
Strong, lightweight, rigid tube forms for round concrete columns with a light spiral finish.

A heavy duty 100% recycled plastic liner is inserted within the spiral tube to achieve a smooth, even , class 2 finish.

Thicker more rigid wall for improved crush resistance for piers and void formers.

Split tube system for difficult columns requiring side fitting techniques.

External support system to enable sloped/inclined columns.

Varied diameter tubes from top to bottom.