Think R9 but with a slightly more contemporary edge. With nine energy efficient internal chambers, R2 pushes the boundaries of thermal performance even further with U-values as low as 0.8W/m2K. Where R2 differs to R9 is in its use of a contemporary internal square detailing.

Technical Details:

• 100mm frame depth
• 9 chambers
• Always square internally
• Choice of flush or stporm externally
• 28mm double-glazed and 44mm triple glazing options
• WER A++
• U-Values as low as 0.8W/m2K
• PAS24 and Part Q building regulations approved
• BS EN 6375 – 1 weather tested: Exposure Category of 1600; Class 3 Air Permeability Rating (600pa); a Class 9A (600pa) Water Tightness Rating; Class C4 (1600pa), wind resistance
• Choice of 13 standard colours and any RAL colour on special order