Valves mads dinesen2025-06-02T13:28:01+02:00Valve impregnation - When surface treatment is not enough When impregnating wooden structures, it can be difficult to ensure that the impregnating agent penetrates far enough into the wood with a surface treatment. Instead, you can use impregnation valves to get the impregnant all the way into the wood. When do you use impregnation valves? When you need to prevent or control fungal and bacterial... Read more...