Protecting what keeps
us connected
Polymer Concrete Enclosures
Our full line of polymer concrete enclosures can handle even the most demanding loads. ANSI rated for Tier-15 and Tier-22, these enclosures are perfect for Electric, Telecommunication, and Water applications.
Fiber-Reinforced Polymer Enclosures
FRP boxes are known for their strength-to-weight ratio and corrosion resistance. Their lightweight design eases transportation and installation, while their ability to endure harsh conditions ensures reliability and low maintenance needs.
HDPE Enclosures
Ideal for urban areas with heavy foot traffic, offering durability, lightweight construction, and resistance to impact and environmental factors. These boxes are easy to handle and install without heavy machinery, reducing project timelines and costs.
Corrugated Vaults
Our full line of polymer concrete enclosures can handle even the most demanding loads. ANSI rated for Tier-15 and Tier-22, these enclosures are perfect for Electric, Telecommunication, and Water applications.
CUSTOM FEATURES
Customize any Arn enclosure to meet the needs of your project.
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 and 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.
Engineering First
At GlasMasters, our background in engineering guides how we design and build every product. We focus on precision and function, ensuring our underground enclosures meet the practical demands of their intended use.
By combining materials like polymer concrete and fiberglass, we create enclosures that are both strong and lightweight, allowing them to withstand harsh conditions over time.
We also work closely with clients to develop solutions that fit specific applications—whether for water meters, traffic signals, or fiber optic systems. Our goal is to deliver well-built, dependable enclosures that do the job right.