Calders & Grandidge (C&G) has become the newest member of the Wood Protection Association (WPA).
Based in Boston, Lincolnshire, C&G is one of the UK’s longest-established manufacturers of pressure-treated wood products. With more than 125 years of experience, the company supplies utility poles for the power and communications sectors, railway sleepers, and high‑performance fencing products.
C&G is recognised nationwide for its focus on quality, sustainability and reliable delivery to the infrastructure, Equine and Agricultural sectors. The company has held a Royal Warrant since 1986 for the supply of preservative pre‑treated fencing to the Royal Stud and His Majesty The King’s Sandringham Estate.
Part of the Rundvirke Group, C&G’s strategy centres on producing durable, high‑specification fencing components and gates manufactured from pressure‑impregnated softwood. Extended‑service‑life utility poles and railway sleepers remain core to the business.
C&G Business Director John Secker said: “Becoming a member of the WPA reinforces our commitment to technical excellence and supports the wider advancement and integrity of industrial wood preservation.”
WPA Chairman Steve Young said: “Calders & Grandidge is a well‑respected business with a strong reputation for producing high‑quality treated wood products. We look forward to working with them to promote correctly treated materials and highlight the benefits of wood as a sustainable, low‑environmental‑impact construction solution.”
