Architectural Post & Panel Sound Walls Systems

We are the region’s foremost manufacturer of precast concrete sound wall systems. Our industry-leading fabrication standards make us a preferred partner. We have earned a reputation for providing dependable and quality service as well as creative and unique solutions.

What We Offer


39th Ave and Park Hill Drainage

Denver, Co.

SEMA Precast supplied 5,714 lineal feet of box culvert for the City & County of Denver’s 39th Ave & Park Hill Drainage project.

The project consisted of 9 different size box culverts ranging from 8’x5′ to 15’x10′.  All boxes supplied with water-tight gasketed joints.