JENNMAR designs and manufactures a wide range of dependable ground control products, from bolts and beams to channels and trusses, resin, rebar, and more. We’re proud to make products that make the mining, tunneling, civil, and construction industries safer and more efficient.

JENNMAR makes a broad range of reliable ground control products, from bolts and beams to channels and trusses, to resin and rebar. We’re proud to make products that make the mining and tunneling industries safer and more efficient.

Proudly Made in the USA! Ground-mounted, hanging structure, quick-lock, straight return idlers assembly, vee return idlers assembly, offset troughing idlers, in-line troughing idlers. If you can think of it, JENNMAR can deliver a product specifically suited to your unique requirements.

Feb 2, 2013 · JENNMAR is the exclusive North American Supplier of the Elbroc Omni 150 Water Prop, a hydraulic prop that performs in accordance with NIOSH/CSIR guidelines for rock burst and rock fall conditions.

Utilizes JENNMAR’s unique J-Bar (angle bolts) for better mixing ... Let our team of mine engineers/technicians utilize JENNMAR’s technology to implement proven, cost effective systems for your mining application.

Bottom-Up-100 is a pumpable cementitious grout for use as a bonding agent between a reinforcing member and the borehole wall in ground support systems. The product is packaged in durable water proof 20 kg bags for use in remote and harsh underground mining environments.

Upgrade your bolting operations or retrofit your bolters with the JENNMAR J-LOK P pumpable resin injection system. This system uses a polyester-based resin for strong bolt anchorage, …

JENNMAR Australia For more than 20 years, our mission has been focused on developing and manufacturing a complete range of high quality ground control products. We have continuously developed new initiatives to reduce the time and associated costs our customers need to spend on ground support.

Welcome to JENNMAR, a global leader in innovative ground support technology for underground mining and tunneling. Our commitment to excellence is deeply rooted in every aspect of our operations—from advanced manufacturing processes and rigorous safety standards to our unwavering dedication to sustainability and community engagement.

JENNMAR Overcast Systems are designed to be modular reusable structures that are used in underground high pressure situations to insure intake air is not contaminated with return air.