Visit Hilltop Lumber’s Home Décor Dept. in our Alexandria store where you’ll save 20% on Onyx vanity tops and showers. Onyx vanity tops feature integrated sinks with an upscale look you’ll love. Onyx showers are a great alternative to tile. They’re very attractive and easy to maintain with no grout lines to clean. Sale ends April 30, 2018. Learn more about The Onyx Collection.