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GWB55 Series
Thermal break casement
A polyamide strip splits the GWB55 profile's interior and exterior faces, interrupting the path heat would otherwise conduct straight through the aluminum — the entry point into Vextralu's thermal-break range.
Elevation — frame width 55mm
| Opening mechanism | Side-hung, polyamide thermal break |
| Frame width | 55mm |
| Aluminum wall thickness | 1.4mm |
| Glazing build-up | 5+12A+5mm insulated glass unit |
| Recommended for | Climates that punish a cold frame |
| Finish | Powder coat or anodised, custom RAL on request |
Representative profile items
A sample of individual extrusions within the GWB55 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 |
|---|---|---|
| GWB55010201 | 1.4mm | 1.169 kg/m |
| GWB55010202 | 1.4mm | 1.267 kg/m |
| GWB55011003 | 1.4mm | 1.739 kg/m |
| GWB55010701 | 1.4mm | 1.100 kg/m |
| GWB55011402 | 1.4mm | 1.333 kg/m |