- Douglas FIR brushed | lye treatment | white oil
- Douglas Fir
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Tongue and groove on all sides for easy installation. Typical are few bony, well-embedded knots up to 60 mm diameter and pronounced formation of the annual rings.
Isolated knotholes, splints and cracks are possible and are closed with appropriate wood putty.
Impressive boards with a subtle appearance interspersed with a clear surface structure.