Pressure washing render is a common DIY mistake that forces water behind the surface and can crack or blow the finish entirely. Our soft-wash technique in Montenotte uses low-pressure biocide application instead — safe for every render type, from pebbledash to modern smooth finishes.
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Dirty, stained render makes even new-build homes look neglected. Our specialist soft wash render cleaning safely removes years of biological growth without damaging the surface, restoring your home's appearance.
Render is porous by design, which means it absorbs moisture readily — ideal conditions for green algae (thrives in shaded, damp areas) and black fungal spots (spreads fastest on north and east-facing walls with less direct sunlight). North Cork City's regular rainfall and humidity accelerate the growth cycle far faster than in drier climates. Left untreated, biological growth eventually breaks down the render surface itself, letting moisture penetrate to the insulation and blockwork behind it.
The good news: render discolouration is almost always cosmetic and biological, not structural damage — provided it's treated before it's left to establish for years. A single professional soft-wash typically restores the original colour completely.
Full application of a professional biocide treatment across all affected render at low pressure (under 100 PSI) — no jet washing that could crack or strip the surface. The biocide kills algae, moss, and fungal spores at the root, then the visible growth washes away naturally with rain over the following 1-3 weeks.
We also inspect for any render cracks, hairline damage, or areas where the finish has started to blow (bubble/detach) during the job, and flag anything that needs a repair specialist before it becomes a bigger, more expensive problem.
A professional soft-wash biocide treatment typically keeps render clean for 2-3 years on south and west-facing walls with good sun exposure, and 12-18 months on shaded north-facing walls common in tightly-packed North Cork City estates. We offer an optional annual top-up treatment for shaded properties to extend results.
Render cleaning is one of the highest-impact, lowest-cost improvements for kerb appeal in Montenotte — estate agents regularly recommend it before listing a property, and it's significantly cheaper than a full repaint.
Indicative pricing — final quote depends on specific requirements. No hidden fees, no surprise charges.
| Property / Job | Price |
|---|---|
| Small terraced (front only) | from €250 |
| Semi-detached (all sides) | from €380 |
| Detached house (all sides) | from €520 |
| Large detached / dormer | from €650 |
| Front + boundary walls | +€120 |
Prices shown are starting estimates for Montenotte. Get an instant exact quote in 60 seconds online.
Send a photo of the affected render — we'll confirm it's biological growth (not structural) and quote a fixed price.
Ground-level or scaffold access depending on building height, always safely rigged.
Low-pressure biocide treatment across all affected areas — kills algae and fungal growth at the root.
Visible growth washes away naturally over 1-3 weeks as rain rinses the dead organic matter off.
Documented results sent to your phone, plus any render damage flagged for repair if spotted.
Montenotte is home to a mix of period townhouses, luxury homes, and apartments. Properties near Montenotte's hillside terraces, St Luke's Cross, and views over Cork Harbour have specific needs and our local cleaners know the area inside out.
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