Custom Civil Solutions

Weldlok has been manufacturing custom-designed grating and civil solutions in Australia for more than 40 years. Our in-house expertise extends across teams in engineering, manufacturing, project management, quality and compliance, working together to solve complex and specialised drainage problems – big or small. As part of NEPEAN Building & Infrastructure, Weldlok has well established manufacturing […]

Heel Guard

Heel Guard from Weldlok is available across a variety of product types, with an innovative new design allowing interchangeable covers for easier ongoing maintenance.  Heel guard solutions are compatible with: Hinged Pit Grates Pedestrian Access Grates Trench Grates Custom Designed Grates Designed and manufactured to meet all load class requirements of AS3996:2019, heel guard solutions […]

Composite Flooring

Weldlok Forgebar mild steel composite flooring collection comprises of a closed top or mesh top option, suitable for a variety of projects depending on application. The base panels are made from Weldlok Forgebar mild steel grating in either Series 30, Series 40 or Series 60 profiles, each offering a different span and load rating. Weldlok […]

Mild Steel

Weldlok Drainage Grates are considered the industry benchmark amongst civil products. We are the only Australian manufacturer of drainage grates to offer a product which is load tested by our NATA accredited facility (12043) as well as complying to AS3996-2019. At Weldlok, our team design and manufacture Custom Steel Grating and Civil Drainage Products. Weldlok […]

Floormesh Grating

NEPEAN Building & Infrastructure is a division of NEPEAN, Australia’s largest privately owned engineering, mining services and industrial manufacturing organisation. Through our Weldlok brand, NEPEAN Building & Infrastructure is Australia’s only specialist manufacturer of Flormesh


Made from 150 x 50 RHS 350mm long and cut to the kerb profile, hot-dip galvanised. Used to drain stormwater out to the road kerbs and into the gutter.

Trench Grates & Frames

Trench Grates & Frames are manufactured in a range of standard sizes and class rated to meet customer requirements. All grates are bolted down to deter unwanted access and to ensure the grate does not work loose or rattle in the frame. The frame comes with flat bar on each side for easy tying into […]

Surcharge Pit Grates

Surcharge Pit Grates are manufactured in a range of standard sizes and are hinged and bolted down with options for bolt down or cast-in legs, generally 300mm long. The bolt down range is suitable for existing pits or where the concrete has been poured before the grate arrives and bolted down to the pit surface […]

Roll-Formed Kerb Grates

These grates are specifically designed to suit the roll of the kerb and are used predominantly in subdivisions. All grates are hinged for easy access and bolted down to deter unwanted access. The frame comes with reo lugs for easy tying into your formwork prior to casting and meets all load class requirements of AS3996-2019. […]

Pedestrian Access Grates & Frames

The NEW Pedestrian Access Grates from Weldlok (also referred to as heel proof grates) are a standard size range to meet your class requirements. These grates are pedestrian access compliant in both directions with a nominal size 8mm gap between the serrated bars. The grates can easily be removed for cleaning and are slip resistance […]