paineastetut
Paineastetut is a Finnish term used to describe materials that have undergone pressure treatment, most commonly wood that has been impregnated with preservatives under vacuum and pressure to improve durability against decay, moisture, and pests. The word derives from paine (pressure) and astettu (set or applied).
In practice, paineastetut wood refers to timber treated by a pressure impregnation process. The typical method,
Common preservatives used in paineastettu wood have evolved over time. Modern formulations often rely on copper-based
Environmental and safety considerations are important for paineastetut materials. Treating processes and leaching of preservatives are
See also: Wood preservation, Pressure treatment, Impregnation.