Airtight insulated loft hatch - Part L compliant

The Airtight loft hatch has been independently tested in a UKAS-accredited test house. The current air permeability test requires a hatch to withstand a pressure of 50 pascals; this hatch passed the test at 600 pascals air pressure. Sleek steel design, protruding 2mm from the ceiling. Powder-coated finish in white RAL 9010