Interlocking form liners that can be used to create fire rings, fountains, pillars and walls. Made of polyurethane, the interlocking liners snap right into standard-size Sonotube forms, allowing you to achieve a natural stone texture with no additional labor involved.
Proline River Rock Form Liner
This Random River Rock Form Liner is a two part system for the most versatile results. The full liner is curved on all sides, therefore, Proline created the half tool. The half tool will give a straight edge on one or both sides. Use your imagination and innovation to make anything possible.
Proline Ashlar Liner Travertine Form
Create indulgence with this Ashlar Travertine Form Liner. Create a 1’, 2’, 3’, 4’ or even 5’ fire pit in your own back yard.