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Airtight Loft Hatch Range 640 x 560mm Hinged

Now From £29.50 (ex. VAT)
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  • Airtight at 600Pa air pressure (Positive and negative)
  • Easy to fit and easy to open with hinge down movement
  • Patent application no. 1407745.7
  • Neatest loft hatch on the market, protrudes just 2mm from ceiling when fitted
  • Fits a structural opening of 645 x 560mm
  • Clear opening when fitted 530 x 520mm (Meets NHBC guidelines)
  • Fabricated from steel, finished in white Powder coat (RAL 9010)
  • Made from 80% recycled steel. GWP and ODP ratings of zero
  • 2 insulations options giving U values of 0.35 (60mm - Blue) and 0.25 (100mm - Black)

Why an airtight loft hatch?
The AT35 loft hatch is the first air tight loft hatch of its kind. Insulated to meet Part L of the building regulations the AT35 is airtight in both positive and negative air pressures at 50Pa. This hatch is designed specifically to meet the stringent demands new properties are subjected to ensure they are as airtight and well insulated as possible. The air permeability test is based on BS EN 1026:2000 and BS EN 12207:2000 for a ceiling use only.

Easy to fit
Fitting is a doddle, just screw fix through the pre-drilled holes in the frame into the surrounding joists. The spring loaded twist catch lock ensures a high compression seal between the door and the frame. The outer frame is also fitted with a seal to ensure air cannot easily escape from around the outer edge of the hatch.


This steel loft trap protrudes just 2mm from the ceiling when fitted. You'll also notice its lovely clean lines and smooth finish (Powder-coated in white) it's the neatest loft hatch on the market.  Let's face it does anybody really want a great unsightly lump of plastic protruding from their ceiling?

Insulation - 65mm of foam insulation bonded to the inside of the lid

Product dimensions
Fits a ceiling opening of 640x560mm
Clear opening once installed 538x520mm
Frame around lid: 25mm (all sides)
Depth AT35: 60mm AT25: 100mm
Protrudes just 2mm from ceiling when fitted
Hinged on the 560mm side

Lock options:
Standard: Twist lock with a tri-drive lock body
Optional: key lock available (at extra cost) Please note pole not suitable for use with this option


5.00 out of 5 based on 2 ratings.
Showing 2 of our total 22 reviews, with an average rating of 5 stars. Read all 22 reviews for Airtight Loft Hatch Range 640 x 560mm Hinged.
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  • Currently 5/5 Stars.
5Good product and service

Loft hatch is extremely good for the price and looks great compared to the plastic ones. First one arrived damaged in transit and Jupiter Blue were great at sending out a replacement on a day that suited me. Would definitely recommend.

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  • Currently 5/5 Stars.
5A well made product delivered on time.

Sturdy, neat and compact product, well insulated and sealed and easy to install.

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