Engineered specifically for the North American residential and light commercial market, this high-performance sliding door system redefines industry standards for thermal efficiency, structural integrity, and weather resistance. Currently undergoing NFRC (National Fenestration Rating Council) and CSA (Canadian Standards Association) certification, this unit is designed to meet and exceed Class CW—PG70 performance criteria—ideal for coastal regions, extreme climates, and passive house applications.
1. “High-Speed Train” Side‑Pressure Compression Sealing
Unlike conventional sliding doors that simply roll shut, this system utilizes a multi-point side-pressure locking mechanism. As the handle is engaged, the door panel is pulled tightly against the frame—creating a positive compression seal that eliminates air leakage, water infiltration, and acoustic transfer. The same sealing principle used in modern high‑speed rail vehicles.
2. Certified for North American Standards (NFRC & CSA)
Final testing confirms compliance with rigorous North American performance standards:
Water Penetration Resistance: 720 Pa
Design Pressure (DP): ±3360 Pa (CW‑PG70 rated)
Ultimate Wind Load: +5000 Pa
Full NFRC and CSA certifications are under final application.
3. Advanced Thermal Break & Triple Glazing Capability
A 35.3 mm wide polyamide thermal break separates interior and exterior metal surfaces, drastically reducing heat transfer. The frame is engineered to accommodate triple‑glazed insulating glass units (IGUs) , achieving a whole‑system Uw value as low as 1.0 W/m²K—perfect for net‑zero energy homes and harsh northern winters.
4. 100% Genuine ROTO Patio Alversa Hardware
This system operates exclusively on ROTO NX Patio Alversa rollers and locking hardware—no generic substitutions. Rated to carry 200 kg per panel, the hardware ensures ultra‑smooth operation, long‑term durability, and maintenance‑free performance.
5. Heavy‑Gauge Structural Aluminum Profiles
Main profiles feature 2.0 mm wall thickness, providing exceptional rigidity and resistance to wind load, racking, and sagging—even with panel widths up to 1500 mm and heights up to 3000 mm.
| Parameter | Performance |
|---|---|
| Profile Thickness | 2.0 mm structural aluminum |
| System Width | 80 mm |
| Thermal Break | 35.3 mm polyamide (PA66) |
| Glazing Capacity | Double or triple IGU (up to triple glazing) |
| Heat Insulation (Uw) | From 1.0 W/m²K |
| Sound Reduction (Rw) | Up to 35 dB |
| Water Tightness | 720 Pa (tested) |
| Design Pressure (DP) | ±3360 Pa (CW‑PG70) |
| Ultimate Wind Load | +5000 Pa |
| Maximum Panel Weight | 200 kg |
| Hardware | 100% ROTO Patio Alversa |
This product has passed independent third‑party testing in accordance with North American standards.
| Test Parameter | Result |
|---|---|
| Product Type | Aluminum sliding door – 80 Series |
| Primary Designator | Class CW – PG70 |
| Tested Size | 3100 mm × 2400 mm |
| Positive Design Pressure (DP) | 3360 Pa |
| Negative Design Pressure (DP) | –3360 Pa |
| Water Penetration Resistance | 720 Pa |
| Test Completion Date | January 24, 2025 |
Architects, builders, and homeowners seeking hurricane‑grade performance, European‑style thermal efficiency, and true airtightness will find this sliding door unmatched in its class. The unique side‑pressure compression technology transforms a traditional sliding door into a sealed, insulated barrier—without compromising on smooth operation or sleek aesthetics.
Ideal applications:
Coastal and high‑wind zones
Passive house and net‑zero energy buildings
Luxury residential and light commercial projects
Cold climate regions requiring triple glazing
Name: Frank
Mobile:+86 18902841228
Tel:+86 755-27399582
Whatsapp:+86 18902841228
Email:info@topwindor.com
Add:3rd Floor Xincheng Plaza, Block 80 Baocheng, Bao'an District Shenzhen, China