Fit a venetian blind to a timber stud wall

Fit a venetian blind safely, checking stud type, bracket fixings, and cord safety before drilling into your wall.

VB-01Unpack and check the kitLay everything out and check the headrail length matches your window, and that you have all brackets, screws, and the cord cleat. Clear the windowsill and lay a dust sheet below the window. If you're working above head height, use a stable step, not a chair.

1 each · Venetian blind kit (cut to size)

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1 each · Dust sheet

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VB-02Mark and level the bracket positionsDecide whether you're fixing brackets to the underside of the window reveal or to the wall above it — face-fixing above the window is usually easier and stronger on a stud wall. Mark one bracket near each end, and a centre bracket too if the blind is wider than 1.2m. Use a spirit level to check all marks line up, not just your eye.

1 each · Pencil

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1 each · Spirit level

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VB-03Check for cables and pipes, and know how to stop themRun a detector over every mark before you drill. Cables and pipes can run almost anywhere, and detectors miss cables that are deep, in metal conduit, or behind metal-backed board — treat every hole as if something could be behind it until you've proved otherwise. Find your stopcock now (usually under the kitchen sink) and check it turns freely, so you can shut the water off fast if you ever hit a pipe. If you have any doubt at all, isolate the relevant circuit at the consumer unit before drilling.

1 each · Cable and pipe detector

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VB-04Work out timber stud or metal studEven on a 'timber stud wall' it's worth checking each fixing point, since metal studs are common in flats and anything built or refitted since the 1990s. Track a line of screw heads with a magnet or use your detector's stud mode, and listen for the dull thud of a stud against the hollow sound either side. Drill a small pilot hole at one mark — timber dust means a timber stud, fine grey swarf means metal.

1 each · Magnet or stud detector

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VB-05Fix brackets into a timber studDrill a 2mm pilot hole 30mm deep into the centre of the stud, never at the edge where it can split. Drive in a 4mm x 30mm wood screw provided with the kit until the bracket sits flush. If a bracket mark falls between studs rather than on one, use a plasterboard toggle fixing rated for at least 5kg rather than a plain wall plug.

1 each · 2mm pilot drill bit

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6 each · Wood screws 4mm x 30mm

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2 each · Plasterboard toggle fixing (rated 5kg+)

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VB-06Fix brackets into a metal studIf your pilot hole brought out steel swarf, you have a metal stud. Use a self-drilling metal-stud screw or a self-drilling hollow-wall anchor driven straight through the plasterboard and the 0.5mm steel channel — never a plain plastic wall plug and never an ordinary wood screw, both of which strip straight through the metal. If a bracket mark falls between studs, use a toggle-type hollow-wall anchor rated for at least 5kg. A wide or heavy wooden-slat blind on a wide window may need a timber noggin fitted between the studs first, or fixing through to the masonry behind, since a metal stud alone won't hold a load that pulls away from the wall repeatedly.

6 each · Self-drilling metal-stud screws

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2 each · Hollow-wall toggle anchor (rated 5kg+)

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VB-07Fit and level the headrailOffer the headrail up to the fixed brackets and check it sits level along its full length before clipping it in. Push or snap the headrail into each bracket as shown in the kit instructions, and give it a firm tug downward to check it's locked in and won't drop.

VB-08Test the blind and secure the cordsRaise and lower the blind fully, and tilt the slats with the wand or cord to check nothing snags or rubs the reveal. Trim any excess cord length if the kit allows it. Fit the safety cleat hook supplied high up on the wall, well out of reach of children, and wind the cords onto it whenever the blind isn't being adjusted.

1 each · Cord cleat hook (usually supplied)

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VB-09Tidy upVacuum any drilling dust from the sill and floor, and fold away the dust sheet. Bin the packaging and offcuts, and do a final check that all brackets are tight and the blind runs smoothly.

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