How To Install Plywood Floors Over Concrete
I have read in some places that you need a vapour barrier to put over the concrete before installing the plywood and in other places to just glue the plywood to the concrete floor.
How to install plywood floors over concrete. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor 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. How to install concrete floors over plywood sub floors. A minimum of 5 8 thick plywood is recommended with 3 4 thick plywood being considered ideal.
Rather than tear out a wooden floor and installing concrete your wooden floor can be turned into a beautiful concrete floor with a concrete microtopping. Installing a hardwood floor over a concrete slab. How to install a wood subfloor over concrete with screeds. Engineered wood flooring less than thick and solid plank flooring 4 or wider cannot be installed directly to screeds so if you re installing our wide plank flooring you ll need to overlay a plywood over the screed system.
Loosely lay a nailing surface of 3 4 4 x 8 exterior plywood panels over the entire area leaving a 3 4 space at the wall line and 1 4 to 1 2 between panels. Installing plywood over the subfloor or using sleepers which are two by fours laid flat across the floor and used as nailers. By admin february 17 2011. In this project tom had to remove old tile and install another layer of 3 4 thick plywood.
With the popularity of decorative concrete on the rise many people considering remodeling particularly in the northwest feel like it isn t an option for them simply because they have plywood sub floors. Because it raises the finished floor by an extra 1 1 2 inches and for other reasons the sleeper method has fallen into disuse. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Cut plywood to fit within 1 8 near door jambs and other obstructions.
Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. Decorative concrete decorative concrete coatings. I have been researching a lot and would like to install a plywood floor over concrete in two bedrooms in our basement. Treated plywood to the concrete with concrete screws spaced every 16 in.
The following project was executed by tom zilian of madstone floors from boston ma who created a polished concrete floor over a plywood substrate. Install the plywood after the vapor retarder is in place. I have seen many blogs and read a lot and know it can be done but need a bit of help.