Trex Transcends Railing curved to match the curved edge of this deck overlooking the beautiful Raccoon River valley west of Des Moines near Adel. Cool enough to be our cover photo on Facebook in early 2014. Curved decks. Linear decks. Angled decks. All by Des Moines’ premier deck designer and builder, Archadeck of Central Iowa. Plus, porches, patios and more!