- Closet flange extension ring
- Builds up existing flange when adding subfloor, tile, etc.
- Leaves existing flange at or below floor level
- Can be stacked if needed
Sioux Chief Mfg. Co. Inc. was founded and incorporated in August, 1957 by the late Martin E. “Ed” Ismert, Jr. in an attempt to smooth the boom-bust housing cycle that his plumbing wholesale supply company experienced. Sioux Chief got its start during the late ‘50s by packaging specialty fasteners and other items geared toward residential plumbing jobs. In the early ‘60s, Ed borrowed the idea of spinning copper tube closed for simple air chambers and adapted it for stub outs which could be us