ISOLayment QT can be installed over plywood sheathing, concrete floors, heavy timber planks, and gypsum concrete. Finished flooring includes concrete, ceramic tile, vinyl sheet and LVT, stone, wood, and gypsum concrete—which can be applied directly on ISOLayment QT. offers the solution: ISOLayment QT. ISOLayment QT rubber noise control underlayment features patented QT Impact Sound Isolation Technology. North America’s largest manufacturer of recycled rubber products supports KINETICS’ efforts to offer our customers the broadest range of isolation products for ceilings, floors, and walls. You can have a single-source for all your project’s isolation requirements. By partnering with the folks who created QT Impact Sound Isolation Technology, KINETICS has ready access to a large test report database as well as a trove of information covering installation of a wide range of finished floor products over top of recycled rubber underlayments.