Product Catalog

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Civil Products Catalog

Impact Resistant Lagging

Various steel sets that are protected with JENNMAR's IRL panels have been approved by MSHA and installed in several underground roof fall rehabilitation projects.

Lattice Girders and Steel Arches

Steel Rib Supports

Curvatures range from a minimum radius of 10 times the beam depth for 4" and 6" sections to 14 times the depth of section for larger beams. JENNMAR Specialty Products also fabricates straight beams, forepoling sheets, steel lagging, tie rods, foot plates, and pipe spacers.

Steel Sets and Tunnel/Shaft Rings

JENNMAR, in conjunction with our sister affiliate engineering company, JENNMAR Engineering can custom design arch and square set support systems as well as tunnel and shaft rings.

TH Arch System

The TH Arch system has quickly gained wide market acceptance by uniting high resistance to load along with dynamic behavior that is unseen in other arches in the industry.