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When you have a hot shower steam is generated and, because it is warmer than the surrounding air, it rises. As the steam flows upwards, cooler air flows in to the lower level of the shower. If the shower is not fully enclosed, the steam will flow out the top of the shower area and the cooler air will flow in near the base of the shower. If the air cannot easily get around the curtain, it will push it inwards as it flows past. Ways to address this are:

  • fully enclosing the shower to keep the steam in
  • weighting the curtain base
  • having significant gaps beside the curtain to let air in
  • hanging the curtain so it is held against the shower base lip by its own weight by positioning the rail well outside (>100mm beyond) the line of the base. (This will mean that if the curtain swings outside the shower base it will drip on the floor, so needs a high lip to hold the curtain in.)

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This effect is caused by a small reduction in the air pressure of the column of air that is inside the shower curtain. The reduction is caused by the pressure of the water being sprayed out of the shower head having to drop from a higher pressure towards normal atmospheric air pressure. This effect is known as the Venturi Effect.

The air does not quite reach normal atmospheric pressure until it gets out of the column of air formed by the shower curtain. Because that column of air is at a lower pressure than the air outside the curtain, the curtain gets pressed inwards by the higher (but normal) air pressure in the rest of the room.

This effect happens the same no matter if the water temperature is hot, medium or cold.

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Q: Why will a shower curtain fly toward the shower when the shower is running and hang straight down when it is off?
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I see this all the time. Shower curtains and shower habits are tough on drywall. The best thing to do would be install a shower door and track that keeps the water in. Understanding that this may not be an option here are a couple other things . 1- make sure the curtain is inside the tub when shower is on. 2-point the shower head toward the other side of the wall when using shower to help spray from splashing outside curtain. 3-they make suction cups that attach to shower curtains that you can keep the curtain tight to the walls to help spray from splashing outside the curtain. 4- You can silicone a plastic strip along the tub wall to help keep water from running outside the tub... 5- make sure it isn't water from your shower valves that is leaking from the wall and running down to the drywall. 6- Purchase a Shower Leak Prevention product like the NoMorWetFloor at www.nomorwetfloor.com


When water is turned on in a shower the water curtain moves toward the water because?

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How to Select the Right Color of Shower Curtain?

Choosing a shower curtain might seem like a simple task to be completed at your local department or home supply store. But you might be surprised to show up at your shopping expedition only to find yourself a bit befuddled by what kind or color of shower curtain to choose. Patterned or plain? Colorful or dull? Light or dark? It might suddenly seem that the waters have been muddied and your decision is not so clear. To make your choice a bit easier, here are a few things to consider that might help you with your selection.LightingWhen deciding upon a color of shower curtain for your bathroom, you might want to consider lighting. The amount of light that makes its way into your bathroom from outside or interior sources can affect the color you decide upon for your curtain. A super bright bathroom can be toned down a bit with a darker colored curtain, while a darker bathroom might be lightened with a brighter tone. You may also want to consider how much light is actually blocked from outside the shower by your curtain. A darker color of curtain could make the interior of your shower feel like a cave and even make it dangerous if so much light is blocked that seeing well becomes an issue.Interior DecoratingThe choice of color you select for you shower curtain may also hinge upon the style of your bathroom&rsquo;s decor. Matching the color of your curtain to existing wall or tile colors could allow it to blend more seamlessly with its surroundings. If you are looking to liven up your interior decorating though, it might be worth considering a different or accent color for your shower curtain. To add some character or draw attention toward the shower area, it might be worth considering a patterned or themed curtain.AccessoriesMany times, people will decide to go for a themed look or particular color scheme within a bathroom. This could make choosing a shower curtain easier or maybe more difficult. For example, if your bathroom is patterned in blue, with blue soaps dishes, towels, bathmats, and similar accessories, a plain blue shower curtain might be the simple choice. But, if you are looking for an exact match or want to select a themed or patterned curtain, matching it to the existing accessories might not be as easy. In some cases it might be simpler to change the accessories to match the shower curtain rather than vice versa, and use your current accessories for a guest bath or sell them in a garage sale.Disclaimer:This article is for informational purposes only. Any action taken by the reader due to the information provided in this article is solely at the reader&rsquo;s discretion.


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