Australia’s No.1 Installer of Barrier Safety Systems

Denholm Constructions, formerly Greg Denholm Fencing, specialises in the installation of roadside safety barriers. We install high-quality roadside safety barrier systems, including guardrail, flexible guardrail, wire rope and crash cushions.
Based in Wagga Wagga, we work on-site across New South Wales, Victoria, and the ACT. We also undertake roadside civil works such as rock-fall fencing, drainage, shoulder widening, tree trimming, and excavation works.

We are renowned for the best quality service in a timely manner for a competitive price so you have the job done safely, and on time.
With over 60 years’ combined industry experience and product knowledge, our safety barrier safety systems are fully compliant to road authority specifications.

We also care about the environment and aim to be as environmentally friendly at possible and follow all OHS procedures so you have a speedy, superior service, with hardworking crews and a hassle-free experience.

We’re a family owned and operated company, with 25 years of experience in roadside safety barrier installations, 45 years’ fencing experience, and a proud industry leader.