Tanks are specialized storage units that can be used for both commercial and residential purposes. They can hold water, petroleum, hazardous wastes, chemicals, and other substances that must be stored for an extended period of time in a factory or home.
Different tanks serve different purposes, determined by the materials used in their manufacture. A water storage tank is any large vessel that stores water tank materials for later use in residential, agricultural, or industrial applications. Sizes range from a few gallons to thousands of gallons. Water storage tanks can be pressurized or not, and some are even buried. Unpressurized tanks are also known as atmospheric tanks because they are kept at atmospheric pressure.
We’ve shed light on the materials used to manufacture some common tanks, highlighting the material best suited for manufacturing water storage tanks.
- Underground Fiberglass Tanks – Made of corrosion-resistant fiberglass, versatile for a wide range of commercial applications.
- Carbon Welded Steel Tanks – Strong and long-lasting, not affected by Lyme disease leaching.
- Above-ground Storage Tanks – Made of concrete or fiberglass, used for storing caustic water, including waste, potable, and rainwater.
- Polyethylene Tanks – Made of plastic, ideal for those on a tight budget, common in rainwater collection.
- Stainless Steel Water Storage Tanks – Versatile tanks made of stainless steel.
What is the best for water tank materials?
While there are many options, plastic is the best material for water tanks. These tanks are non-corrosive and long-lasting because they are made of polyethylene. Unlike metal and concrete, they do not rust or corrode. Furthermore, these tanks are lightweight, easy to maneuver, and do not require heavy machinery for installation or relocation. Poly tanks are typically made in a single piece with no joints or seams and can be recycled once they have served their purpose.
Tanks made of polyethylene (or “poly”) are a popular choice because they are lightweight, durable, and simple to transport and install. They’re also UV-resistant, so if exposed to sunlight, they won’t degrade or become brittle. Poly tanks are available in a variety of sizes and shapes and are often the most cost-effective option.
Rotationally molded polyethylene storage tanks are made of high-density linear polyethylene (HDPE) or high-density cross-linked polyethylene (XLPE). Rotationally molded plastic tanks have improved structural integrity and durability when subjected to impact, puncture, or tears. They are also rust and corrosion-resistant.
Polyethylene is the preferred storage solution for chemicals because, unlike metal, it does not rust or corrode. Regulators frequently require the use of plastic tanks for the storage of certain chemicals, such as fertilizers, pesticides, pharmaceutical materials, and acids.
- Inexpensive and lightweight, making them easy to install.
- With a lifespan of 10-20 years, they are durable and long-lasting.
- Rust and corrosion resistance.
- Available in a variety of shapes and sizes to accommodate various spaces.
- Capable of enduring moderate water pressure.
- UV exposure may cause cracking and damage.
- May not be fire-resistant.
- High water pressure may be too much for them.
- Installation may necessitate the use of specialized fittings.
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