Use of Internal Remedial Treatment to Extend Wood Life at the Fort Vancouver National Historic Site

IRG/WP 10-30525

C S Love, C Freitag, J J Morrell

The condition of wood in a reconstructed fur trading fort was assessed over a 30 year period. Poor initial treatment had resulted in the development of extensive early decay. While supplemental treatment with chloropicrin and methylisothiocyanate had arrested the attack, the results suggested that remedial treatments were unable to completely overcome the initial problems associated with treatment. The results show both the value and limitations of using remedial treatments in these applications.

Keywords: Douglas-fir, lodgepole pine, internal decay, fumigants, methylisothiocyanate, chloropicrin

Conference: 10-05-09/13 Biarritz, France

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