Pour Concrete Floor Over Subfloor

The original plan was to do a 2 concrete pour over our radiant heat system as recommended by our builder.

Pour concrete floor over subfloor.

Metal lath stapled over plywood substrate. The installation of calcium aluminate cement based self leveling concrete param 5500 along with expanded metal lath for reinforcement is a successful fast track method to convert a plywood subfloor into a beautiful concrete floor. When installed correctly your concrete over plywood floor will not permit moisture through will not warp or buckle and will come with all the benefits of concrete in an easy to care for floor. It is recommended that you rough up the concrete.

Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. Patch and level a concrete subfloor preparing the concrete floor. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. Learn how to install beautiful hardwood floors over a concrete slab.

However you re not out of the woods. We are hearing a lot of concerns from concrete contractors about pouring that thin. Plywood substrate in a kitchen. Does anyone out there have any information about how we can do a finished concrete floor on a plywood subfl.

Concrete expands and contracts and that type of movement can also crack the tiles and the grout. A cold floor may be tolerable in. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application. But this direct installation will result in a floor that s cold underfoot.

We recommend applying param 5500 at a minimum thickness of 3 8 1 2 is preferred to. When installing a ceramic tile floor on a concrete subfloor you don t have to worry about flexing as long as the concrete slab is at least 1 1 8 inch thick which most slabs are. Before pouring the self leveler there is some prep work required. I used a scraper and lightly hammered any spots that sounded hollow underneath to loosen any weak pieces.