise more effectively. |
| Hot-climate project | Low-E or tinted double glazing, light frame colour by review, drainage sill | Helps reduce solar heat gain. |
| Cold-climate project | Thermal break frame, Low-E IGU, warm-edge spacer by review | Supports insulation and condensation control. |
Product Parameters
| Parameter | Specification / Options |
|---|---|
| Product name | Double Glazed Aluminium Sliding Doors |
| Manufacturer | SGL Doors & Windows |
| Material | 6063-T5/T6 aluminium alloy or project-specified aluminium profile |
| Door type | Patio, balcony, terrace or exterior sliding door |
| Opening method | Horizontal sliding on track |
| Glass options | Double glazed, Low-E, laminated, tempered, acoustic, tinted, argon-filled by review |
| Frame options | Standard aluminium or thermal break aluminium by project review |
| Track options | Two-track, three-track or custom layout |
| Hardware | Rollers, handle, lock, anti-lift device, screen, soft-close by review |
| Surface treatment | Powder coating, anodizing, fluorocarbon coating, wood grain finish |
| Colour | Black, white, grey, bronze, champagne, silver, custom RAL |
| Application | Patios, balconies, villas, apartments, hotels, resorts, offices and commercial spaces |
| Production cycle | Usually 20-40 days after drawing approval and deposit confirmation; special glass may require longer |
Specification Notes
Double glazing adds weight to the sliding panel. Before production, confirm glass thickness, panel size, roller capacity, track type and frame strength. A large double glazed panel should not be specified only by appearance.
For thermal performance, consider the full system: Low-E coating, gas fill, spacer, frame profile, gasket, threshold, drainage and installation. A high-performance glass unit will not deliver expected comfort if the frame and sill are poorly detailed.
For noise control, glass build-up matters. Two panes of the same thickness may not perform as well as an acoustic laminated configuration. If acoustic performance is important, state that requirement before quotation.
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