By choosing the right material from the start your bathroom will stand a better chance of withstanding long term damage.
Floor under bath tub.
A standard bathtub can hold between 40 and 60 gallons of water.
The most common reasons to replace this floor are that it can no longer support your bathtub and the wood has become rotten.
The in floor design gives tubs a more luxurious and stylish appeal than traditional tubs have.
Keep in mind this is all done before the walls roof are done so the hole also allows for some changes to the where the tub sits.
Such design makes tubes easy to get in and out because there is no need to climb over and out of the standard tub.
Excess moisture in the subfloor is a common reason for early replacement of bathroom flooring but it can be prevented by choosing the right material from the beginning.
The floor framing for bathtubs requires special attention.
Bathroom floors are notorious for suffering water damage and the area under the bathtub is no exception.
Therefore you ll want to keep that floor in peak condition.
So yes this is normal.
You must consider all of the weight the floor joists must be able to support.
All the plumbing is done under the concrete and in tub areas they keep a area to allow for the p trap.
The floor under your bathtub is the main element in supporting the tub.
A rotten floor a leak or even termite damage are some of the explanations why the.