What is the rough opening for a standard bathtub? - De Kooktips - Homepage - Beginpagina (2024)

FAQs

What is the rough opening for a standard bathtub? ›

This is due to the fact that the tub flange or tub lip will site flush to the bare wall studs then finish work is done over the lip/flange. This is anchored to the wall to prevent movement. Hope this helps! Standard rough opening for a 60" tub is always 60-1/4".

Rough-In Dimensions for Baths & Showers

Discharge/drain hole from back wall: With the drain on the centerline, the opening for drain access can be 10-14 inches offset from the framing and 6-8 inches wide. Discharge/drain hole from back wall (vertical): Zero distance (drain located at floor height)

Standard tubs measure around 60 inches long, 30 inches wide and 14 to 16 inches high. They can hold 40 to 60 gallons of water. Soaking tubs should measure between 60 to 72 inches long and have a depth of 14 inches or more. Oversized tubs are over 70 inches long and have a soaking depth of 16 inches or more.

Are tub and shower drains the same? Typically, no – the drains that serve your bathtub and your shower are usually different sizes. The industry standard is for bathtub drains to be 1.5'' in diameter, while shower drains will be 2''.

The average size of walk-in tubs is typically 60 inches long by 32 inches wide, with a height of 38 inches.

Clearance in front of bathtubs shall extend the length of the bathtub and shall be 30 inches (760 mm) wide minimum.

The easiest way to figure out which kind of tub you'll need is to stand in front of your shower as if you are going to go into it. If the drain is to your right you have a right handed tub, and if the drain is on your left you have a left handed tub.

Your bathtub drain location is likely to be in either the left, right, or center of the tub.

Essentially, rough-in plumbing means that piping and drainage are planned and set up. Though plumbing rough in, once done, is not yet the finished state of the project, it is a crucial stage to complete so that the sink, showerhead, toilet, and other fixtures can be installed.

As you plan the location for your tub, remember that designers recommend the free space in front of the tub should be a minimum of 60 inches long and 30 inches wide, to allow users to safely enter and exit the tub.

How much space do you need around a bathtub? ›

Bathtub side clearances are recommended to maintain a consistent width of 30” (76 cm), with comfortable clearances set at around 44” (112 cm) and extremely minimal widths at 22” (56 cm). Bathtub Side Clearances refer to the standards of clear space maintained alongside a bathtub fixture.

A standard sink hole is 1-½” in diameter and will accommodate most lavatory drains. This information is listed with drain products. Drains can be purchased with or without overflow openings.

There are three common drain sizes for bathroom sinks, 1.25", 1.5" and 1 5/8 (1.625"). You need to select a drain that is the same size or SMALLER than the hole in your sink.

Keep in mind that shower drain assemblies are generally made to fit a 2-inch drainpipe, not the 1 1/2-inch pipe usually found on tubs. A 2-inch pipe is the recommended size because showers have a low threshold for flooding, and a 2-inch pipe helps the water drain faster than does a 1 1/2-inch pipe.

Small freestanding tubs are usually 45”-54” long and 25”-30” wide (or slightly less) with a height of 15-23 inches. These tubs are designed with smaller bathrooms in mind as they take up significantly less space than a standard size freestanding tub.

Always allow at least 200mm between the edge of a freestanding bath and the wall behind, and 300mm from each end. You'll thank us when it comes to cleaning around it! If you're building in your bath, you've got more flexibility with the depth of tiling around the edge.