Slider Window/Door (We-70)

What is the TOSTEM WE 70 Sliding System?
The WE 70 Sliding System is a 70 mm-profile aluminium sliding window/door designed for everyday residential and light commercial use.
-
Frame Depth: ~72 mm (standard)
-
Track Options:
• 2 panels on 2 tracks (common)
• 3 panels / 4 panels / 6 panels on multiple tracks (wider openings) -
Glass Thickness Supported: ~5 mm, 6 mm, 8 mm
-
Color Options: Natural White, Natural Silver, Shine Gray, Autumn Brown, Natural Black, Dusk Grey (varies by market)
-
Application: Balcony doors, terrace doors, wide windows, room dividers, etc.

Sliding Window Details (WE 70)
2 Panels on 2 Tracks
-
Standard window sliding setup
-
One panel slides over the other
-
Easy operability & simple design
-
Optional insect screen available
3 Panels on 2 Tracks
-
Wider opening for larger spaces
-
One panel slides behind the other two
-
Good for wide living room openings
4 Panels on 2 Tracks
-
Even larger openings
-
Two panels slide behind two fixed panels or vice-versa
Performance (Approx. Typical WE70): Water tightness: JIS W-2 (150 Pa)
Air tightness: JIS A-3
Noise insulation: ~25-45 dB
Wind pressure: ~S-1 (up to ~800 Pa)
These values are typical for the series (can vary slightly by region and glass thickness).

Sliding Door Details (WE 70)
TOSTEM sliding doors are made using the same profile as windows, but with floor-to-ceiling height and wider panel options.
Common Sliding Door Types
| Type | Description |
|---|---|
| 2P2T (2 panels, 2 tracks) | Standard sliding door — good for balcony or room openings. |
| 4P2T (4 panels, 2 tracks) | Wider view, two panels slide past two fixed. |
| 6P3T (6 panels, 3 tracks) | Large expanses — ideal for patio or wide space. |
Key Features for Sliding Doors
-
Watertight sill with drainage for rain protection.
-
Secure lock system & easy-grip handle for smooth operation.
-
Internal insect screen option on sliding panels.
-
Can be combined with fixed windows for larger units.
Common Technical/Performance Specs
| Feature | Typical WE 70 Sliding (Window & Door) |
|---|---|
| Frame Depth | ~72 mm |
| Glass Thickness | 5–8 mm typical |
| Air-Tightness | JIS A-3 |
| Water Resistance | JIS W-2 (150 Pa) |
| Noise Reduction | ~25-45 dB |
| Wind Load | Around S-1 (800 Pa) |
These performance ratings are typical for the WE 70 series and can vary slightly with configuration, glass type, and installation. Always confirm with your supplier or architect.
Where You’ll See These Used
Balcony doors
Terrace sliding doors
Living room large openings
Window walls above low sills
Spaces where you want wide unobstructed views
If you want, I can also share typical sizes and approximate price ranges in India for these WE 70 sliding doors/windows.


