Softwash Red Algae Treatments in Nenagh
We eliminate red algae safely and thoroughly with biocide-powered softwash.
Safe Surface Treatments for Red Algae in Nenagh
Red algae isn’t just unsightly—it can damage render, paint and tiles if left untreated.
At Southeast Contractors, we use non-invasive red algae removal in Nenagh that restores your property without damaging render, paint, or tiles. Our method combines softwash application with biocide to prevent it from returning—all backed by 15+ years of experience.

The Red Algae Experts in Nenagh
- ✅ Softwash Method – No Damage to Paint or Render
- ✅ Professional Biocide Application to Stop Regrowth
- ✅ Fully Insured, Trained & Vetted Team
- ✅ We Only Charge When You’re 100% Satisfied
- ✅ Fast Quotes, Clear Communication, Guaranteed Results
🧽 Let’s Remove the Algae for Good
Let us safely clear those ugly streaks and restore your walls, roof, or render—fast.
Our Red Algae Removal Process
This isn’t a spray-and-go operation. Our process is designed for long-term results.
- Inspection: We assess where red algae has taken hold and determine the best softwash method.
- Softwash Application: We apply a gentle detergent to dissolve algae without harming paint, render, or tiles.
- Biocide Treatment: We kill it at the root with biocide that protects long-term.
- Rinse Down: The surface is gently rinsed, leaving behind zero mess and a streak-free finish.
Quick. Safe. Lasting. That’s how red algae should be handled.
📸 See the Difference
Want your walls to look like this? Let’s make it happen.


🎥 See the Process for Yourself
Want to see it in action? This is how real pros handle red algae removal.
🧼 Clean Finish, No Hassle
It’s fast, safe, affordable—and trusted by homeowners all across Nenagh.
Proven Results in Nenagh
We’ve cleaned and protected homes all over Nenagh using the safest, most effective method in the business.
🔒 Guaranteed Clean. Guaranteed Protection.
You’ll get clean walls, zero stress, and the satisfaction you deserve.
- ✔️ No Payment Until You’re 100% Happy
- ✔️ Effective Cleaning with Lasting Protection
- ✔️ Stops Red Algae from Coming Back for Up to 3 Years
- ✔️ Fully Insured & Trusted by Locals in Nenagh
Red Algae Cleaning FAQs
What is red algae?
It’s a form of airborne bacteria that thrives on damp surfaces, especially shaded render, walls, and rooftops.
Is pressure washing enough?
Softwash is safer and more effective—it cleans gently and stops it from returning.
How long does your treatment last?
Most clients see zero return for 2–3 years. It’s a long-term win.
Is it safe for pets and plants?
Yes—our products are eco-friendly and water-based. We always rinse surrounding areas to protect your home, garden, and furry friends.
🚿 Your Clean, Streak-Free Finish Starts Here
We’ll kill the algae, protect the surface, and leave it spotless. Free quotes. No pressure (literally).
🌍 Want to explore more services across your county?





