Elevate your space with the Hearnne® H20+ double-glazed window system, where modern design meets discreet functionality. H20+ features sleek 20mm sash profiles but stands out with its invisible track, concealed by a marble or metal plate. This system offers the same minimal design, thermal insulation with a UV value up to 1.6, and acoustic performance of up to 41dB. Enjoy enhanced durability, multi-track versatility, and a sophisticated aesthetic with an external drainage system for optimal performance. What We Do: At AlGhazi Group, we specialize in providing premium aluminium and glass systems designed for contemporary architecture. Our portfolio includes sleek sliding systems, panoramic facades, and innovative concealed solutions. Committed to excellence, we deliver high-quality, durable products that merge style with functionality, ensuring every project meets the highest European standards.
| Sash Visible width | 20 mm |
| Maximum leaf height | 4 m |
| Frame Visible width | 50 / 55 mm |
| Thermal transmission coefficient | Uw ≥ 1,1 W/(m²K) |
| Maximum Single leaf area size | Up to 12 m² |
| Maximum leaf weight | 500 kg |
| Overall insulation glass thickness | Up to 32 mm |
| Sliding Automation leaf yes | Up to 2,400 kg |
| Air permeability | Class 4 according to EN 12207 |
| Rain resistance | Class 8A according to EN 12208 |
| Resistance of Wind Load | Class C4/B5 according to EN 12210 |
| Sound insulation | Up to 39 dB according to ISO 717-1 |
The maximum dimensions of the construction are determined by the manufacturer according to the typology and conditions of the project
