A subfloor over radiant in floor heat sunk in concrete useless radiant heat.
Concrete overlay on wood subfloor.
Many of these same products can put brand new concrete faces on wood surfaces both old and new.
As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete.
Overlays are also used down wood stairs over wood countertops and more often than not across wood floors or decks.
Concrete overlays for wood surfaces create the ultimate makeover.
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 can turn off the heat to the floor if you put a subfloor over top.
After installing a vapor retarder if necessary cut your plywood panels into 2 x8 or 4 x4 sections.
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.
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.
You can use overlays to create concrete surfaces that run up wood walls.
Your subfloor would have to be concrete with the new wiring sunk into the.
The sub floor must be free of deflection l 360 considering both live and dead loads.
Self leveling concrete underlayments are used to rehabilitate old floors that are out of level.
It lays down ultra flat.
Concrete floor video on how to install concrete over an existing wood subfloor.
Secure loose boards with deck screws and fill open seams with rapid setting polymer modified concrete.
Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application.
Polymer modified cementitious overlays are well known for their ability to put new faces on old concrete slabs.
The nwfa recommends plywood with a minimal thickness of.
Prepare by sanding down to clean bare wood.
The heat transfer to subfloor will be very very little.
Replace any weak or water damaged wood.