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Manthorpe GL250-015 PU Slide Lock Insulated Drop Down Loft Door - 562mm x 726mm

Product Code:
GL250 - 015/PU
Est. Delivery: 1-2 Working Days
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Manthorpe GL250-015 PU Insulated Drop Down Loft Door - 562mm x 726m

The GL250 drop down loft door is an innovative solution to the need for energy efficient loft space access, offering a cost effective alternative to traditional roof space access. The unobtrusive design coupled with sleek, contemporary styling makes the door an ideal match for modern decors.

The revolutionary design of the multi-point catch mechanism means that the GL250 door can maintain a more effective draught seal around the entire accessible opening, helping to meet the air leakage requirements of Part L of the Building Regulations and preventing the problem of moist warm air entering.

The GL250 has been independently tested by the BRE to BS EN 13141-1:2004, and easily surpasses the requirements for air leakage which are outlined in the current building standards, certification is available.

The door can also be used in conjunction with the GLL256 and GLL257 loft ladders and can be operated by the pole supplied with them.

Due to the high performing draught seal, this loft hatch is ideal for new builds or where air tightness targets have to be achieved.


Fitting size : 726mm x 562mm.
Opening size : 715mm x 545mm.
Visible Size : 856mm x 686mm.
uValue : 0.15 W/m2k.
Insulation material : Polyurethane.


  • Low profile design with sleek, contemporary styling.
  • The door and frame are fully draught sealed.
  • Seals are supported by multiple perimeter catches.
  • Sliding door mechanism is operated from a single point.
  • Innovative hinge detail is hidden when the door is locked.
  • The design allows for the door to be fully removed in seconds.
  • All hinge, catch and fixing geometry outside of the door seals.
  • Hinge pivot positioned to provide largest accessible opening.
  • Frame screws up into ceiling timbers for simpler installation.
  • Insulated area on the back of the door is fully maximised.

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Questions & Answers


I couldnt open mu door; is there's one thing special to open the door? Akind of special key or any tool? Thanks in advance. Hamdi


Please call in and speak with one of the team


would this fit my loft access which measure 740mm by 570mm or does it have to be exact?


The opening may need amending by someone to suit, would be best to get a builder out to have a check if that is possible. 

Please also see link below which will take you to the installation guide from the suppliers site which has more info about putting these in.


Have a question about this product?


5 / 5 4 reviews
25th October 2020
Easy to fit and use loft door.
Richard Parry
1st June 2020
It was straightforward to fit as I was framing a new opening. You do need to ensure that the ceiling is flat, or you'll need to shim the hatch frame to prevent the frame from distorting due to undulation in the ceiling. If there is too much distortion then the hatch won't close...its a snug fit, with little margin for error. Once fitted it is easy to operate and we're very pleased with the appearance.
Rich J
28th May 2020
The new Manthorpe hatch replaced an old DIY loft hatch. The ceiling looks really smart and the hatch has 150mm of loft insulation built in. .
2nd May 2020
Great product, easy to install. Delivered in 2-3 days
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Manthorpe GL250-015 PU Slide Lock Insulated Drop Down Loft Door - 562mm x 726mm

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