Complex Fabrication

Complex Fabrication

Hennegan and Associates supplies three steel systems – Modular Expansion Joints , Strip Seal Expansion Joints and Fabricated Steel Plate Expansion Joints. Modular Expansion Joints D.S. Brown Steelflex® Modular Expansion Joint Systems have gained overwhelming...
Preformed Neoprene Compression Seals

Preformed Neoprene Compression Seals

Preformed Neoprene Compression Seals Hennegan and Associates supplies The D.S. Brown Company’s Delastic® Preformed Neoprene Compression Seals. In 1960 The D.S. Brown Company began designing and extruding the first generation of Delastic® Preformed Neoprene...
J and JP Seals

J and JP Seals

Hennegan and Associates is a proud supplier of The D.S. Brown Company’s J and JP – Series Seal Profiles. The J and JP-Series Profiles includes an extruded elastomeric profile and a high-strength, two-part epoxy based structural adhesive. The product, when...
Bridge Drainage Systems and Scuppers

Bridge Drainage Systems and Scuppers

For over 20 years, Hennegan and Associates has been the leading supplier of fiberglass drainage systems to contractors all over the Midwest. Because no two bridges are the same, our bridge drainage solutions from United Fiberglass © are fully customizable to meet your...
Products

Products

Hennegan and Associates Ltd. provides a wide variety of bridge construction materials including the following: Silicone Sealant At Hennegan and Associates we are pleased to provide Dow Corning® 902 RCS silicone sealant. This self-leveling, cold-applied, rapid-cure,...