Stock tanks and livestock waterers
Replacement Liners for Bottomless Stock Tanks
A bottomless livestock tank depends on the prepared base or an installed liner to retain water. A compatible replacement liner can be useful when the existing liner is damaged, when a tank is relocated, or when soil conditions make a dependable seal difficult to maintain. Before ordering, identify the tank's diameter, wall height and manufacturer-specific fastening arrangement; a liner sized for a different tank may not seal correctly.
Inspect the Tank Before Replacing the Liner
Drain and clean the tank safely, then inspect the sidewall, seams and lower edge for corrosion, sharp metal or loose hardware that could puncture the replacement. Check the prepared base for rocks, roots and uneven spots. Repair underlying problems before installing new material; a fresh liner cannot compensate for an unstable or damaged tank structure.
Installation and Leak Checks
Follow the supplied liner and trim-lock instructions. Position the material evenly, avoid stretching it across sharp edges and secure it with the correct clamps. Fill gradually while inspecting the perimeter for movement or leakage. Do not introduce livestock until the liner is seated and the tank is stable. Keep spare material and fastening components protected from sunlight and physical damage during storage.
Frequently Asked Questions
Will any liner fit a tank with the same diameter? Not necessarily. Wall height and fastening design matter too.
Does a liner eliminate the need for site preparation? No. A smooth, stable base is still essential.
Replacement Liner Kits for Bottomless Stock Tanks
These polyethylene liner kits fit compatible Sioux Steel bottomless stock tanks. A liner creates a water-retaining barrier inside the assembled tank, reducing seepage into the ground. It can be useful on porous soil or where a lined tank is preferred over preparing a sealed soil or concrete bottom.
Each kit includes the liner, clamps and trim lock for the selected tank size. This page is for the liner kit; the steel tank is not included. Select both the tank diameter and wall height when choosing a replacement.
Liner Material and Package Contents
- 36-mil polyethylene liner
- Clamps and trim lock included for the selected kit
- Options for 15-, 21- and 27-foot-diameter tanks
- Options for 25-inch and 33-inch tank walls
- Designed for compatible Sioux Steel bottomless tanks
The liner material is reinforced polyethylene. The N36B material data sheet lists 36 mil as the typical thickness. A mil is one-thousandth of an inch; it is not a millimeter.
Available Sizes and Kit Weights
| Tank diameter | Tank height | Listed kit weight |
|---|---|---|
| 15 feet | 25 inches | 152 pounds |
| 15 feet | 33 inches | 157 pounds |
| 21 feet | 25 inches | 232 pounds |
| 21 feet | 33 inches | 238 pounds |
| 27 feet | 25 inches | 327 pounds |
| 27 feet | 33 inches | 334 pounds |
Dimensions identify the compatible tank diameter and wall height, not the size of a flat sheet. The weights shown are the listed liner-kit weights, including the associated kit components; they are not the liner fabric weight alone or the weight of a complete steel tank.
Planning a Replacement Installation
Confirm the tank model, diameter and wall height before ordering. Inspect the existing tank and the area beneath the liner for damage, sharp edges or debris that could affect the installation. A replacement liner does not repair weakened or damaged steel walls.
Allow enough working space to position the liner without dragging it over sharp objects. Check the edge protection and liner-retaining components, then fit and secure the liner using the components supplied for the tank. The installation video below shows the overall tank system and provides context for the liner arrangement.
Bottomless Stock Tank Installation Video
Material Specification Sheet
Dura-Skrim N36B liner material data sheet provides the published material properties. These material values do not replace checking the fit of the complete tank and liner kit.
Maintaining a Lined Livestock Water Tank
A liner helps contain water, but water quality still depends on the source, cleaning and routine maintenance. Check for punctures, displaced clamps and wear at the tank edge, and monitor the water level to identify possible leakage.
Plan water supply and storage for the herd's needs. The liner does not refill the tank automatically, prevent every source of contamination or guarantee that water will remain available at all times. Contact Barn World with your tank details if you need help selecting the correct replacement kit.