Parquet subfloor: survey protocol before ordering material
Subfloor quality affects parquet longevity more than species choice. At Cardinal Hall, the site is surveyed before the batch goes into production — so material is not delivered to an unready screed.
On-site measurements
Moisture of concrete or anhydrite screed (meter per adhesive manufacturer), flatness deviation, pull-off tests on sample areas, crack map and moisture bridges.
For timber structures — joist stiffness, no squeak, subfloor ventilation, compatibility with chosen thickness and installation method.
Preparation works
Priming for the adhesive type, local levelling, waterproofing in risk zones, perimeter damper for the moisture barrier. Technology matches parquet type: solid, engineered or artistic module.
If tolerances fail, a technical solution is defined — substrate reinforcement, extra layer, method change — before signing the readiness certificate.
Material acclimatisation
Parquet is stored in the target room climate (40–60% RH, project temperature) for at least the specified period. This reduces stress in blocks after installation.
Doors and panels from the same batch are acclimatised in parallel so all interior elements reach working moisture together.
Frequently asked questions
Can parquet be laid over old flooring?
Only after adhesion, moisture and junction height diagnostics. On premium projects it is often cheaper to remove and prepare the base anew than to rework a year later.
Related sections
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