Trench Products

Trenwa is the original manufacturer of precast concrete trench and offers the broadest line of proven trench systems.

Easy Access for inspection, maintenance or expansion.
More Economical than poured-in-place trenches or duct banks.
More Durable than light weight fiber trenches.

Flexible, wide range of sizes for any layout.
Protection for electrical cables and piping.
Leak Containment for fuel or chemical piping.