Fit a straight shower curtain rail to a metal stud wall

Fit a straight shower curtain rail securely by finding your wall type first and using the matching fixing.

SR-01Plan the position and gather your toolsHold the rail up at the height you want, usually 1900-2000mm from the floor, and mark the centre of each end bracket in pencil. Check the rail clears the shower head and any curtain rings you plan to use. Lay out your drill, detector, spirit level, dust sheet and fixings before you start so you are not hunting for things with tile dust everywhere.

1 each · Straight shower curtain rail, 1200mm

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1 each · Dust sheet

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1 each · Pencil

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SR-02Work out what's actually behind the tilesRun your detector over the marked area, then check for a stud pattern with a magnet or by tapping — a hollow sound between solid thuds usually means plasterboard on studs. Drill a small 3mm pilot hole at one mark: pale dust means plasterboard or timber, fine grey swarf means you've hit a metal stud, and a hard, gritty bore with no give means solid brick or block. Dot-and-dab feels hollow near the surface but solid a little deeper in, once you're through the plaster and adhesive dabs into the masonry behind.

1 each · 3mm masonry/multi-purpose drill bit

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SR-03Check for cables and pipes before you drillCables and pipes can run almost anywhere, not just in the 'safe zones' — a detector can miss deep cables, metal conduit, or anything behind metal-backed board, and a metal stud frame will confuse a cheap detector further. Before drilling, find your stopcock (usually under the kitchen sink) and check it turns freely, so you can shut the water off fast if you hit a pipe. If you have any doubt at all, isolate the relevant circuit at the consumer unit before drilling, and turn the water off at the stopcock before cutting into the wall.

SR-04Mark and level the fixing pointsHold the rail brackets against the wall at your chosen height and use a spirit level across both marks to keep the rail dead straight. Mark the centre of each fixing hole clearly. If one mark lands over a stud and the other doesn't, that's normal — just fix into whatever is actually there at each point.

1 each · Spirit level, 600mm

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SR-05Drill through the tilesStick a strip of masking tape over each mark to stop the bit skating on the glaze, then start the hole with a tile bit at slow speed and no hammer action. Once through the tile, switch to the right bit for the material behind it — masonry bit for brick or block, a standard bit for stud or dot-and-dab board.

1 each · Tile drill bit

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1 each · Masking tape

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SR-06Fit the right fixing for your wallSolid brick or block: drill an 8mm hole 40-50mm deep, fit a wall plug, and use a screw long enough to bite fully into the plug. Plasterboard on timber studs: where a mark lands on a stud, drive a wood screw straight into its centre — no plug needed. Plasterboard on metal studs: never use a wood screw or plain plastic plug, they'll strip straight through 0.5mm steel; use a self-drilling metal-stud fixing instead. Plasterboard between studs (any wall type): use a toggle or hollow-wall anchor rated for at least the weight of the rail plus someone leaning on the curtain. Dot-and-dab: use a fixing long enough to pass through the board and adhesive dabs and reach 30-40mm into the solid masonry behind — a short plug will only grip the dab, not the wall. Lath and plaster: the timber laths are thin and brittle, so find the timber studs behind them with your detector and fix into those, using a plug or screw sized for timber, not the plaster itself.

1 pack · Rawlplug wall plugs (mixed sizes)

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1 pack · Wood screws, 40mm

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1 pack · Self-drilling metal stud fixings

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1 pack · Hollow-wall toggle fixings

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SR-07Fit the brackets and railScrew each bracket home so it sits flat against the tiles without over-tightening, which can crack them or crush a plasterboard fixing. Clip or slot the rail onto the brackets and check it's still level end to end, then nip up any final grub screws.

SR-08Seal around the fixingsRun a thin bead of sanitary silicone around the base of each bracket where it meets the tile. This stops water tracking behind the fixing and into the wall, especially important over plasterboard or dot-and-dab.

1 each · Sanitary silicone sealant, small tube

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SR-09Tidy up and testWipe away tile dust and any silicone smears with a damp cloth before it cures. Hang the curtain and rings, then pull gently on the rail from both ends to check every fixing is solid before you run the shower.

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