I bought a shower switch recently
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the instructions say to fit it to a "joist" or similar .I was thinking I could get a drywall box to fit it to the bathroom ceiling but It seems not . On the false ceiling there isn't a support in a suitable place but I can just about get access to above the ceiling in the place where I would like to fit the switch . If I was to place a piece of timber on top of the ceiling and fix screws through the ceiling to hold the timber in place then fit the switch to it do you think that would do .I didnt use 12.5mm plasterboard for the ceiling ,I used the thinner stuff .I was wondering if it might flex too much when the switch was operated .?Stuart