Series C3 138 Thermal Break Sliding Window
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The Series C3 138 Thermal Break Sliding Window is a high-performance aluminum sliding window designed for openings where space constraints favor a horizontally-sliding sash. Thermal break construction and precision hardware provide reliable operation, weather sealing, and long-term durability.
Key Features
- Full hidden frame minimalist design. Five-track sliding window with double rail double pulley design ensures smooth and easy sliding
- Equipped with 304 high-transparency stainless steel mesh, providing clear visibility while effectively preventing insects
- Can be equipped with a handrail platform and an extendable clothes rack, making the window multi-functional
Technical Specifications
| Frame Material | Extruded aluminum alloy, thermal break profile |
| Glazing | Double or triple insulated glass, low-E and tempered options |
| Weatherstripping | EPDM rubber gaskets, multi-line sealing |
| U-Value (typical) | 1.4–1.8 W/(m²·K) with double glazing; 0.8–1.1 with triple |
| Colors / Finishes | Matte black, charcoal, bronze, white, wood-grain, RAL custom |
| Custom Sizes | Manufactured to your finished opening dimensions |
| Lead Time | 30–45 days production + shipping (varies by destination) |
Full technical spec sheet — including detailed dimensions, glass options, hardware brands, and performance testing data — is available on request.
Typical Applications
- Kitchens, laundry rooms and bathrooms where a hinged sash would obstruct fixtures
- Bedrooms and living rooms facing tight balconies or walkways
- Multi-storey residential buildings where safety-limited opening is required
- Renovation projects retro-fitting a modern look on existing masonry openings
Frequently Asked Questions
What is the maximum size for a single sliding panel?
Single panel dimensions depend on the series but typically up to 1.5m wide × 2.4m tall per sash. Multi-panel configurations extend total window widths to 6m+ using tandem tracks.
Are these windows AAMA or NFRC certified?
Certification is available on request. Standard performance data covers air infiltration, water penetration, structural wind load, and thermal transmittance. Provide project location so we can quote with the correct performance package.
Can I install screens?
Yes. Integrated retractable or fixed insect screens are available and typically included in the frame profile without extending the sightline.
What warranty do you provide?
10-year warranty on aluminum profile and hardware, 5-year warranty on insulating glass unit seal, and 2-year warranty on operable mechanisms. Warranty is transferable to next property owner.
Do you offer installation support?
We provide detailed shop drawings, installation instructions, and remote engineering support for local installers. Direct installation service is available in select US metros — inquire for coverage.
Request a Free Quote
Send us your project dimensions, quantity, and target color / finish. Our engineering team responds within 24 business hours with a detailed quotation and shop drawing.
Email: contact@todaywindowsdoors.com
WhatsApp: Chat with us
US$100~150
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