Our core products

Grate Drainage Products (GDP) supply a number of quality drainage solutions to the Australian market.  Based on market feedback and our knowledge of the market, we ensure our products are a leading solution for your project requirements.

Drainage Channel Systems

GDP's provides a suite of interchangeable components to create an effective water drainage system for domestic, civil, industrial and mining industries.

Stainless Products

With a variety of solutions and kits available in both 304 and 316 Stainless Steel, GDP can assist with your needs. Custom Stainless Products is one of our specialties.

Galvanized Grates

With an extensive range of both transverse and heelguard trench grates, sump grates and associated products, GDP have the solution for your project.

Pits & Risers

GDP have a range of both Precast Concrete and Polymer pits and risers to assist in your project, no matter how big or small. Our range of pits and risers are supported by our broad range of standard and customised grating options.

Civil Products

From Civil Grates and Ductile Iron Covers thru to Precast Concrete pits, GPT grates, Headwall Grills, accessories and more, we have the range of standard and custom solutions for your works.

Custom Solutions

Unable to find what you need? Everything available just that little bit different to what your project requires? Contact the GDP team and let us work with you to provide you with the finished product you have been searching for.

Not sure what you need?

Give our experienced team a call!
Site Civil Works


GDP supplies a range of both standard and custom products to the civil industry.  Projects carried out include subdivisions, airports, water projects, road projects and more.



GDP have the products to support projects both big and small.  From bathrooms and commercial kitchens through to commercial civil projects, contact the team to see how we can assist in your upcoming project.

Building and Construction

Building & Construction

From bathrooms and balconies through to the construction and upgrades of shopping centres and sporting facilities, GDP support projects across Australia with their quality range of products.

Trench Grate and Frame Systems


Are you a reseller supporting the local market? Contact GDP to discuss options to distribute our products in your region.

Need a quote?

Send your enquiry to our sales team!