It may save time and effort, but it can cost homeowners in the long term, warn experts.

With the arrival of autumn, homeowners across the country will be gearing up for seasonal maintenance. While clearing gutters and removing debris are standard seasonal preparations, there’s one seemingly logical cleaning approach that could be doing serious damage to your roof.

On top of creating an unsightly mess, fallen leaves and debris trap moisture against shingles, clog drainage systems, and create the perfect environment for mould and rot. Left unchecked, this autumn build-up can weaken your roof’s defences against harsh winter weather. That’s where roofing expertise becomes invaluable.

Jeff Berzolla, CEO of Instant Roofer, has seen countless cases where well-intentioned homeowners inadvertently damaged their roofs during autumn cleaning.

“Homeowners want to protect their investment, especially heading into winter,” said Berzolla. “But there’s one cleaning method that’s so damaging, it can literally cut your roof’s lifespan in half. The scary part is, most people think they’re being proactive.”

### The Problem with Pressure Washing

While many might think the best way to clean their roofs is by using a pressure washer, this is exactly what they shouldn’t do.

Using pressure washers to blast away autumn debris may seem logical—after all, high-powered water should remove leaves, moss, and grime quickly and efficiently. But this approach is a disaster waiting to happen.

Berzolla explained, “Pressure washing might clean your deck beautifully, but it’s absolutely devastating to roof shingles. Those granules on your shingles are your roof’s first line of defence against UV rays, weather, and impact damage.”

When pressure washers hit shingles, they strip away these protective granules with every blast. Homeowners using them are essentially sandblasting their roof’s protective coating off, leaving bare asphalt exposed to the elements.

The consequences of pressure washing extend far beyond cosmetic damage. Once those granules are gone, your roof begins deteriorating at an accelerated pace, which can dramatically cut its lifespan.

Exposed asphalt shingles become brittle and crack more easily. Without their granular protection, they absorb more heat in summer and become more susceptible to freeze-thaw damage in winter.

The result? Leaks, structural damage, and the need for premature roof replacement.

Berzolla commented, “I’ve seen roofs that should have lasted 25 years need replacement after just 12 or 15 years because of repeated pressure washing. Homeowners think they’re maintaining their roof, but they’re actually destroying it.”

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### Four Safer Alternatives for Autumn Roof Cleaning

**1. Soft Washing Systems**
Professional soft washing uses low-pressure water combined with specialized cleaning solutions to remove debris and kill organic growth. This method cleans effectively without damaging shingle granules.

**2. Gentle Manual Removal**
For smaller jobs, a soft-bristle brush or leaf blower can safely remove most autumn debris. Work from the top down and never use metal tools that could scratch or gouge shingles.

**3. Professional Roof Cleaning Services**
The safest option is hiring professionals who understand roofing materials and have the right equipment, advises Berzolla. They know how to clean without causing damage.

**4. Strategic Gutter Maintenance**
Keep gutters clear and install gutter guards to prevent debris buildup. Regular gutter cleaning reduces the need for roof cleaning and protects your investment long-term.

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By choosing safer cleaning methods, homeowners can maintain their roofs properly and avoid costly repairs down the line. As autumn approaches, remember: what might look like a quick fix could end up costing you much more in the future.
https://www.dailyrecord.co.uk/lifestyle/property/householders-warned-over-popular-roof-35932794