The 76 MD adds a third sealing level via a centre seal and a sixth chamber to the 76 mm platform, taking Uf down to 1.0 W/(m²K). It is the preferred choice when acoustic insulation or wind-driven rain resistance is critical.
| Construction Depth | 76 mm |
|---|---|
| Number of Chambers | 6 chambers |
| Sealing System | Centre seal (3 sealing levels) |
| Uf Value (Frame) | 1.0 W/(m²K) |
| Glazing Capacity | Up to 50 mm (triple glazing) |
| Energy Standard | Low energy house |
| Sash Options | Offset and semi offset sash |
| Stabilisers | Lead-free (calcium/zinc) |
| Bio PVC | Available in CO₂-optimised bio-attributed PVC |
Spec 76 MD into your project.
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