The 10” Post Port Letterplate has been ergonomically designed with a curved edge to improve user comfort. The extruded aluminium flap achieves 180º opening, which eliminates excessive leverage on the pivots to give the letterplate greater durability and increased functionality.
The letterplate is available in two sizes, to suit door thicknesses 20 – 40mm (Size 1) and also to suit door thicknesses 40 – 80mm (Size 2)
Sleeve aperture: 252mm x 50mm
Results: No leakage at 200 PA Air Pressure or below in accordance with BS5368-3 1978 spray method 2 water spray.
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