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GTL118 Series
Double hung window
Two sashes slide vertically past each other on the GTL118, a mechanism more associated with heritage and townhouse fenestration than the casement systems that make up most of the range — and the deepest glazing pocket Vextralu offers.
Elevation — frame width 118mm
| Opening mechanism | Vertical double hung |
| Frame width | 118mm |
| Aluminum wall thickness | 1.6mm |
| Glazing build-up | 5+20A+5mm insulated glass unit |
| Recommended for | Deepest glazing pocket in the range |
| Finish | Powder coat or anodised, custom RAL on request |
Representative profile items
A sample of individual extrusions within the GTL118 Series, with aluminum wall thickness and weight per metre — useful for estimating material cost and shipping weight. The full profile range is available on request.
| Item code | Wall thickness | Weight |
|---|---|---|
| GTL11801 | 1.6mm | 1.921 kg/m |
| GTL11817 | 2.0mm | 2.091 kg/m |
| GTL11803 | 1.6mm | 3.221 kg/m |
| GTL11827 | 2.0mm | 1.649 kg/m |
| GTL11802 | 1.6mm | 2.089 kg/m |