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Filtering by: Creator Oregon Forest Products Laboratory Subject Douglas fir -- Drying

Initial study of kiln drying clear Douglas fir planks

Creator:

Stillwell, H. D. and Oregon Forest Products Laboratory

Abstract:

Checking was influenced b drying conditions. This influence was greatest before average moisture content reached 20 per cent, but tension in surface layers caused checking even below this point. Neither high initial dry-bulb temperature nor initial conditions of high equilibrium moisture content were conducive to checking. High temperature and high...

Resource Type:

Technical Report
Seasoning and machining degrade in young-growth Douglas-fir dimension lumber

Creator:

Anderson, B. G., Knauss, A. C., Frashour, R. G., and Oregon Forest Products Laboratory

Abstract:

The increasing volume of young-growth Douglas-fir timber cut in the Pacific Northwest emphasizes the need for more knowledge on the characteristics of lumber sawed from these trees. The study described here was initiated to learn the extent arid causes of degrade resulting from kiln-drying young-growth Douglas-fir dimension lumber. At the...

Resource Type:

Technical Report