AT35/ 25/ 15

airtight loft hatch, hinged part l compliant
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  • More info
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  • 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”

 

Loft Hatch Sizes

Code Structural Opening Clear Opening Once Installed U Value Depth Weight
AT35 640 x 560mm 538 x 560mm 0.35 60mm 4.5kg
AT25 640 x 560mm 538 x 520mm 0.25 100mm 4.8kg
AT15 690 x 560mm 538 x 570mm 0.15 100mm 5.4kg

Sizes

AT35

Structural Opening: 640 x 560mm

Clear Opening Once Installed: 538 x 560mm<

U Value: 0.35

Depth: 60mm

Weight: 4.5kg

AT25

Structural Opening: 640 x 560mm

Clear Opening Once Installed: 538 x 520mm<

U Value: 0.25

Depth: 100mm

Weight: 4.8kg

AT15

Structural Opening: 690 x 560mm

Clear Opening Once Installed: 538 x 570mm<

U Value: 0.15

Depth: 100mm

Weight: 5.4kg