August 24, 2026
From subsidence to flash flooding – why insurers are preparing for weather whiplash
The UK is experiencing another summer of extreme weather, but for insurers the immediate...
Service guides
Drain jetting guide
Catalyst Resource Hub
At Catalyst, we always try to be helpful and share useful advice and expertise about the services we provide. This resource section is designed to provide you with accurate information that will help you make informed decisions about your home or business.
Service guides
Our service guides are designed to give you a detailed and accurate understanding of specific services Catalyst provides.
Service guides
Water leak detection guide
Service guides
Subsidence guide (Part 1)
Service guides
Subsidence guide (Part 2)
Service guides
Subsidence guide (Part 3)
Service guides
Off-mains drainage guide (Part 1)
Service illustrations
Each illustration explains how different service processes, equipment and property systems work.
Subsidence
What is building subsidence?
Off-mains drainage
What is a cesspit?
Off-mains drainage
What is a septic tank?
Off-mains drainage
What is a sewage treatment plant?
Off-mains drainage
How does a drainage field work?
Water supply pipes
Who is responsible for clean water pipes?
Service videos
Browse our videos for insight into our work and the technical processes used by Catalyst specialists.
Drainage
Drainage training video
Drainage
What is sewer coding?
Drainage
What is joint displacement?
Drainage
What is a backdrop manhole?
Drainage
What is a drain gully?
Drainage
What are drain gully connections?
Useful information
Helpful information and guides to support better decisions about drainage, water and property maintenance.
Belowground services
Glossary of terms
Property maintenance
Catalyst home environment checklist
Latest News From Catalyst
Helping business and domestic customers every day of the year
July 30, 2026
Dom does the double with second Kudos Award
Property Claims Handler Dom Weiss has proved he provides consistently excellent support for customers...
July 17, 2026
The heat is on – how climate change is impacting below ground services insurance claims
This summer’s heatwaves, and the climate change behind them, are putting homes and business...