Raising the standards in underground enclosures

Polymer Concrete Enclosures

FRP Enclosures

Corrugated Vaults

Pedestrian-Rated HDPE Enclosures

All the Options for Your Boxes

Enclosure Features

Custom Logos

Put any verbiage on any box or put your company's logo on it.

View logo options

Color options

Choose from green, black, purple, gray, or tan.

Solid Bottoms

Structural integrity and protection from the elements.

Mouseholes & Knockouts

Custom mouseholes and knockouts to suit any arrangement of pipes and fittings.

Cable Racking & Pulling Eyes

Efficiency and reliability for seamless cable management.

EMS Markers

Reliable identification up to 5 feet deep without the need for external power sources.

GlasMasters Underground Enclosures

GlasMasters specializes in the manufacturing of a diverse range of underground enclosures tailored to accommodate your utility needs. Our product line encompasses both compact enclosures, typically employed for residential water meters, traffic signal installations, and electrical junctions, as well as larger enclosures designed for commercial applications such as water meters, fiber optic installations, and electrical pull boxes.

Crafted with an unwavering commitment to quality, GlasMasters enclosures incorporate premium materials and cutting-edge designs. Each unit is meticulously fabricated to exacting standards, utilizing a combination of polymer concrete and fiberglass known for their exceptional strength-to-weight ratio and long-term durability. Unlike conventional precast concrete or plastic alternatives, our enclosures resist environmental factors, ensuring prolonged functionality and structural integrity.

At GlasMasters, we customize our enclosures to suit the unique requirements of every application. Whether designated for pedestrian-only areas or intended for locations subject to incidental vehicular traffic our products are engineered to withstand diverse loads for years to come.