What you want to avoid is lumps and bumps in the subfloor that could cause problems to your final look.
Timber overlay flooring on concrete.
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.
Boral overlay is designed to be glued down directly over concrete 80mm width only existing timber plywood or particle board.
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.
The sub floor must be free of deflection l 360 considering both live and dead loads.
It is important that the additional height won t be a problem on your cabinet and your doors.
Solid parquet should not be installed below grade.
Boral parquetry can be laid in many patterns using contrasting timber species to create depth in design.
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.
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.
Wood substrates should have a moisture content no more than 14.
It is imperative that you make use of underlayment which can increase the height of the floor by around 40mm.
First and foremost you need to make sure that the concrete is in good condition generally.
Boral overlay is designed to be glued down directly over concrete existing timber flooring or boral plywood as long as the existing floor is clean dry and flat.
However there are certain points you simply must respect.
Prepare by sanding down to clean bare wood.
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.
Secure loose boards with deck screws and fill open seams with rapid setting polymer modified concrete.
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.
It is supplied in blocks 260mm long x 65mm wide x18mm thick.
Before installing flooring over concrete supporting slabs should be dry with a moisture content no more than 5 5.