All Naturally Occuring Wood Colour Variations Allowed, From Light To Dark Brown. Sapwood May Occur. The Product Includes Very Large Sound And Black Knots And Cracks. Knots And Cracks Will Be Present In All Sizes And Numbers.Wear And Tear With Light Colors From Bread And Flour. Aspeland Is An Extremely Rustic Board With Knots And Cracks Giving It An Old, Restored Look.
There is more to subfloor preparation than these points so always check with your fitter, the manufacturer or us for further help.
Here are some useful installation guides that go into more depth: