Lightweight Concrete Floor Over Plywood
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.
Lightweight concrete floor over plywood. We recommend applying param 5500 at a minimum thickness of 3 8 1 2 is preferred to. Metal lath stapled over plywood substrate. We are hearing a lot of concerns from concrete contractors about pouring that thin. 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.
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. 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. Plywood substrate in a kitchen. The original plan was to do a 2 concrete pour over our radiant heat system as recommended by our builder.
It lays down ultra flat. Duraamen s param 5500 goes on thin in a 3 8 to 1 2 thick application. Not only is it. We are building a 2 story condominium complex with concrete slab on grade.
Lightweight concrete floor provides more efficient strength to weight ratio in concrete floor systems when compared to other conventional concrete floor systems. Since lightweight concrete is more prone to cracking than traditional concrete it can lead to problems when used with hardwood floors. Please send us information regarding the proper chemical to use to achieve the proper mix for the lightweight concrete. These floors are constructed for different purposes but the reduction of dead loads on the structure is.
The reduced quantity of concrete and steel reinforcement offsets the marginally higher cost of lightweight concrete floor systems.