How To Know If Floor Can Support A Bathtub

If the tub is not level use a floor leveling mortar a form or material suggested by the tub manufacturer to level the floor under the tub.

How to know if floor can support a bathtub.

Trial fit the tub in the tub alcove. Hi i purchased a cast iron clawfoot tub that i would like to install on a second floor bathroom. Check the tub is level again on the main wall then transfer your level to the front of the tub. Set the tub flat on the floor and position a level on top of the tub.

It is 355 lbs 4 legs do not know weight. And then they ll push the tub kind of into it. A standard bathtub can hold between 40 and 60 gallons of water. When the spans are really long the member is controled by deflection consideations.

And they ll spread it out on the floor where the tub s going to be set. And that stops the flex that you re now experiencing. The house itself is wood frame pier and beam built in 1885 with an addition in 1941. Place your foot on the inside edge of the tub to hold it steady while securing one screw in the center of the tub on the main wall.

The bathroom is roughly 8 ft by 9 ft and straddles the line between the two 4 ft in the 1885 half 4 ft in the 1941 half. So just know that a normal deck raised 2 or more feet off the ground which might have support posts every 6 feet won t be enough to hold the weight of a hot tub. The tub should be level in all directions. You must consider all of the weight the floor joists must be able to support.

Once the tub is level you can attach it to the studs using 2 inch galvanized screws. The rigid nature of the bath tub distributes the loads in ways that reduces the effect on individual members there are often partitions on the floor below that reduce the spans on the joists under the bathtub. However i am unsure of how much weight the floor and walls below can support. This provides sufficient support for most cast iron bathtubs which run under 500 pounds even when full.

Need to know if floor can take read more. The floor framing for bathtubs requires special attention. If the floor was built using the general 16 inch spacing you can expect a bathroom floor to safely hold 40 psf. The good news is that if your deck is high enough off the ground to get under it s fairly easy to add support beams and posts to take the weight of your hot tub.

If the width is 32 inches you can stick to a standard floor. Measure the width typically 30 to 36 inches of the tub planned for the installation include any nailing flange in the width.