When it comes to low maintenance decks, Timbertech (Azek) Decking & Westbury Railings are the ideal choice. Each boast a Limited Lifetime Warranty. Additionally,  Timbertech (Azek) includes an industry leading Limited 50 year Fade & Stain Warranty to all of its decking. Although no deck is Maintenance Free, these decks come pretty close. The only maintenance needed is an occasional washing with a little soap and water.