Process for render cleaning :

How should you clean your render?

https://www.dsgo.co.uk/render-cleaning

Example Process for Cleaning Render

This should always be a gentle procedure. Render should be treated carefully. We let the professional biocides we use complete the main process of the work. It may take a few applications to bring your render up to as clean as we like it. So it’s not a fast process. But the results speak for themselves

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1. Pre-rinse with low-pressure water to remove dirt and debris.

2. Apply biocidal cleaner (follow manufacturer’s dilution).

3. Allow dwell time (15 min–1 hour, or longer for organic growth).

4. Lightly agitate with a soft brush if needed.

5. Rinse gently with clean water.

6. Allow to dry and repeat for heavy staining.