Floor reinforcing for new bath
 

Hi all, i am planning to remove my downstairs bathroom ( to extend kitchen)
and put it upstairs taking some space out of one off the rooms do i need any
additional floor reinforcing for the bath?
cheers

--
Yours
Jason

In article , Jason
wrote:
Hi all, i am planning to remove my downstairs bathroom ( to extend
kitchen) and put it upstairs taking some space out of one off the
rooms do i need any additional floor reinforcing for the bath?

Highly unlikely: domestic floors are designed to take a load of 1.5kN/m2
(30lb/ft2). Typically the floor area next to the bath is as big as the
bath and has next to nothing on it, so you're looking at an area of
(say) 5'6" square x 30lbs = 907lbs safe load. Weight of empty bath + 30
gallons of water (300lb) + you (??) is hopefully a lot less than this.

If you're considering a big circular bath in the middle of the room and
multiple occupancy ;) then a check on the strength of the floor would be
wise.

--
Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
Free SEDBUK boiler database browser http://www.sda.co.uk/qsedbuk.htm
[Latest version QSEDBUK 1.10 released 4 April 2005]

Jason wrote:
Hi all, i am planning to remove my downstairs bathroom ( to extend kitchen)
and put it upstairs taking some space out of one off the rooms do i need any
additional floor reinforcing for the bath?
cheers


Id would make sense to have a couple of bits of timber to spread the
point load from the feet across several joists. I put some 44x44 battens
round the walls to support the rim and some 3x2 (mixed units!) across 3
joists for the feet. Probably OTT but you only do it once (hopefully).

Dave

"Jason" wrote in message
...
Hi all, i am planning to remove my downstairs bathroom ( to extend
kitchen) and put it upstairs taking some space out of one off the rooms do
i need any additional floor reinforcing for the bath?

I felt happier putting 20mm x 100mm planks under the feet, to spread the
load over as many joists as possible.

Colin Bignell

"Jason" wrote in message
...
Hi all, i am planning to remove my downstairs bathroom ( to extend
kitchen)
and put it upstairs taking some space out of one off the rooms do i need
any
additional floor reinforcing for the bath?


The building regs actually say all will be fine if you simply double up the
joists underneath the bath. No calcs or anything needed.

I'll be replacing a bath soon and wondering it if will be a good idea
to use some surplus Rockwool insulation around it to keep the water
hoter for longer - anybody ever done this?

In article .com,
"anon" says...
I'll be replacing a bath soon and wondering it if will be a good idea
to use some surplus Rockwool insulation around it to keep the water
hoter for longer - anybody ever done this?

I've wondered if it's worth putting a horizontal radiator made from a
load of copper tube under the bath so it's still being heated after
it's been filled.

anon wrote:
I'll be replacing a bath soon and wondering it if will be a good idea
to use some surplus Rockwool insulation around it to keep the water
hoter for longer - anybody ever done this?

I think not.
Without doing any sums, I think the vast, vast amount of heat loss is
going through the top, where the water surface is.

A closed tightly sealed 'bath curtain' might make a bit of difference.

Not so much reinforcing as load spreading. My metal bath + water + 200lb of
me made the floor boards bend very slightly causing the bath edging to crack.
The floor boards ran East to West so I put two 4" x 2" timbers under each
pair of bath feet but in the North South direction so as the spread that
load over more than one floor board. End of problem.


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