Roundel Civil Products is Australia’s leading manufacturer of corrugated metal culverts, bolted multi-plate structures and supplier of large-span deep-corrugated plate structures. We manufacture our Stilcor CMP culverts throughout Australia with manufacturing bases in Perth & Tom Price (WA), Capella & Townsville (QLD), and Blayney (NSW). Our fixed manufacturing locations are supplemented by our state-of-the-art mobile pipe mills for on-site manufacture. With over 12,000 tonnes of CMP culverts manufactured on-site to date, we have an unrivaled track record - with zero safety incidents.