Restoration of severely weathered wood

Published Date
March 2000, Volume 72, Issue 902, pp 43–51

Technical Articles

DOI: 10.1007/BF02698004

Cite this article as: 

Williams, R.S. & Knaebe, M. Journal of Coatings Technology (2000) 72: 43. doi:10.1007/BF02698004

Abstract

R. Sam Williams, 

Mark Knaebe

Abstract

Severely weathered window units were used to test various restoration methods and pretreatments. Sanded and unsanded units were pretreated with a consolidant or water repellent preservative, finished with an oil- or latex-based paint system, and exposed outdoors near Madison, WI, for five years. Pretreatments were applied to both window sashes (stiles and rails) and sills. In most cases, pretreatment with consolidants was detrimental to the finish. These pretreatments generally caused more flaking and cracking of the paint compared with that of untreated controls or penetrating water-repellent preservatives. The best results were obtained by a combination of sanding and pretreatment with a water-repellent preservative containing copper naphthenate or with tung oil.

USDA Forest Service, One Gifford Pinchot Dr., Madison, WI, 53706-2398.

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