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Welcome to ASL Limited's Blog

We hope that you not only find what you are looking for but maybe even learn a little more while you are here.

From here you can view a list of the latest blog articles below OR filter them by category OR see the full archive of blog articles at the bottom of the page.

Featured Article

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A blocked drain is one of those problems that seems simple at first… until it keeps coming back. Many homeowners call out a company to clear the blockage, only to face the same issue again weeks later. At ASL Limited, we’ve spent over 50 years solving drainage problems across Surrey, Hampshire, Sussex, and Berkshire...

Blog Articles

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An image of a Treatment Plant Lid removed in Guildford for the ASL Limited Drainage team to empty it.
It is easy to think a domestic sewage treatment plant will just look after itself. Most of the time, it is buried in the garden, it hums quietly, and you do not even see it. At ASL Limited, callouts are common for treatment plants that have failed due to simple, preventable mistakes. Here is what we see go wrong, over...
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An image of a broken drain
Most people do not think twice about their rainwater drains until they overflow. It starts with a puddle. Then the gully bubbles. Before long, your driveway or patio floods every time it rains. At ASL Limited, these jobs come in all year round. The surprising part is it often starts with something small. What usually...
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An image of the signs of a collapsed drain
The tricky thing about a collapsed drain is that it does not always give you one clear, obvious sign. It builds up quietly. You might notice a few small issues, slow flushing, odd smells, or water not draining like it used to, and brush them off. Over time, those little warning signs often point to something bigger...
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An image of pitch fibre pipes. It's hard to tell you have pitch fibre pipes until the problems begin.
You do not know you have pitch fibre pipes until years later, when the trouble starts. This has been seen many times. Someone calls ASL Limited because they have had two or three blocked drains in the last year. A different company each time. The drain is rodded, maybe jetted, maybe even tankered. Each time, the...
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Most people genuinely believe they don't put fat and grease down the sink drain.
We hear it all the time. “I do not put fat down the sink.” Most people genuinely believe that. They picture fat as big lumps, like bacon grease or chip oil, something obvious. The truth is, fat, oil, and grease (FOG) enters the system differently. It is not in big slugs, but in microscopic, near-invisible layers...
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How often should you empty a septic tank or treatment plant?
Here is the truth: Most people do not think about emptying their septic tank or treatment plant until there is a smell, a backup, or a soggy lawn. Panic often sets in at that point. It is not exactly top of the to-do list for most people. If you have a private system, emptying it regularly is essential. Regular...
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A shared drain is any stretch of pipe that takes wastewater from two or more homes and carries it into the public sewer.
It is one of the most common conversations with homeowners: “The problem is in the pipe at the front, but we only use the back bathroom.” “It is the neighbour’s fat, not ours.” “That drain runs through our land, but it is not ours… is it?” When a drain is shared between properties, things get tricky, not because the...
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This is an image of our Gerry pinching his nose by a smelly toilet!
You walk into the house, and there it is. That smell. It might come and go. It might linger around the kitchen sink. Or suddenly hit you upstairs in the bathroom. Wherever it is, a smelly drain inside the house is more than just unpleasant. It's usually the sign that something's gone wrong. Here's the tricky part: The...
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Your property sits lower than the main sewer. Or the soakaway is uphill from your house. Or surface water needs to reach a stream that's higher than your garden. In any of these situations, gravity won't work. Waste can't flow uphill on its own. That's where a pumping station comes in. What does a pumping station do? A...
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Why does my drain smell? An image of a clogged drain.
A bad smell in the bathroom, kitchen, or utility room doesn't always mean there's a full blockage. Often it's something much simpler, something most people overlook. Over time, everyday things like shampoo, soap, toothpaste, fats, and cooking oils create a thin layer inside the pipes. When the water slows down or dries...

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