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Airtight Loft Hatch Range | 640 x 560mm | Hinged

Now From £29.50 (ex. VAT)
Was: £33.20 (ex. VAT) You Save: £11.10 (ex. VAT) (33%)
( £26.52 (inc. VAT) inc. 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 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 9 reviews, with an average rating of 5 stars. Read all 9 reviews for Airtight Loft Hatch Range | 640 x 560mm | Hinged.
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  • Currently 3/5 Stars.
3Nice, but short on insulation

The product is nice, easy to fit and looks good when up, however the insulation is only 65mm thick not the 100mm as described, which isn't a massive problem but I don't like not getting what I'm promised!
**Note from Jupiter Blue: Thank you for your review Jonathan. We can't trace you from your review so hopefully at some point you'll see this. We've just changed the insulation to a more efficient foam based material which is 65mm instead of the EPS insulation which was 100mm. The only problem is we forgot to amend the website to reflect this. Thank you for doing so and please be assured the product is as effective as it should be. 

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  • Currently 5/5 Stars.

Although the product arrived damaged this was not the company's fault. It appears that that courier company were at fault. Pictures of the damage box was sent and Richard sent a replacement. Very please with the product and will be placing another for my mothers property.

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