Octaform is a PVC, stay-in-place concrete forming system that is ideal for the construction of high performance structures like vehicle washes, barns or commercial buildings. Because the built-in finish is watertight and food-safe, it is also ideal for tank construction. Whether it is for aquaculture, biogas* or even manure containment, Octaform is a superior yet economical choice. Octaform Quick Liner fastens to your structure and instantly transforms dark, dingy walls into a clean and bright environment that is resistant to corrosion, fade and dirt. more... See more text