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How Drain Tracing Helped an Unhappy Landlady

September 28, 2016

Damp is never a happy outcome. The causes of damp can be varied, but it’s important to know exactly why it’s occurring, because otherwise you can spend large amounts of time and money on the wrong solution. Drain tracing is a key way of discovering the causes of damp seepage through external walls.   The […]

The Benefits of Sonar, from Subs to Drain Tracing

September 15, 2016

Sonar is all about sound propagation, and when used in drain tracing it is active, whereby emitted pulses give back echoes to help with acoustic location. The word sonar is originally an acronym for Sound Navigation And Ranging, and it first began to be used in the early part of the 20th century, possibly as […]

Are Blocked Drains a Mammoth Task? Not With a CCTV Drain Survey

September 8, 2016

Recently workers digging up a drain near Mexico City discovered the fossilised remains of a mammoth. These dated from around 14,000 years ago. In terms of blocked drains, a mammoth would be quite an obstacle. You might think it unlikely that drains might contain large blockages without it being obvious, but in fact drains can […]