Airtight Part “L” Hinge Down Loft Hatch

AT35/ 25/ 15

Airtight loft hatch, hinged part l compliant.

3 models, meeting or exceeding part L. The most flush loft hatch on the market, protruding just 2mm when fitted. Air seals without need for sealant or caulk.



  • Airtight at 600Pa of positive or negative air pressure (12 x the standard required)
  • GWP and ODP rating of zero
  • Exceeds NHBC requirements
  • Spring loaded “easy to open” high compression catch
  • Inner & outer neoprene memory draught seals
  • Invisible pre-fitted hinges for a quick easy installation
  • Robust long lasting zintec steel design
  • Smooth white satin powder coated in RAL 9010
  • Slim frame for contemporary unobtrusive aesthetics
  • Projects into the ceiling space a mere 2mm
  • Air seals without the use of sealant or caulking
  • Three models exceeding Part “L”
Technical drawing

Air tight loft hatch range product dimensions




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