Products
If you need it made — we can handle it.
At Pinnacle Precast, we take pride in manufacturing durable, reliable, and cost-effective precast concrete solutions built to meet the demands of today’s municipal, commercial, and residential projects. From stormwater management structures such as catch basins, outlet structures, headwalls, box culverts, and vaults to sewer system components including manholes, risers, lids, pump stations, grease traps, and septic tanks, every product is engineered with precision for strength, consistency, and long-term performance. We also supply durable cast iron covers and frames to complete your installations. Backed by certified production standards and a skilled team, Pinnacle Precast delivers the quality, dependability, and on-time performance your job site demands—built to last.
Manholes – Storm & Sanitary Sewers
Our precast manholes are designed for strength, watertight performance, and ease of installation. Available in standard sizes and custom configurations, they provide safe access to storm and sanitary sewer systems while meeting industry specifications.


Cones
Precast cones provide a strong, stable transition from larger-diameter manholes to smaller openings. Built with precision, our cones ensure a secure fit and long-lasting structural integrity.
Knockout Boxes
Pinnacle Precast knockout boxes are engineered for convenience and versatility. Their design allows for easy pipe connections, saving time on-site while maintaining durability and reliability.


Headwalls
Our precast headwalls are built to control erosion, improve water flow, and protect culverts and drainage pipes. Manufactured with reinforced concrete, they’re designed for stability and long-term performance in a wide range of applications.
Grease Traps
Precast grease traps provide an effective, environmentally responsible way to separate fats, oils, and grease from wastewater. Durable and easy to install, they’re a trusted solution for commercial kitchens and food service facilities.

Catch Basin Risers
Built from premium-quality concrete, our Pre-Cast Catch Basin Riser provides a durable, reliable extension that protects sewer systems from external factors. Designed for long-lasting performance, it ensures strength and stability in every installation.

SCDOT T18 Tops
Pinnacle Precast tops are crafted to fit securely on our structures, providing strength, accessibility, and long-lasting performance. Available in various designs, our tops complete your system with durability and ease of use.

SCDOT T18 Throats
Our precast manhole throats are engineered to meet industry standards, offering contractors and engineers a consistent, cost-effective solution that saves time on installation while reducing maintenance needs. With precision craftsmanship and reinforced strength, these components are ideal for stormwater systems, sewer systems, and other infrastructure projects requiring dependable underground utility structures.

Pyramid Galvanized Trash Rack
The Pyramid Galvanized Trash Rack is a durable debris cage designed to protect vertical drainage structures. Built from galvanized steel for long-lasting performance, it prevents floating debris from clogging inlets and ensures consistent water flow from ponds and impounded bodies of water.

Retaining Wall Blocks
Engineered for strength and reliability, our interlocking precast concrete wall blocks are designed to meet the demands of construction and stormwater management projects. Available in a range of shapes and sizes, they provide stable solutions for retaining soil, controlling water flow, and creating level work areas on challenging grades. The interlocking design allows for 90-degree corners and curves, offering flexibility for infrastructure, drainage, and erosion control applications. Durable and easy to install, these blocks deliver long-lasting performance on job sites where safety and stability matter most.

SCDOT T25 Double Tops
