Lonza Wood Protection

Treatments are carried out at Arch’s modern facilities at Castleford to both ISO 9001 & ISO 14001 international standards.



  • British Board of Agreement Logo
  • Culloden battlefield visitors centre with curved roof
  • Interior of  St. Annes Church in Belfast.
  • Kielder Water observatory in Northumberland
  • Arch Timber Protection's Castleford facility interior