You can avoid cultivating mould and having the lingering smell of damp by ensuring the bathroom has adequate ventilation.

Install an efficient, fast-working exhaust fan for the best solution.

1. Mark the ceiling position

1. Mark the ceiling position
Handyman Magazine

Access the roof cavity to locate the ceiling joists.

The fan should fit between them.

Use masking tape to position the template supplied with the fan and mark the outline with a pencil.

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2. Cut out the ceiling

2. Cut out the ceiling
Handyman Magazine

Drill a 10mm diameter starter hole inside the marked outline and cut using a hacksaw blade or a jigsaw set on slow.

TIP: Position a dropcloth under the work area to catch the plasterboard dust as it falls.

3. Install the fan

3. Install the fan
Handyman Magazine

Have a qualified electrician hardwire a powerpoint into the ceiling cavity near the fan.

Plug the unit into this before installing.

Fit the unit into the cavity, slowly pushing it into place so that the spring clips lock onto the back of the plasterboard.

Clip on the cover plate and switch on.

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