Have you cleaned the grease buildup in microwave lately? Picture: TikTok/@nahille_. Frequent maintenance is also the easiest way to maximise the lifespan of an appliance and get better bang for buck.

Avoid the inhalation of dust – wear a suitable dust mask when dry sanding. If applying to base plaster or a highly porous surface, apply a mist coat of Churchgate Matt paint, reduced 10% with water.