Solid parquet hardwood flooring can be glued directly to a concrete slab on grade or above grade with the use of a manufacturer recommended vapor retarder.
Timber overlay flooring on concrete.
However there are certain points you simply must respect.
A concrete sub floor is in many ways an ideal surface for laying an overlay wood floor.
Boral parquetry can be laid in many patterns using contrasting timber species to create depth in design.
Wood substrates should have a moisture content no more than 14.
If you are going to compare installing solid timber flooring on concrete slab relative to a wood subfloor the former is more complicated.
It is imperative that you make use of underlayment which can increase the height of the floor by around 40mm.
Prepare by sanding down to clean bare wood.
It is supplied in blocks 260mm long x 65mm wide x18mm thick.
Secure loose boards with deck screws and fill open seams with rapid setting polymer modified concrete.
It is important that the additional height won t be a problem on your cabinet and your doors.
Seal the slab with a waterproofing compound or a plastic membrane under plywood if in doubt or if there is evidence of previous water penetration.
Metal lath stapled over plywood substrate 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.
Boral parquetry is a solid hardwood timber flooring product that is designed to be laid directly over a flat and level concrete slab plywood or particleboard flooring.
Before installing flooring over concrete supporting slabs should be dry with a moisture content no more than 5 5.
The sub floor must be free of deflection l 360 considering both live and dead loads.
First and foremost you need to make sure that the concrete is in good condition generally.
Solid overlay timber flooring is a product designed for applications where the beauty style and warmth of a solid timber floor is important but there are limitations on the area s sub floor or the application requires a floor thinner than traditional solid structural timber flooring.
Replace any weak or water damaged wood.
Boral overlay solid strip flooring has been designed for those who love the style and warmth of a solid timber floor but don t have the traditional bearers and joists subfloor structure.
Solid parquet should not be installed below grade.