Sealing a new bath

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Over Christmas I started to refit our bathroom, I'm limited time wise since going back to work so just trying to do little bits.

However I had ripped the full bathroom out, I moved all the plumbing to suit the new bathroom suite and I Aquaboarded the walls round the shower end of the bath.

I then fitted an Acrylic L shape bath backwards - so the straight edge is on the outside. As the wall brackets wouldn't fit in this configuration I built a wooden frame which is screwed to the wall were possible and also has vertical supports where possible. It also has the standard leg arrangement underneath.

To build the wooden frame I did it as a 2 part frame. The first frame is lower, then the inner frame is slightly higher to ensure that the bath rested on the right bits and not just on the lip.

My final job to put the bath in place before I tile around it is to seal it in place to the wooden frame.

I just want to double check that I am doing it in the right order/way before I start as it won't be easy to redo after!

What I was going to do is to lift the bath out and apply sealant to the bath frame and to the walls - then place the bath back in. Check that all is level and fill the bath with water (must remember to connect the waste back up before that point!) At this point should I adjust the legs at all - or just check that they are all secure against the ground and screw them down? Once I was happy that everything was in place I was going to apply any extra sealant between the walls and the edge of the bath if necessary and then leave it cure. Then I would empty the bath and I would then begin to tile from the edge of the bath up, sitting the tiles on a tile spacer to give an expansion gap - once it is all tiled I would then fill the bath again with water and run sealant between the tiles and the bath edge.

Does that sound the correct order to do things? Anything to watch out for?

My only thought reading it back is that it might be sensible to use bags of sand rather than water to weigh the bath down?
 
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Level the bath prior to filling and then check and secure. Seal to the wall/frame as a first fix and fill bath prior to it going off, then seal along top edge as the 2nd seal with the bath filled, then tile and seal under and along tile edge as the 3rd seal. All you're doing is weighing down to ensure there minimal flex at the seal when in use, no need to go to the extreme of sand bags, just as long as there's weight in the bath while 1st/2nd seal's going off.
There shouldn't be a huge amount of movement anyway but this way it avoids the seal being pulled too far and breaking.
 
Thanks, it is all level at the moment, but I figured it would be good to get some sealant on the horizontal surface to help bed the bath in on the frame it sits on.

Hopefully get a bit further with it soon!

Thanks for your reply.
 

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