Professional House Wash & Algae Removal in Galway

House Wash and Algae Removal in Galway

Has your home lost its original shine? Over time, the damp Atlantic climate takes a heavy toll on local properties. If your exterior walls are covered in unsightly red or green algae, or dark fungal patches, you are not alone.

We provide premium, low-pressure house wash and algae removal services throughout Galway City and County. Our specialist exterior cleaning methods safely remove years of organic growth, restoring your home’s bright, clean appearance without damaging your plaster or render.

The Problem: Why Galway Homes Turn Red and Green

The West of Ireland provides the perfect breeding ground for airborne organic spores such as Trentepohlia (the microalgae responsible for bright red streaking) and common green algae.

Because modern external finishes — including K-Rend, monocouche, and traditional sand-and-cement renders — are often porous, they retain moisture from frequent rainfall. This creates the ideal environment for algae, moss, and lichen to take hold, embedding their root systems deep within microscopic surface pores.

What often begins as small, faint patches can quickly spread across entire gables and façades, significantly reducing your home’s kerb appeal and, over time, impacting its perceived market value.

Our Solution: Safe, Low-Pressure Soft Washing

Many homeowners make the mistake of using aggressive, high-pressure power washing to blast away stains. This is a short-sighted approach that can crack delicate render, strip paint, and force water deep into wall cavities. Even worse, high pressure often leaves microscopic algae roots behind, meaning the staining quickly returns.

We do things differently. Our Galway house wash service uses a specialist method known as Soft Washing.

How Soft Washing Works:

  1. Low-Pressure Application: We apply a biodegradable, specialist cleaning solution to exterior walls at a pressure similar to a garden hose.
  2. Targeted Treatment: The solution breaks down the cell structure of red and green algae, killing the organisms at the root.
  3. Gentle Rinse: Once the treatment has worked, we gently rinse away the dead organic matter, leaving a clean, sanitised surface.

The Soft Wash Advantage:

Because soft washing eliminates the living spores rather than just removing surface staining, your exterior walls stay cleaner for significantly longer—often up to four times longer than traditional pressure washing.

Surfaces We Clean and Restore

Our experienced exterior cleaning team treats a wide range of residential wall types across Galway, including:


  • Weber, Monocouche, & K-Rend Renders
  • Painted Masonry & Sand-and-Cement Plaster
  • Pebbledash Walls
  • External Brickwork and Natural Stone Facades
  • uPVC Fascia, Soffits, and Cladding

Serving Homeowners Across Galway

We proudly serve homeowners and businesses across the region, including:

Galway City: Salthill, Knocknacarra, Ballybane, Renmore, Terryland, and Castlegar.

North Galway: Headford, Corrandulla, Tuam, and Abbeyknockmoy.

East Galway: Athenry, Loughrea, Monivea, and Craughwell.

West Galway: Barna, Spiddal, Furbo, Carraroe, Oughterard, and Moycullen.

South Galway: Oranmore, Clarinbridge, Kilcolgan, Kinvara, and Gort.


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