Concrete Overlay On Wood Subfloor

Polymer modified cementitious overlays are well known for their ability to put new faces on old concrete slabs.

Concrete overlay on wood subfloor.

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 s best to place the underlayment over 3 4 inch thick plywood fastened with screws at 12 to 16 inch intervals to help decrease deflection and add stability. It lays down ultra flat. 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.

You would then need to find another way to heat the kitchen. Concrete floor video on how to install concrete over an existing wood subfloor. As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application.

The nwfa recommends plywood with a minimal thickness of. Many of these same products can put brand new concrete faces on wood surfaces both old and new. Concrete overlays for wood surfaces create the ultimate makeover. You can use overlays to create concrete surfaces that run up wood walls.

We recommend applying param 5500 at a minimum thickness of 3 8 1 2 is preferred to withstand lateral movement and traffic stress. Self leveling concrete underlayments are used to rehabilitate old floors that are out of level. After installing a vapor retarder if necessary cut your plywood panels into 2 x8 or 4 x4 sections. Your subfloor would have to be concrete with the new wiring sunk into the.

You can turn off the heat to the floor if you put a subfloor over top. Secure loose boards with deck screws and fill open seams with rapid setting polymer modified concrete. Overlays are also used down wood stairs over wood countertops and more often than not across wood floors or decks. A subfloor over radiant in floor heat sunk in concrete useless radiant heat.

The heat transfer to subfloor will be very very little. The sub floor must be free of deflection l 360 considering both live and dead loads. We have experience resurfacing concrete with microtoppings and polymer overlays and we are now just starting to do this process over wood either interior floors or upper level patios that do not have enough clearance for concrete.