Short answer: for deep cleaning natural stone, engineered stone, porcelain stoneware, ceramics and cotto, stone clear GR 75 Deep Cleaner is suitable: 0.5–2 L to 10 L of water (5–20 %), apply, leave for approx. 10 minutes, scrub with a pad or single-disc machine, vacuum up the dirty water and wipe with clean water. Stubborn polymer layers and adhesive are dissolved by mixing it with GV 65 Booster. Then let the floor dry and protect it according to the stone type.
When does a stone floor need deep cleaning?
- The floor looks grey or blotchy despite routine cleaning.
- Old care films, self-shine products or wax have built up.
- Oily and greasy dirt in kitchens or catering.
- Before a new sealing treatment or crystallisation.
What you need
| Purpose | Product |
|---|---|
| Deep cleaner for all stone surfaces | GR 75 Special Deep Cleaner |
| Booster against adhesive and polymer layers | GV 65 |
| Specifically for porcelain stoneware | FF 74 |
| Scrubbing larger areas | RG 810 Single-Disc Machine with pad or nylon brush |
| Scrubbing by hand, corners, steps | RG 966 Pad Holder with RG 803b (hard) or RG 803w (marble) |
| Picking up dirty water | RG 840 Wet and Dry Vacuum or RG 959 Floor Squeegee |
Guide in 7 steps
- Prepare: move furniture away, remove dust and sand dry.
- Test: try the cleaner in an inconspicuous spot.
- Mix the solution: GR 75: 0.5–2 L to 10 L of water. For adhesive and polymer layers: 2.5 L GV 65 + 2.5 L GR 75 + 5 L water.
- Apply: apply section by section. Contact time: GR 75 approx. 10 minutes, with GV 65 approx. 20–30 minutes.
- Scrub: work with a single-disc machine or pad.
- Pick up: vacuum or squeegee off the dirty water, wipe with clean water.
- Dry: let the floor dry completely – faster with the RG 850 Air Mover.
Coverage: 10 L GR 75 solution for approx. 30–50 m². Wear protective gloves.
After deep cleaning: protection and care
| Floor covering | Protection | Care |
|---|---|---|
| Absorbent natural stone | SI 88 / SI 86 | UR 14 |
| Polished marble/granite | for marble, crystallisation with KP 30 if required | UR 15 |
| Porcelain stoneware | SI 84 | UR 17 |
| Cotto | SB 45 Premium Wax | UR 10 |
| Cement tiles | SB 48 | UR 19 |
Frequently asked questions
How often does a stone floor need deep cleaning?
It depends on use. With the right routine cleaning, a deep clean every few years is often enough in homes. In heavily used areas it's needed more often.
Can I deep clean without a machine?
For small areas, yes – with a pad holder and pad. For larger areas, a single-disc machine saves a lot of time and effort.
Is GR 75 suitable for marble?
Yes, GR 75 is suitable for all stone surfaces such as marble, granite, natural and engineered stone, porcelain stoneware, ceramics and cotto.
Prefer a professional?
StoneClear carries out deep cleaning throughout Switzerland. Services · +41 41 790 38 05
