Cement Over Plywood Floor

Plywood substrate in a kitchen.

Cement over plywood floor. We recommend applying param 5500 at a minimum thickness of 3 8 1 2 is preferred to. The garage has been here many years ive lived in it 3 years. Many old school contractors would tell you the same thing. We are building a 2 story condominium complex with concrete slab on grade.

But a number of precautions must be taken to ensure a successful installation. Please send us information regarding the proper chemical to use to achieve the proper mix for the lightweight 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. Adhering the cement board to plywood only works if the plywood is re scuffed or sanded first with a 20 grit disc sandpaper and you use a minimum 3 8 trowel for the thinset.

For the second story a foamed type of lightweight concrete is being used over plywood for sound absorption between floors. To me they ruined the industry with all the latest and greatest fad products. If you are looking for the beauty and personalization available in decorative concrete flooring you can absolutely achieve this look with an installation over your plywood sub floor without any compromises in quality. This is simply not the case.

Thoroughly cover all areas with one coat of primer to enhance adhesion of the leveling compound to the plywood surface. I have wood heat so it stays dry in here. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application. Could i use liquid nails to hold floor to concrete or is there something else i should do.

Apply a latex floor primer to the entire plywood surface using a paint roller. The following project was executed by tom zilian of madstone floors from boston ma who created a polished concrete floor over a plywood substrate. Some experienced installers will discourage the installation of tile directly over plywood. The cement products are of a content most compatible with tile products.

In this project tom had to remove old tile and install another layer of 3 4 thick plywood. Use a brush for application in smaller areas. A number of different types of substrate are used for tile including plywood. While most floor tile these days is installed onto a layer of cement board or similar backerboard it is possible to lay tile directly over plywood.

Cement products do they re thing at a particular rate also but a rate different from wood. Metal lath stapled over plywood substrate. It has cement floors and i want to do the plywood flooring cutting it to look like planks and then polyurethane over it to seal it.