Concrete Overlay On Wood Subfloor

After installing a vapor retarder if necessary cut your plywood panels into 2 x8 or 4 x4 sections.

Concrete overlay on wood subfloor.

You can use overlays to create concrete surfaces that run up wood walls. Replace any weak or water damaged wood. The nwfa recommends plywood with a minimal thickness of. Overlays are also used down wood stairs over wood countertops and more often than not across wood floors or decks.

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. Prepare by sanding down to clean bare wood. Your subfloor would have to be concrete with the new wiring sunk into the. Polymer modified cementitious overlays are well known for their ability to put new faces on old concrete slabs.

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. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application. You can turn off the heat to the floor if you put a subfloor over top. Many of these same products can put brand new concrete faces on wood surfaces both old and new.

The heat transfer to subfloor will be very very little. It lays down ultra flat. Secure loose boards with deck screws and fill open seams with rapid setting polymer modified concrete. Concrete overlays for wood surfaces create the ultimate makeover.

You would then need to find another way to heat the kitchen. They can be used over pre cast concrete planks wood subfloors in multifamily housing and on slabs on grade in single family homes. A subfloor over radiant in floor heat sunk in concrete useless radiant heat. Self leveling concrete underlayments are used to rehabilitate old floors that are out of level.

As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete. 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. 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.