Made to Measure Loft Hatch – Insulated & Air Tested
Product details
Made to your opening, to the millimetre
A loft hatch is the weakest point in an insulated ceiling. A standard hatch dropped into a non-standard opening leaves a gap, and that gap carries warm air into the loft for the life of the building. This one is made to the size you give us, so there is nothing to pack out and nothing to make good.
Maximum size 1100 × 950mm. Handmade in the UK.
Specification
- Insulation — 50mm mineral wool. U-value 0.32 W/m²K.
- Airtightness — tested at 0.23 m³/m/hr at 50 Pa [insert test report ref].
- Door and frame — 1mm Zintec steel, powder coated in 20% white gloss (RAL 9010).
- Ceiling protrusion — 7mm. Hinges and fixings are concealed.
- Depth above the ceiling — 63mm standard; 30mm where either dimension is under 450mm.
- Weight — approximately 6-12kg.
- Insulation environmental data — zero GWP, CFC and HCFC free.
Both lock types run a cam that pulls the door onto the seal as it closes, which is what the airtightness figure depends on.
How to measure
Measure the distance between your ceiling joists in millimetres and deduct 5mm. That is the size to order. The 5mm takes up the out-of-square you get in almost every opening.
The outer frame then sits on the ceiling and adds 25mm on every side, or 50mm if you choose the wider frame option. All four sides are the same width — the frame cannot be made wider on one side than another.
Locks
- Tri-Drive — the standard fitting. An O-ring seal at the lock gives the tightest closure, and the opening pole is supplied free.
- Key lockable — for lofts that need to be secured. The opening pole cannot be used with this lock.
If the hinge side is longer than 750mm, specify two locks. A single lock on a long door leaves the far corner of the seal under less pressure than the rest.
Options
- 50mm frame — a wider face, useful where the ceiling around the opening is damaged or where you want more cover over an untidy edge.
- Silver insulation cover — a faced cover over the mineral wool. Supplied uncovered as standard.
- Second lock — see above.
Fitting
Fixings and step-by-step instructions are in the box. The frame screws into the surrounding timber.
The door sits slightly proud on the lock side when new. That is the seal under compression, and it settles back over the first few months.
Delivery and returns
Made to order, in the lead time shown above, free delivery to most UK mainland postcodes. Lead times are working days and exclude weekends and bank holidays.
This hatch is made to your dimensions and cannot be returned.
Is this fire rated?
No. The SDS is an insulated, air-tested hatch and carries no fire rating. If the ceiling forms part of a compartment — a loft conversion, a flat, anything where building control is looking at compartmentation — you need a rated hatch instead. We make those to size as well: SDS-FR, 1 hour, up to 900 × 600mm, and SDS-FR-OS-90, 90 minutes, up to 900 × 900mm.
Reviews
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For the price you’d expect great workmanship & product which is exactly what you get. Emailed & got a prompt reply. Think the person on the other end knew I’d got in a muddle with where to put hinges as width is longer than length looking at it from landing. Tired after a lot of DIY they were right to seem confused as needed hinges on long side. Anyway my mistake & it really didn’t make any difference as fitted easily, door won’t get in the way, well made, perfect. Only down side is I’m 5ft 5” so can’t reach loft ladder with free pole. Will have to buy a longer one. Thank you
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I received the loft hatch quickly, it's very well made and was easy to fit. It's a shame the door can't be removed from the frame to aid fixing but with a little help I was able to install it quickly and it looks great, should have purchased this years ago.
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The loft hatch is excellent. It is well made and makes the access to the loft look as presentable as you can expect a loft hatch to look. I was a bit concerned about the size of the hatch as the opening isn't square, but after getting some advice by email I placed the order and the hatch was a good fit. It was a 2 person job to fit as you need 1 person to hold the hatch in place and another to mark where the holes should go. Other than that it was quite straight forward.
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This is the second hatch I have ordered and like the first it fitted perfectly, is well built and works well. Delivery was timely and I am very please with the product and the service I have received.
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The fact that I can order a bespoke hatch and it turns up in a bit over a week is quite impressive. The product is well finished and well packed for transit (though please think about non plastic solutions; I hate broken polystyrene foam!) It did everything it should except...it didnt seal at all well. The closure pressure at the latch just wasnt enough. So I'm not sure what 'Air Tested' actually means. Anyway an email to the company brought two spare latch cams. That didnt solve the proplem. Further investigation indicated that the non locking lath barrel had significant play. A new barrel was sent and now the seal is greatly improved. To test the seal I stayed in the loft with the hatch closed and the lights out. The light leak from below is a very clear indicator of unsealed gaps. In summary: a very good product (which could still be improved), the company responsive to problems found. Definately to be recommended.
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I ordered a bespoke loft hatch using the measuring recommendations. The hatch arrived, fitted perfect. Easy to install with a little bit of assistance holding it in place whilst I fixed it in place. Works perfectly and looks really great. Third time of using this company and the are always spot on all the way from ordering to delivery. Definitely rercommended
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Good product. I have bought and fitted three of these in the past few years. Good quality, easy to fit and easy to use. And they look very neat.
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The item arrived early and was very well made. It was easy to fix with just a little help to lift into place. I have no hesitation in recommending this company.
Specification
- Frame style
- Picture Frame
- Fire rating
- Non Fire Rated
- Material
- Zintec Steel, white finish
- Frame width
- 25 or 50mm
- Wall or ceiling
- Ceiling Only
- Insulated option
- 0.32 U Value