With a stone-like appearance, UPM ProFi Deck gives outdoor living a stylish new look. Lifecycle by UPM ProFi has the same luxurious look and feel as a real hardwood deck, and yet will keep its look year after year with minimal maintenance. iDECK is made from a very durable, knot free hardwood called Bangkirai or Yellow Balau, it needs no chemical preservatives and has a built in natural resistance to fungal resistance to fungal decay and insect attack.