What is the standard way to set the tub such that it is supported properly?
I assume most of the weight is carried by the bottom of the tub, but never the less the top edges need support too . When you uncrate the tub say in your garage do you just measure from the floor up to the bottom of the lip and make sure your deck area heigth meets that ?
Or do you subtract a 1/16 to make sure the weight is carried on the bottom of the tub an not by this lip?
is it a standard manufacturing dimension or does it vary even in one company model from tub to tub a little?
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cannt you set the height whatever you want then shim the floor or use cement from the floor to bottom of tub ?
Platform should be so that the tub bottom is an inch or two off the floor.
Set it in structolite you can't go wrong. (perlited gypsum)
"When the spirits are low, when the day appears dark, when work becomes monotonous, when hope hardly seems worth having, just mount a bicycle and go out for a spin down the road, without thought on anything but the ride you are taking." — Sherlock Holmes, 1896
yeah, you need to set in some type of mortar. If it's a fiberglass tub, it should have little feet on the bottom. The way I do it is, I shim under those feet with plywood squares to get it level. Then, I remove the tub. I keep the shims together though. Then I'll cover the floor with tar paper, and then I'll screw the shims down in the right locations. The I'll dump about a five gallon buckets worth of mortar and spread it to about 2-3 inches all around. I avoid the back of the tub because it's a waste to put it where the tub slopes up. Then I set the tub back down and work it back onto my shims so it's level. Then I shim the wall studs out to the tub flange. I think most fiberglass tubs come with metal clips to support the edge. Just place them on the flange and screw into the studs. Cast iron tubs are a PITA, but very similar. They also have little feet, so you can shim them. They don't really need the mortar though since they are heave and strong. They do need studs under them to support the flange though.
Ditto on setting it in mortar.
A trick I heard here: Put a dry cleaning bag over the mortar before you set the tub in it. It will let you pull the tub back out much easier if you have to make a repair.
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Rebuilding my home in Cypress, CA
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