Quote Requirements:
Structural opening (width × height mm) Sash configuration & opening direction Glazing spec & cill / threshold Factory powder-coat finish Standard Factory Finishes:
RAL 7016 Anthracite Grey (Matt) RAL 9005 Jet Black (Matt) RAL 9016 Traffic White
Dual colour & special RAL available on request.
2026 UK Building Regulations:
Doc L (Thermal) Approved Document L limits: 1.4 W/m²K replacement · 1.2 W/m²K new build Doc F (Airflow) 8,000 mm² EQA habitable rooms · No worse than existing Doc M (Access) 15mm level threshold vs 55mm weathered rebated Doc K (Safety Glass) Toughened glass standard in doors & low-level glass Sub-Cill Sizing 150mm standard cavity · 190mm deep reveal · 225mm stone cill Doc Q (Security) PAS 24:2022 tested doorsets · Class P1A laminated security glass Doc O (Overheating) Solar factor g ≤ 0.40 & light transmittance Lt ≥ 70% FHS (2026/2027) Future Homes Standard: 0.8–1.2 W/m²K target for new dwellings