IKEA DETOLF hamster cage conversion

An IKEA DETOLF glass display cabinet laid on its back gives 1,086 square inches of continuous glass floor — 140 percent of the published 775 square inch minimum — for a fraction of what a purpose-built enclosure of that size costs. It ships with no lid, so building one is the project. Its 14.6 inches of internal height is the real constraint, because ten inches of bedding plus a 12-inch wheel does not fit.

The arithmetic

1,086 square inches puts a DETOLF among the three largest hamster enclosures available at any price, and it is not sold as a pet enclosure at all, which is the whole appeal. The trade is that you finish it yourself.

The height problem, and the two solutions

14.6 inches of internal height is the DETOLF's real limitation. Fill to PDSA's ten inches of bedding and you have 4.6 inches left, which will not take a 12-inch wheel — and a 12-inch wheel is PDSA's figure for a Syrian.

Two established ways round it, and both are normal setups rather than fudges:

1. 1.Grade the bedding. Ten or eleven inches at one end for burrowing, tapering to three or four at the other where the wheel stands. The hamster gets full depth where it digs and a stable floor where it runs. This is what most DETOLF setups do.
2. 2.Mount the wheel through the lid. A wheel suspended from the mesh frame, running above the bedding line, keeps the whole floor at full depth. It needs a properly engineered mount, because a wheel that comes loose is worse than one that is slightly low.

For a dwarf hamster the problem mostly disappears: an 8-inch wheel needs about 9 inches of clear height, so grading by a few inches is enough. See hamster wheel size.

Building the lid

This is the project, and it is a genuine afternoon rather than a five-minute job. The lid has to cover 64 x 17 inches, be rigid enough not to sag, sit securely, and be mostly mesh.

1. 1.Build a frame from 1x2 timber, external dimensions matching the cabinet opening plus an overlap. A center brace across the short axis stops a 64-inch span sagging.
2. 2.Sand and seal the timber. Bare wood absorbs urine if the animal climbs; a water-based sealer is enough.
3. 3.Staple or screw galvanized hardware cloth across the frame, eighth-inch or quarter-inch aperture. Eighth-inch is the safer default and the right choice for a dwarf.
4. 4.Cover every mesh edge with trim or by folding it under the frame. Cut hardware cloth is sharp and a hamster will investigate the edge.
5. 5.Add weight or a latch. A frame resting on glass will be pushed at. Either make it heavy enough not to move, or fit a simple catch at each end.
6. 6.Check the fit with a torch before the animal goes in: any gap a pencil fits through is a gap to close.

Moving and siting it

• Assemble it where it will live. A DETOLF laid on its back with 150 liters of substrate in it is not moving again without emptying.
• Support the full length. The particleboard base panel will flex over a span. Put it on a surface that supports its whole footprint, not on two trestles.
• It is glass. Tempered glass is strong and it does break, and the failure mode with tempered glass is dramatic. Keep it off the floor in a busy room and away from anything that could fall onto it.
• Away from direct sun. A glass box in a sunbeam heats like a greenhouse, and a hamster in a burrow underneath cannot leave. See cage placement.

What the DETOLF is genuinely best at

Floor area per pound spent. Nothing else comes close. It is more floor than the largest purpose-built enclosure we assessed, at a fraction of the price.

Material. Glass is inert, non-porous, does not absorb urine, does not scratch like acrylic and does not swell like MDF. On a two-year view it is the best material in this category — see cage materials safety.

Visibility of the burrow. With glass on all four sides you can see the tunnel structure from the side, which is genuinely interesting and practically useful for checking the substrate has not settled below depth.

Who should not do this

Anyone who does not want a project. Building a 64-inch mesh lid is real work, and a conversion done badly — a sagging lid, an unsealed frame, a gap at one end — is worse than a smaller bought enclosure done properly. If that is you, the honest recommendation is a tub conversion, which is a much smaller build, or one of the purpose-built enclosures in best hamster cages.