5 Common Exterior Stains & How to Remove Them Safely
Introduction
If your home’s exterior has seen mysterious dark patches or stubborn spots that won’t budge, you’re not alone. In Victoria BC, damp weather encourages everything from mildew to rust on siding and walkways. Below, we’ll detail five frequent offenders in exterior stain removal and show you how to tackle each one so your home can look good again without damaging the environment or your surfaces.
1. Algae Stains
Appearance: Greenish hue on wood decks or siding
Removal Method: Soft washing with biodegradable detergents is effective and safe
2. Mildew or Mold
Appearance: Black or grey patches on moist surfaces
Removal Method: A mild bleach solution or specialized fungicide, applied carefully to protect plants
3. Rust Stains
Appearance: Reddish-brown streaks, often below metal fixtures
Removal Method: Gentle rust removers or oxalic acid solutions, then a thorough rinse
4. Oil or Grease
Appearance: Dark splotches on driveways and garage floors
Removal Method: Degreaser followed by light pressure washing to avoid damaging the pavement
5. Hard Water Stains
Appearance: White, chalky residue on windows or glass doors
Removal Method: Vinegar or citric acid-based cleaners, followed by a polished wipe-down
Book a Comprehensive Exterior Cleaning
Ready to banish stubborn stains for good? Book a Comprehensive Exterior Cleaning with LooksGood.
Book Now! or call 250-896-9563 and let our experts help your home look good from every angle.
Frequently Asked Questions
Q: Are commercial stain removers safe for the environment?
A: Some are, but always check labels for eco-friendly certifications or consult a professional.
Q: Can I use a pressure washer on all stains?
A: High pressure can damage delicate surfaces. It’s safer to test a small area or consult with experts.
Q: How do I prevent future stains?
A: Regular cleaning and maintenance—plus sealing decks or driveways—go a long way toward reducing buildup.