Osmo Polymer Composite Cleaner is a concentrated deep cleaner for WPC and BPC composite decking, fencing and outdoor furniture. It breaks down weather-related dirt on water-resistant composite materials before rinsing clean.

At a glance

• Dilution: 1 part cleaner to 10–20 parts water
• Drying time: Approximately 1 hour, depending on conditions
• Apply with: Firm deck brush, stiff broom or compatible cleaning machine
• Use: WPC/BPC composite and other compatible waterproof surfaces
• Sizes listed by Osmo: 1 and 5 liters

How to use it

Sweep away loose dirt. Mix the cleaner with water - use 1:20 for lighter soil and work toward 1:10 for dirtier surfaces. Apply evenly, scrub with a firm brush and rinse thoroughly with clean water. Let the composite dry before applying Polymer Composite Maintenance Oil.

Good to know

Composite materials vary by manufacturer. Test an inconspicuous area for color and compatibility before cleaning the full surface. Do not allow loosened dirt or cleaner residue to dry in place.