Hardi has about 30% cellulose fiber in it and the rest is cement. Hardi shrinks after it is installed so you must keep it tight to the the next board and not leave expansion gaps on either side. It de ... read more
Silk has a great look to it, and feels great on your feet when it's a bit warm! Can also be very cold when it's cold, and if you have sweaty feet they may stick to it and move the rug around a lot! Pe ... read more