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About This Item

 

Full Description

The Use Category System (UCS) of the American Wood Protection Association (AWPA) designates what preservative systems and retentions have been determined to be effective in protecting wood products under specified exposure conditions. The strength of the UCS and its focus is that all wood uses can be placed into one of five major use Categories that clearly describe the exposure conditions that specific wood products can be subjected to in service.
 

Document History

  1. AWPA U1-19


    Use Category System: User Specification for Treated Wood

    • Most Recent
  2. AWPA U1-18


    Use Category System: User Specification for Treated Wood

    • Historical Version
  3. AWPA U1-17


    Use Category System: User Specification for Treated Wood

    • Historical Version
  4. AWPA U1-16


    Use Category System: User Specification for Treated Wood

    • Historical Version
  5. AWPA U1-15


    Use Category System: User Specification for Treated Wood

    • Historical Version
  6. AWPA U1-14

    👀currently
    viewing


    Use Category System: User Specification for Treated Wood

    • Historical Version
  7. AWPA U1-13


    Use Category System: User Specification for Treated Wood

    • Historical Version
  8. AWPA U1-12


    Use Category System: User Specification for Treated Wood

    • Historical Version
  9. AWPA U1-11


    Use Category System: User Specification for Treated Wood

    • Historical Version
  10. AWPA U1-10


    Use Category System: User Specification for Treated Wood

    • Historical Version
  11. AWPA U1-09


    Use Category System: User Specification for Treated Wood

    • Historical Version
  12. AWPA U1-08


    Use Category System: User Specification for Treated Wood

    • Historical Version
  13. AWPA U1-07


    Use Category System: User Specification for Treated Wood

    • Historical Version
  14. AWPA U1-06


    Use Category System: User Specification for Treated Wood

    • Historical Version
  15. AWPA U1-05


    Use Category System: User Specification for Treated Wood

    • Historical Version
  16. AWPA U1-04


    Use Category System: User Specification for Treated Wood

    • Historical Version
  17. AWPA U1-03


    Use Category System: User Specification for Treated Wood

    • Historical Version