Polyset is a leader in the design and manufacture of expansion joint systems for the bridge construction industry.

Expansion joints are imperative to the life-cycle of a bridge; the consequence of failing joints as a result of poor quality or improper installation will severely compromise a bridge’s structural integrity.

Our Ply-Krete® joint systems are designed to allow for continuous traffic while accommodating movement, shrinkage and temperature variations on both the concrete and steel structure elements of a bridge.

Ply-Krete® joint systems consist of a high strength, fast setting, elastomeric concrete nosing material and Ply-Seal®, a waterproof joint seal. This is one of the best systems available in the market for bridges. These armorless joint systems are designed to preserve and protect concrete decks and substructures by preventing water absorption and minimizing chloride intrusion in the most abusive environments.

Expansion Joint System Installation

Expansion Joint System Installation on NYS Rt 67 Bridge in Mechanicville, NY.

Video still placeholder
Tech Bulletins & Resources

Recent Company News

See all News & Events
3 people with construction vests working on bridge interchange

Join Our Team – Account Manager – Expansion Joint Division

Account Manager — Expansion Joint Division Location: Mechanicville, NY  Position Summary: Seeking a results-driven Account Manager to grow sales of expansion joints and related bridge-construction products. The role combines technical product knowledge, relationship building with contractors, engineers and...

Read More

Urethane Cement Systems

Urethane cement (also called urethane cementitious or urethane concrete) is a hybrid flooring material that combines polyurethane chemistry with cementitious aggregate. Polyset’s Ply-Guard UC (SL) creates an extremely durable, chemically...

Read More

Join Our Team – Research & Development Intern

Research & Development Intern (Summer 2026) The Research & Development Intern will participate in a variety of day-to-day projects that will assist our Research & Development team and report directly...

Read More

Get Started Today

Tom Meacham
Business Manager Contact Tom