Skip To Content

GMS Covers

Cubis works closely with key industry groups and authorities to develop its range of access covers. Our galvanised mild steel (GMS) covers deliver solutions proven for their durability and consideration of unique sector requirements.

Enquire about this product

Features & Benefits

Superior design that meets AU Standards

Cubis’ GMS cover range is designed and built up to a Class D load rating, meeting the Australian Standard AS/NZ 3996.

Nationally approved for key industry authorities

Our GMS cover range has been approved for use by key industry authorities across various sectors, including telecommunications, energy, rail and defence.

Hinged for OH&S

Cubis’ GMS cover range is hinged to meet OH&S standards, ensuring a safe and easy lift of the covers.

Locking and security capabilities

Our GMS cover range has locking and security capabilities to ensure the utmost protection for your valuable assets.

Custom branding available

Customisation of our GMS covers is available to showcase your company’s branding and/or the cover’s unique application.

Encasement options available

Our GMS covers have various encasement options available to ensure that your cover fits precisely with your pit of choice.


Galvanised Mild Steel

GMS covers are constructed from galvanised mild steel to prevent premature rust and corrosion, thereby increasing the lifetime of the cover. GMS material provides a strong and robust solution for asset protection.

GMS Cover Materials 730 x 410

Available Sizes

Sizing Information

Cubis’ GMS cover range comes in a variety of sizes to suit our range of STAKKAbox™, precast concrete and MONObox™ plastic pits. For further sizing information contact the Cubis Specialist Team on 1800 065 356.

GMS Cover Sizing 730 x 410

Load Rating

Cubis’ GMS covers are manufactured up to a Class D load rating (ultimate limit state design of 240kN) under the Australian Standard AS/NZ 3996, thereby making GMS covers suitable for major roads including freeway and motorway shoulders, as well as warehouses and loading docks.

GMS Cover Load Rating 730 x 410

Product Range Options