Can you clean painted render?

Yes — painted render in St Helens responds very well to soft wash. The treatment lifts grime and algae without stripping the paint, unlike high-pressure washing.

Is the soft wash treatment safe for plants?

We sheet down sensitive borders and rinse any overspray. The biocide breaks down quickly in soil and is widely used around residential gardens across St Helens.

Why has my render gone red or pink?

Red staining is typically a specific algae that thrives on silicone K-Rend, particularly in St Helens where frequent rainfall and overcast days accelerate growth. It responds well to specialist biocide treatment.

Do you do roofs as well as render?

Yes. Many St Helens homeowners book both at once. We treat concrete and clay tile roofs with the same soft wash biocide to remove moss and black streaks.

Render cleaning done properly

St Helens Render Cleaning Specialists

North West rainfall accelerates green algae on rendered walls. Our soft wash treatment is built to handle exactly that — biocide-led, low pressure, and safe on every modern render system.

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Render cleaning services in St Helens

Every render system reacts differently to algae and weathering. Here's what we treat most often across St Helens.

Soft washing St Helens homes

Whole-house exterior cleaning with low-pressure chemistry — safe on render, brick, stone and cladding.

K-Rend restoration

Lifts the familiar red K-Rend dust and black spore growth, restoring the original silicone finish.

Commercial render

Schools, offices and retail units in St Helens — out-of-hours work with full RAMS on request.

Render cleaning FAQs — St Helens

Can you clean painted render?: Yes — painted render in St Helens responds very well to soft wash. The treatment lifts grime and algae without stripping the paint, unlike high-pressure washing.
Is the soft wash treatment safe for plants?: We sheet down sensitive borders and rinse any overspray. The biocide breaks down quickly in soil and is widely used around residential gardens across St Helens.
Why has my render gone red or pink?: Red staining is typically a specific algae that thrives on silicone K-Rend, particularly in St Helens where frequent rainfall and overcast days accelerate growth. It responds well to specialist biocide treatment.
Do you do roofs as well as render?: Yes. Many St Helens homeowners book both at once. We treat concrete and clay tile roofs with the same soft wash biocide to remove moss and black streaks.

Why homeowners in St Helens choose us

High-pressure washing can blow the protective colour layer from modern silicone renders. We don't do that. Our team in St Helens uses soft wash — a manufacturer-approved biocide and gentle rinse — for results that stay cleaner, longer.

12-month finish guarantee on every render clean
Clear written quotes with no hidden extras
Full public liability insurance — certificates on request
Manufacturer-approved biocides — never harsh acids

Areas we cover near St Helens

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Ready for a clean render in St Helens?

Send us a few details — we'll come back with a free written quote, usually the same day.