Calandra Group, LLC an affiliate of ground control firm Jennmar, and ABC Technology Group USA have announced the formation of a new Joint Venture company, Turnstone
Industrial Solutions, LLC. Turnstone Industrial Solutions will manufacture non-metal structural support systems, flexible ducting and semi-rigid polymer tubing products for mine and tunnel ventilation, industrial flexible ducting for temperature and environmental control, and rapidly-deployable air-stop seals and barriers.

A statement said: “ABC Technology Group’s vertically-integrated manufacturing experience of high-quality ventilation products, along with the support of Jennmar and Jennchems leading sales and service network, will offer a comprehensive ventilation product line and application solutions throughout the USA.”

Tony Calandra, Group President FCI Inc/Calandra Goup, LLC stated, ” We look forward to the new opportunities this joint venture will provide within the mining and industrial business units. ABC has been great to work with and share similar principles and values as FCI and Calandra Group.”

Some of the products manufactured and sold by Turnstone Industrial Solutions will be:

PILLAR BAGS: A range of rapidly deployable cement containment bags used to provide load bearing roof support. Brand: J-CRIB®.
FLEXLINE PERFORMANCE DUCTING®: A range of flexible ducting and accessories for supply, return and exhaust air applications using Hi-Strength fabric material and
construction, low-leakage couplings and safe installation solutions. Brands: MineVent®, TwinDuct™, MineDuct®.
HARDLINE PERFORMANCE DUCTING®: A range of low-leakage, low-resistance semi-rigid polymer tubing and accessories for supply, return and exhaust air applications. Brands: HardLine-MAX™, HardLine-COAL™, HardLine-Oval™.
INFLATABLE AIRSTOP: Inflatable and rapidly deployable underground ventilation control, air-stopping and sealing systems and overhead safety solutions. Brands: AirStop™, AirStop-EPASS™, AirStop-OPS™.