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Institution Forums > General > Floor Loading View modes: 
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Site User
Site User - 24/10/2017 16:09:24
Floor Loading

I wonder if someone could help. We are currently constructing a new bathroom and would like to install a stone resin circular bath. The bath (empty) weighs 190kgs, it has a water capacity of 0.52m3 and sits on 4 rubber feet positioned on a 400mm radius from the centre of the bath.

Our floor joists below are C24 graded 200mm by 47mm spaced at 400mm centres. The floor joists have not been doubled below where the bath is going (as they should have been). We have 22mm tongue and groove flooring above both screwed and glued to the joists and this will be covered by floor tiles

Before I spend a silly amount of money on the bath, I am concerned that we may be putting too much load on the floor joists. Could anyone give me an idea of how close this is getting to being unsafe?

Thank you in advance

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Site User
Site User - 24/10/2017 16:11:58
RE:Floor Loading
Sorry, I should have added that the joists span 2.8m

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Member (MIStructE)
Member (MIStructE)
Christopher Tomlin - 07/12/2017 17:02:26
RE:Floor Loading
If you  search the site there will be an engineer who is happy to make this assessment for you.  Typically there will be a fee.


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