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Flexible Water Tank for Crawl Space

FAQ: Are there portable tanks that will fit under a deck?

Question: I am looking for a flexible tank I can fit in a crawl space under a deck, but unfortunately the doors into it are 48" wide by 39" tall. I was hoping to store 3000 / 4000 gallons or a multiple of bags to hold that amount. The Tank would be holding water for livestock watering.

Answer: Hello, and thank you for contacting us with your inquiry. You came to the right place! We have a large variety of Flexible Pillow Tank options. They are cost effective for storing all kinds of liquid over short periods or for many years indoors and outdoors and range in size from as small as 25 gallons to 250,000 gallons plus.

Questions? We can help! Call our team at 1-772-646-0597 or fill out our quote request form to discuss your requirements.


gray water tanksThe nature of the collapsible tank makes it easy to use, even in your unique situation. One of the best advantages of a collapsible tank is its ability to be easily folded up when it is empty. This will easily allow the flexible tank to fit through your designated storage areas. ** Note: Flexible tanks should not be placed in a roof space, attic, crawlspace or overhead.

After placing it in the crawl space and unfolding it, then it can be pumped and filled. If our Standard Sizes cannot fit inside your crawl space, we can custom manufacture the flexible tank to meet your space needs. The useable space must be large enough to accomodate the size of the tank when it is laid flat, prior to filling, with no obstructions. The area must be free from support pillars, beams, debris, pipes, or other protrusions.

Depending on what type of livestock watering you are planning on doing, different fabrics may work better than others. For agricultural purposes, customers typically use one of our Gray Water Pillow Tanks. These units are made from a general water-compatible fabric that can be used to store all types of non-potable liquids. View other Pillow Tanks.

If you are needing something that can later be used as drinking water, we also offer several additional fabrics that are NSF 61 and FDA approved for safe drinking water storage. The flexible tank for livestock watering is designed to safely store your potable water, brining no additional harm to your stored liquids.

All of our flexible tanks are manufactured from first grade materials and all provided with a certificate of fitness upon request. Each tank is warranted for a period of 1 year for workmanship and materials (full warranty details available on request) and certified for storage of approved liquids (an MSDS may be required to ensure complete compatibility). For additional information please view our Drinking Water Holding Tanks.

Questions? We can help! Call us 1-772-646-0597 or request a quote to discuss your project.