Stegmeier® FD125C Lite Dove Gray Frontier Desert Deck Additive 8 per Case. Frontier Desert Deck is an additive, that when mixed with marble sand and white cement and applied properly produces a “Dash Finish” that is ideal for residential and commercial swimming pool decks. Frontier Desert Deck is noticeably cooler than broom finish concrete. When applied properly, Frontier Desert Deck retains a non skid quality even when wet.