Can my floor support a bathtub?

In general, unless there is something wrong with the joist spacing or the wood has rotted, the framing in most houses should be able to support a standard size cast iron tub with no problem. A standard size is approximately 32 inches wide by 60 inches long.

Do you have to reinforce a floor for a bathtub?





Traditionally bathroom floors are built to withstand the pressure of an average bathtub (full), but in some cases the floor can be weak, or if you are looking at getting a larger tub, you might need to look into reinforcing the flooring.

How are bathtubs supported?

Quote from the video:
Quote from Youtube video: Most bathtubs are supported with three in three spots attached to the wall. And usually you don't nail into these Ledger's these the tub just sits on top of the ledger.

How much weight can a bathroom floor hold?

Based on some research, the typical home is constructed (US) to support 40 lbs/ft. Using this value brings the total weight limit of the entire bathroom to around 2,200 lbs.

How much weight can floor joists hold?

That means the joists can support a minimum of 40 pounds per square foot live load. Though, by consulting the 50 pounds per square foot live load/10 pounds per square foot dead load table, you can see the joists’ span would need to be reduced to 11 feet 11 inches to support heavier weight safely.

How do you reinforce floor joists in a bathtub?





Quote from the video:
Quote from Youtube video: The floor joists tip number six is reinforcing floor joists with plywood reinforcing joist wood plywood is is a very effective technique and it allows you to add strength.

How much weight can 2×8 floor joists hold?

A 2×8 will adequately support a dead load of 20 psf and a live load of 40 psf depending on some factors, including allowable span. This equates to a total load of 60 psf. Therefore, for a 2x8x10, the total load would equal 600 pounds per lineal foot.

How thick should subfloor be under bathtub?

Subfloors typically consist of 3/4 or 1-inch thick tongue and groove plywood or oriented strand board.

How much weight can a second floor bathtub hold?

So, how much weight can your bathtub hold? Research shows that a standard tub made of porcelain can hold around 40 to 60 gallons of water or 335 to 500 pounds. That might seem like a large span, but that is because the amount a tub can hold is also directly related to its size.

Can a bathtub be too heavy?



As long as the building you are purchasing the bath for is structurally sound and meets building regulations, a cast iron bath will not be too heavy for the floor. Houses are built to withstand just such eventualities.

Do acrylic baths have a weight limit?

We looked into it and have discovered some typical weight and weight capacities for this bathtub material. The average weight of an acrylic bathtub is approximately 100 pounds, and depending on the shape and type of the tub, it can hold up to 1,000 pounds.

How heavy is a tub full of water?

According to Appliance Analysts, an average bathtub can weigh from 85 to 190 pounds, but once you fill it with water and a person, the actual weight can be well over 1,000 pounds. What is the best way to ensure that a floor can support this?

How much does a soaker tub weigh?



How Much Do Cast Iron Bathtubs Weigh? (15 Examples)

Tub Empty Weight (lbs) Total Weight (lbs)
Aqua Eden Clawfoot Tub 280 805
KOHLER Memoirs Tub 350 816
KOHLER Dynametric Tub 345 828
Aqua Eden Petite Clawfoot Tub 250 841

How do you install a bathtub on a concrete floor?

Quote from the video:
Quote from Youtube video: The first step is to dry fit your bathtub without connecting into any pipes and ensure that it sits level. Okay so we're gonna be installing a Kohler tub. And a concrete subfloor.

Can your bath fall through the ceiling?

If the floor joists rot enough, they can suddenly give way, causing the shower and anyone in it to fall into the room below. If you suspect the floor joists are rotting, you must examine the joists either by tearing the bathroom floor or the ceiling in the room below.

Can a bathroom floor collapse?

If this material is subject to moisture or hidden leaks, the plywood will rot and the floor will start to feel soft or spongy in places. Your toilet may also feel unstable (rocking) when you sit down. If left unattended, eventually the entire flooring system under the bathroom will collapse.

How do I stop my bath from dropping?



If the bath is dropping then simply tightening the feet might help take up the movement and force the bath up to the seal. You might also consider measuring the distance from the underside of the bath lip to the floor and providing a supporting frame.

Why is my tub sinking?

Water damage can rot away wood, wear down the structure holding your bathtub, and also cause mold problems. This is not the only thing that can happen that could cause your bathtub to start sinking into the floor. The pipes under the tub cannot be easily checked for leaks or wear and tear.

How do you know if floor is under tub rotten?

Although the term sounds humorous, this is one of the most common signs of water damage on your floor joists. You may notice the area around your tub to act slightly ‘bouncy’ when walking on it. This ‘bounciness’ is a clear sign that the wooden joists under the subfloor are rotten, and thus, weakening.

Why is my bathroom floor bulging?

Warped, cupped or bulging floors



If your floor becomes uneven, it is a likely sign that water has begun to seep into your flooring, separating the material from the foundation of your home. Overtime, the water will cause your floor to warp, becoming uneven and unstable with additional pressure.