Gutter Wash caustic TFR is a concentrated TFR that is excellent for removing dirt and grime from UPVC surfaces including gutters, downpipes and conservatories. This TFR has added caustic to help cut through the more stubborn stains and remove them effectively.
Always test on a small inconspicuous area before use.
Dilution Rates: This product can be diluted up to 1 part TFR to 50 parts water depending on application method and degree of soiling. We recommend 1 part TFR to 10 parts water for heavy soiling and 1 part TFR to 10 parts water for a brush wash.
Leave on the surface for 15 minutes, agitate then rinse thoroughly with clean water. Do not allow the product to dry out.
Coverage: 4-6 square metre depending on the porosity of the surface.