Lightweight Concrete Floor Over Plywood

Please send us information regarding the proper chemical to use to achieve the proper mix for the lightweight concrete.

Lightweight concrete floor over plywood.

Plywood substrate in a kitchen. Lots of guys pour directly ontop of the plywood but i wanted to find out if anyone has heard of putting like a building paper down first. We are hearing a lot of concerns from concrete contractors about pouring that thin. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application.

For the second story a foamed type of lightweight concrete is being used over plywood for sound absorption between floors. Not only is it. Should i put a membrane between the concrete topping over plywood subfloor we are going to be pouring a 1 5 concrete slab overtop of a plywood floor to encase our in floor heating pipes. Metal lath stapled over plywood substrate.

The reduced quantity of concrete and steel reinforcement offsets the marginally higher cost of lightweight concrete floor systems. 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 lays down ultra flat. For locations where carpet is going to be installed lightweight concrete is an acceptable material for building a subfloor.

These floors are constructed for different purposes but the reduction of dead loads on the structure is. Since lightweight concrete is more prone to cracking than traditional concrete it can lead to problems when used with hardwood floors. The original plan was to do a 2 concrete pour over our radiant heat system as recommended by our builder. We are building a 2 story condominium complex with concrete slab on grade.

We recommend applying param 5500 at a minimum thickness of 3 8 1 2 is preferred to.