I am replacing the flooring in my home office with Trafficmaster Allure Tiles. I've removed the old carpet, pad, tack strips, staples and tacks from the plywood subfloor. The surface of the plywood is dented, rough, and uneven. Also, some of the edges of the 4x8 sheets were "raised" (or...

i have a floor with vinyl tile. i was wondering if there would be any problem putting a layer of felt over the current floor then adding 1/4 underlayment and vinyl tile on top. the floor i pulled up did not have any underneath but there were slight crackling sounds on certain parts. could...