Upgrading a Deck to Avoid Headaches and Bump Up Home Value .
Jul 10, 2015 . But they are two to three times the cost of a wood deck, said Dave Toht, an expert who has written several books on decks. Deck builders said the added cost of the composite options would be made up in five to 10 years, largely in reduced upkeep expenses. A deck takes more sunlight than any other part..