A: Yes! That is what I bought it for! I painted mine and did not need to pre sand!
A: Thank you for your recent inquiry with The Home Depot regarding 1 in. x 8 in. x 8 ft. Kiln Dried Square Edge Whitewood Common Board. Yes this could be used for a window sill. We appreciate your business and look forward to serving you in the future.
A: That really depends on the finish and what area of the country you live. It's a soft wood so it limits you to some degree because it'll dent easily