| Name | Hand cranked window |
| Certificate | CE, AS2047, CSA, NFRC1, ETC. |
| Profile Thickness | 1.5MM |
| Handle | WEHAG Handle in Black and Silver |
| Hinge | WEHAG Hinge |
| GLASS |
Double Tempered Glass with argon gas 5mm+20A+5mm (PVDF Aluminum Strip Between double glass) |
| Lock point | Black Six Point Lock (Invention patent) |
| Insulation strip | Standard DERCHI insulation strip |
| Optional package | New 48 Pack / New 88 Pack |
Our hand cranked windows are fully certified with international standards including CE, AS2047, CSA, and NFRC1 to guarantee superior quality, thermal efficiency, and safety compliance.
The window features double tempered glass filled with argon gas (5mm + 20A + 5mm structure) along with a PVDF aluminum strip between the glass layers for optimal soundproofing and thermal insulation.
Each window is equipped with premium WEHAG handles available in stylish black and silver finishes, alongside durable WEHAG hinges designed for smooth crank operation.
These windows utilize a patented Black Six-Point Lock system that provides enhanced protection against air infiltration, water leakage, and forced entry.
The window profile thickness is 1.5mm built with sturdy aluminum framing, integrated with standard DERCHI thermal insulation strips to maximize energy efficiency.
We offer specialized packaging options including the New 48 Pack and New 88 Pack configurations to ensure safe transport and storage.