Your questions answered

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Frequently asked questions

At A W Roof Care, we understand you might have questions about our services. We believe in transparency and providing you with all the information you need to make an informed decision. Here are some of the most common questions we receive, along with our detailed answers.

What is the safest way to clean my roof?
We never use high pressure on your roof tiles. At A W Roof Care, we specialise in soft washing and manual scraping. This means we gently kill the moss and algae at the root using low-pressure, specialist treatments. Your roof gets completely clean with zero risk of broken tiles or stripped shingles.

Will the moss just come back next year?
We don't just clear what you see; we stop it from returning. After removing the physical moss, we apply a premium, professional-grade biocide treatment. This soaks deep into the tile pores to kill invisible spores. It keeps your roof cleaner for years longer than a standard wash.

Will your chemicals kill my garden or mess up my driveway?
We treat your property like our own. Before we start, we cover your plants and lawn with protective sheets, and ensure any run-off is safely managed and contained. Your garden and driveway will be left as clean as we found them.

Why is moss on my roof a problem?
Most homeowners think moss is just an eyesore, but it acts like a sponge. During a wet British winter, that moss absorbs water and holds it against your tiles. When temperatures drop below freezing, the trapped water expands, cracking or weakening your tiles from the inside out. Removing moss before winter protects your roof from costly frost damage.

Why are my gutters constantly overflowing?
If you notice your gutters overflowing during heavy rain, the problem might actually be on your roof. Moss naturally breaks away over time, rolls down the slope, and compacts inside your gutters and downpipes. Cleaning your gutters is only a temporary fix if your roof is still covered in moss; clearing the tiles is the only way to solve gutter blockages long-term.

What about flat roof maintenance?
For extensions or garages with flat roofs (like EPDM rubber or liquid roofing systems), accumulated debris can trap moisture. This constant dampness can accelerate material degradation and lead to leaks. Regular clearing of leaves and debris is crucial to extend the life of your flat roof.

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