Wear heavy-duty rubber gloves, waterproof boots, and eye protection. Drain water is contaminated. Do not smoke or use open flames near manholes (sewer gas—methane—is explosive).
It often starts subtly. A strange, earthy smell wafting past the back door. A slight gurgle from the downpipe during a light shower. Then comes the deluge—not from the sky, but from your own property. A blocked outside drain is one of those household failures that bridges the gap between a minor nuisance and a full-blown environmental health crisis. Unlike an internal blocked sink, which you can simply avoid using, an external drain blockage attacks the very defences of your home, threatening to flood gardens, erode foundations, and turn patios into wading pools. blocked outside drain
are the workhorses of sanitation. They carry wastewater from toilets, kitchens, bathrooms, and washing machines. These pipes lead to the main sewer. Blockages here are biological and chemical—fat, grease, soap scum, sanitary products, and “flushable” wipes. Wear heavy-duty rubber gloves, waterproof boots, and eye