Published on 2026-07-31 · Suzhou Industrial Park Gulin Commerce Co., Ltd.
Floor renovation is a headache for many customers: tearing out and redoing is costly and time-consuming, while laying directly risks buckling and hollow sounds. In fact, the decision is not hard; it depends on three things: the base condition, the height difference and the usage requirements.
1. Assess First: Which Bases Can Be Covered Directly
- Old ceramic tiles: when the surface is level and free of hollow areas, PVC or SPC can be laid directly (click-lock is easier), but tile joints and skirting must be handled properly;
- Old PVC or flooring: when the surface is intact, install over it directly, noting the cleaning and leveling between old and new materials;
- Old terrazzo or cement: check levelness and dusting; dusty bases need hardening treatment first.
2. Three Checks to Decide the Renovation Path
- Check the base: bases with hollow areas, looseness or severe dusting must be torn out or patched, or the new floor will fail too;
- Check the height: overlay installation raises the floor height and affects doors, cabinets and stairs, so measure first;
- Check budget and schedule: direct overlay saves time and money (can finish in 1-2 days), while tear-out and redo takes longer and costs more.
3. Necessary Preparation Before Renovation
Whichever path you take, three things must be done first: thoroughly clean and dry the base; repair hollow areas and cracks; and confirm base levelness (2m straightedge deviation no more than 3mm), using self-leveling compound when needed.
4. Gulin Commerce Floor Renovation Service
Suzhou Industrial Park Gulin Commerce Co., Ltd. provides one-stop old floor assessment, renovation design and installation services, with surveying before quoting to help you avoid unnecessary spending. Welcome to call: 0512-68114680.
