4-Gas Monitors: H2S, CO, LEL and Oxygen
The four gases that cause most confined space deaths, and why you cannot sense them in time. What O2, LEL, CO and H2S do, and how to use a monitor properly.
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Rotary vs Line Laser Levels: Which to Buy
Rotary for outdoor levelling and grade, line for indoor alignment and fit-out. The simple job-based way to choose the right laser level, and why many own both.
Why Cable Locator Calibration Matters
An out-of-calibration CAT can read clear over a live cable. Why annual calibration matters, what a proper service checks, and how to keep a fleet compliant.
Homebuyer Drain Surveys: A Guide for Plumbers
A pre-purchase drain survey is cheap insurance for buyers and high-margin work for plumbers. How to deliver one, the kit you need, and the report that sells.
What a CAT and Genny Cannot Pick Up
A clear sweep does not mean clear ground. Exactly what a CAT and Genny cannot detect, from plastic pipes to unloaded cables, and how to find each one.
Tips for Accurate Cable Locating
Most location errors are technique, not equipment. Five field-tested habits that turn a hopeful sweep into a confident locate with your CAT and Genny.
Confined Space Entry: The Safety Equipment Guide (2026)
Confined spaces kill, often two at a time. The four things every entry needs: continuous gas monitoring, an escape set, non-entry rescue and a trained attendant.
Site Surveying: Precision and Alignment Guide (2026)
Accurate setting-out is matching the tool to the task: lasers for level, total stations for points, GNSS for area. How to choose, and how to check them.
The Professional Sewer & Drain CCTV Handbook (2026)
The field guide to professional drain surveys: push cameras and crawlers, WRc coding, locating defects with a sonde, and choosing a system that pays back.
CAT and Genny Explained: What They Are & How to Use One (2026 Guide)
Everything that keeps people safe on UK sites: what a CAT and Genny detect, how to use them properly, the modes, SWING, calibration, and hire versus buy.