Powerpac’s Drossbach Ducting is made from high-quality galvanised steel, offering exceptional strength and durability when cast into concrete. Our selection, ranging from 40mm to 130mm, is perfect for use in precast connections, service penetrations, formers for starter bars, and post-tensioning ducts. Each spiral wound former is designed to be easily tied into position adjacent to reinforcing steel. Manufactured in-house by our dedicated team, Powerpac Drossbach ensures competitive pricing without compromising on quality or delivery speed to your site.