Shower vs Bath Water Usage

Shower vs Bath Water Usage: The bathroom constitutes the bigger half of all domestic house water usage. With so much water being used, there are easy opportunities to save both water and money.

Shower vs Bath Water Usage: The debate

The most important bathroom activity is bathing. There is a big debate whether bathing in a bath uses more water than taking a shower.

Shower vs Bath Water Usage: The debate

How much Water does a Shower use

The biggest factors here are flow rate and length (total time) of a shower.

An ordinary electrically heated shower puts out four litres (1 gallon) per minute. But the next statistic will suggest it is more like double that.

Home Water Works says that in most homes, showers are the third-largest user of water after toilets and clothes washers. The average American shower water usage is 17.2 gallons with the average shower length being 8.2 minutes. The average flow rate is 2.1 gallons per minute.

What is the average shower time

Men shower at an average of 7 minutes while women shower at an average shower length of 9 minutes.

An older person of say age bracket of 50 years and above showers for 4 to 5 minutes while teenagers can shower up to 25 minutes.

How much Water does a Shower use

With such diverse variation, it would be best to rather use the average statistic quoted by Home Water Works : 8.2 minutes.

How much Water does a Bath use

The biggest factor here is the size of a bath.

A bath uses between 50 to 150 litres (14 to 40 gallons) of water per fill, depending on the water level.

A bath filled about a third of the way up (which takes the water level over your belly button when you lie down) requires around 75 litres (20 gallons).

What uses more water, a Bath, or a Shower

Lets take the lowest then the average and finally the highest of all stats on both a bath and a shower and make a broad comparison.

Lowest Shower vs Bath Water Usage

Bath = 50 litres (14 gallons)

Shower = 4 liter (1 gallon) per minute (low flow rate shower head and setting) for 4 minutes (old person) = 16 liter (4.2 gallons)

So in this case the shower uses significant less water than a bath, at just about one third. (16 vs 50 | 4.2 vs 14)

What uses more water, a Bath, or a Shower

Average Shower vs Bath Water Usage

Bath = 75 litres (20 gallons)

Shower = 5.9 liter (1.55 gallon) per minute (average between highest and lowest) for 8.2 minutes (average American) = 48 liter (12.7 gallons)

In this instance the shower uses less than the bath, at approximately 2 thirds. (48 vs 75 | 12.7 vs 20)

Highest Shower vs Bath Water Usage

Bath = 150 litres (40 gallons)

Shower = 8 liter (2.1 gallon) per minute (high flow rate shower head and setting) for 25 minutes (teenager ) = 199 liter (52.5 gallons)

In this instance the shower uses less than the bath, at approximately 3 quarters. (150 vs 199 | 40 vs 52.5)

A very conclusive answer on the debate

In all 3 cases (lowest, average and highest) clearly the shower uses less water than the bath.

Still your unique home situation may be different. You might have a very small bath or a huge luxury bath (like the royalty of the Roman empire). This will factor the calculations and results quite differently.

As already mentioned with a shower the two main factors is flow rate and total shower time. So you might have a very high flow shower head (ex. Original HIGH FLOW SHOWER HEAD – 10.5 GPM – Water Blaster Brand) and very high pressure in your water supply. I have even seen people completely removing the shower head and run the shower without it, and even turn the taps fully open. So cases like this might also tip the scales.

Board behind Tile in Shower Comparison

Board behind Tile in Shower

Backer Boards Comparison : I’m going to break down by category and cover the finer points of each type of Board behind Tile in Shower.

Board behind Tile in Shower – Sheetrock/Greenboard

Board behind Tile in Shower - Sheetrock/Greenboard

Sheetrock in a wet area is a primary no-no. It generally works excellent for a kitchen backs plash or fire however as a shower tile backer board, it’s a horrific concept and in opposition to code. This additionally is going for moisture resistant drywall also called green board. It’s my expertise that inexperienced board isn’t authorized for residential moist areas anymore.

If sheetrock (drywall) receives wet it expands and swells and could break any tile which you’ve set up on it. There are better alternatives.

Glass Mat Gypsum Wall Board

Glass Mat Gypsum Wall Board

The most popular product on this category is Densshield tile backer board [edit: apparently USG has entered this space also]. This product has taken the area of green board. it’s miles made of moisture resistant gypsum but it also has a water-resistant coating on its face. Like sheetrock, it’s smooth to install and really least expensive. because of these items, it’s far the new favorite of home builders anywhere. in which they used to use inexperienced board lower back inside the 1980’s they now use this new gypsum hybrid.

In tract homes and new production, it’s normally set up by the sheetrock group. generally, the sheetrock group (and generally the tile installers) don’t recognise how to properly water resistant the seams, screw holes, and edges. however it’s reasonably-priced and lasts lengthy sufficient which is song to most tract home builder’s ears.

Board behind Tile in Shower – Fiber cement board

Board behind Tile in Shower - Fiber cement board

Fiber cement board and cement board are carefully associated. You’ve in all likelihood heard of Hardiebacker tile backer board. Fiberock is another famous product in this class. It’s a kind of gray/beige coloured board and is to be had at any hardware box keep.

The tile backer forums that have already been mentioned are pretty smooth to reduce via scoring and snapping. however Hardiebacker and its competition aren’t nearly as smooth. It’s an awful lot stiffer and tougher. reducing it in 1/2 is plenty less complicated than slicing a 1-inch strip off the brink. you could use a talent saw or handheld grinder with a diamond blade to cut it but it’s will get dirt everywhere. including your lungs, if you don’t wear a masks. a few have observed that Hardiebacker shears paintings nicely and don’t create too much dirt however the drawback is that the brink isn’t constantly a smooth cut.

For installing make certain to apply the proper screws (or galvanized roofing nails) whilst putting in. I opt for screws due to the fact they don’t bang at the wall and reason cracking within the sheetrock in the relaxation of the room. The seams have to be taped with alkaline resistant mesh tape and thinset.

But when it comes to getting moist those fiber cement Board behind Tile in Shower maintain up properly. they’ll absorb water however will dry out without losing their form. because they will absorb moisture there must usually be some sort of a moisture barrier whilst the use of these tile backer forums in a shower or different moist region. either a vapor-kind barrier behind the board or a waterproofing membrane on the front. this could take the shape of a sheet membrane or a paint-on liquid.

Board behind Tile in Shower – Cement Board

Board behind Tile in Shower - Cement Board

Popular Cement board brands are Durock, Wonderboard, and Permabase. just like the fiber cement boards, these may be tough to cut. the issue comes now not so much from the stiffness however the edges that disintegrate. It does take some getting used to. and they’re heavy. And difficult to maintain on the wall even as you begin your screws.

Cement forums have advanced over the previous couple of years. the rims don’t crumble as bad as they used to. Permabase is the one that I opt for and i can typically force screws into the very facet with out it breaking off. also, the water absorption is pretty low. you continue to need to water-resistant them just like the fiber cement forums above. And use the same screws and mesh tape.

Foam Tile Backer Board

Foam Tile

Wedi board is probably the most famous if, for no other purpose, that it’s been out the longest. Kerdi Board is any other choice with a decently lengthy history and constant customer base. greater these days, USG Durock foam board, Laticrete Hydroban Board, and Johns Manville GoBoard have all come available on the market.

There are some huge blessings to those panels for showers: they’re light-weight and don’t harm the partitions as you carry them into the residence and upstairs. they’re simply smooth to cut and the board itself is water-proof. No want for extra waterproofing. some forums will need additional framing blocks at the seams. Wedi Board behind Tile in Shower seems to be stiffer than most.

the primary drawback is the cost and maybe availability. the froth board itself is normally three instances the value of cement board. you then have to buy the urethane sealant which you use in among the joints of every panel (or banding for merchandise like Kerdi-board). And the immaculate screws and unique washers. All that stuff adds up – and rapid.

Backer Board Wikipedia

Water not coming out of shower head properly

water not coming out of shower head properly

Why is water not coming out of shower head properly? – You step into the shower and open the shower valve/s and you expect steams of water to shower all over you. Yet no water comes out of the shower head. Bummer hey ?!

Shower head blocked

Blocked pipes

Diverter Valve Malfunction

So what causes water not coming out of shower head properly?

water not coming out of shower head properly

You need good water pressure as well as good water flow to have a nice shower.



Shower head is blocked.

You need to clean / unblock your shower head

You need:

1) a zippered bag or sandwich bag, heck you could even use a produce bag.

2) an elastic band, tie wrap or hair elastic (I’m all about options)

3) white vinegar (no options here, just plain white vinegar)

clean / unblock your shower head

Water not coming out of shower head properly: Fill your bag about half way with vinegar and fasten the bag to the shower head.  Do this by enclosing the mouth of the bag over the shower head and fastening it tightly in place with the tie.  Ensure the shower head is fully immersed in the vinegar, it needs to be in order for this to work.  Let’s say yours is on a hose (like mine), then I’d suggest taking the hose down and letting it sit in the tub.  Let this sit for 12 hours, or 24 if the shower head is really crusty and you have an alternative shower you can use.

When done, simply remove the bag (careful not to get any vinegar on your or worse, in your eye), and dump down the drain.  Yes, it will smell for a few minutes but shortly thereafter you’ll notice no smell.  If you want to be super sassy, throw some baking soda down your drain before you dump out the vinegar and you’ve now also cleaned our your drain in the process (go you!).  Let the shower head run hot water for a minute before getting in, you’ll marvel at your handiwork; it will run like new!

If you are having stubborn stain issues, you can soak the shower head even longer to see if it will blast away.  If you wish, you can use some baking soda and rub that in to the small nozzles with a cleaning toothbrush which will help break down any additional limescale and remove the discoloration.  Rinse it clean and you should notice a difference.  Keep in mind that brown discoloration is ugly (I believe this has to do with iron content in water), but is not harming the functionality of the shower head. Green and white ‘crust’ is what you really need to work on, calcium and limescale are the culprits in clogging your shower head.



Water not coming out of shower head properly – Blocked pipes

Water not coming out of shower head properly - Blocked pipes

Before using any of these repair methods, plumbers will check to make sure there isn’t a faulty fixture or blocked faucet aerator causing the trouble. After ascertaining that a clogged water supply pipes is the culprit, they can use these methods:

  1. Pipe removal and cleaning: The plumbers locate the pipes with the clogs and detach them from the rest of the plumbing. They then use powerful cleaners to thoroughly remove the deposits from the inside, then restore the pipe to place and test the water flow.
  2. Pipe replacement: This is the common solution for when pipe clogging has become extreme and/or the pipe is made from corroded older material. Plumbers will track down the pipes that are causing the trouble and remove them and put in new pipes, usually made of more corrosive-resistant material (copper, PEX, CPVC) and with a larger diameter to reduce water pressure.
  3. Air pressure: This is essentially the “plunger” for a water supply pipe. Plumbers attach an air hose line to the faucet affected by a local clog. They blast air pressure into the faucet, then run the water to watch for dislodged corrosion, calcite, etc.



Diverter Valve Malfunction

Diverter Valve Malfunction

Water not coming out of shower head properly – If you have a bathtub with a shower installed in there as well, then you also must have a diverter valve. This valve is located at the shower faucet and it changes the flow of water. So, when you pull the diverter valve to one side, the water will only flow through the faucet or the shower head, depending on the side.

Anyhow, the problem might be located there as well. Simply speaking, if the diverter valve is old or just malfunctioning, water will not come out of your shower head properly.

This can happen due to the fact that diverter valve is regulating the flow of water and if it doesn’t work properly, neither will your shower head.

Height of Shower Valve?

Height of Shower Valve

You might be remodeling or you might be installing a new shower. So you are wondering: Height of Shower Valve? Shower valve/s placed to high or low will prove to be a huge ergonomic burden. Thus it is imperative to read this guide before making the call.

ADA (Americans with Disabilities Act)

Human length variation

Also consider with children using the shower, a valve placed too high, plus the playful nature of a child, will equal a head bumped on the valve. As some valves have relative sharp angled control knobs, there will be an extra shower … The tears of a crying child.

Well if you are the owner of the shower, I suppose you can choose any height that may please you. But…

If you are considering other people who might also use the shower, you might want to use the ADA (Americans with Disabilities Act) Shower Valve Measurements Requirements.

Height of Shower Valve



Height of Shower Valve? – ADA Shower Valve Measurements Requirements.

If you are considering other people who might also use the shower, you might want to use the ADA (Americans with Disabilities Act) Shower Valve Measurements Requirements.

Height Above Floor.

Shower controls area minimum height above the floor is 38 inches above the floor. The maximum height above the floor is 48 inches.

Height of Shower Valve



Height of Shower Valve? – Human length variation

The tallest member of the household should not have to bend to take hold of the shower valve/s.

An older member might have difficulty standing in the shower because of weak feet or legs. This member might want to sit on some chair inside the shower. Thus he/she should still be able to reach the shower valve/s.

Also consider looking up your local building codes, as not all towns and cities have laws regulating the installation of shower valves.

If building codes don’t regulate the location of your valve, place it in a spot that is easy for everyone to access.

A good rule of thumb: for Height of Shower Valve:

Install the valve/s between 36 and 48 inches above the shower floor.

A height of 28 inches, or 2 feet 4 inches, is standard for valves in bathtub shower units.


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