To create heat and comfort, you can apply a tree as a material for the design of window sills. Ash, maple, oak, cherry, chestnut will look great both in the modern and classic interior. Choose the color of the tree for the design of the room, and then the window will delight you with its cozy look. So, there are a lot of options for decorating windows and window sills, and you should only dwell on the one that will correspond to the necessary functionality. Only the amount that the customer is counting on when choosing a material for finishing can limit.