Southeast Water Services



Water tank liners are an affordable solution to a broad range of water storage tank problems. Liners can be used in new tanks or in existing tanks that leak, or have rust issues. This includes tanks made of wood, concrete, or metal. Tanks need not be liquid-tight, only structurally sound.

Each type of tank will require a different manner of installation and possibly a different type of material.

Large or tall tanks, city, state, or federal water systems or systems providing water to the general public should be lined with other types of materials such as NSF (National Sanitation Foundation) approved reinforced CSPE material. This type of lining material requires professional installation due to the fact that the liners are manufactured in prefabricated panels and completed inside the tank during the installation process with specialized equipment.

We offer two types of PVC material for water tank liners.

- 20 mil thickness, FDA recipe material, royal blue in color. It is a potable grade, flexible PVC material manufactured with FDA sanctioned raw materials which comply with Title 21, Code of Federal Regulations, part 174-182. This material is UV stabilized for exposure to sunlight and will take temperature variations from -20 to 120 degrees Fahrenheit.

- 30 mil thickness, NSF approved material, white in color. It is a potable grade, flexible PVC material that complies with NSF's requirements for contact with potable water. This material is not UV stabilized. It will also take temperature ranges from -20 to 120 degrees Fahrenheit.

PVC liners are manufactured slightly oversized to allow for long-term shrinkage. The estimated life of the material is 10-15 years, or longer, provided the tank remains full of water the majority of the time and not directly exposed to UV. The shorter lifespan will occur when the water is heavily chlorinated, is exposed to other chemicals in the water, has exposure to sunlight such as in an open-top tank, is allowed to sit empty for days or weeks at a time.

Do not fill a lined tank with an ordinary garden hose, since it may contain numerous additives and chemicals that can leach into the water. If using a hose, use one that is approved for potable water.

Prior to the professional liner installation, some preparation work may need to be done. This could include possible repairs, draining the tank, removal of sediment, cleaning the tank, replacing existing plumbing, etc.

Ideal Installation conditions are when temperatures range from 60-85 degrees Fahrenheit and when weather is clear or light overcast.

Professional installation is recommended.

Southeast Water Services