Sewage Treatment & Septic Tank Systems
We stock a range of septic tanks and can also supply sewage treatment systems for properties that don't have access to mains sewers. Contact our helpful team today.
Help & Advice
Cesspools & Silage Tanks: The Differences Explained
Cesspools and silage tanks are similar in appearance and both are underground effluent storage tanks, but there are key differences in what they are used for.
How To Install Underground Drainage Explained
We are thrilled to announce the launch of our new video series, filmed at the OHOB Training Academy, a comprehensive guide on installing underground drainage
Manhole Covers & Frames Explained
How to measure and choose the size you need and choose the right loading class for your project.
Related articles
Push-Fit vs. Solvent-Weld Soil Pipe Systems
Modern PVC plastic soil pipe systems feature either push-fit or solvent-weld connections. What are the differences and benefits?
Soil & Waste Systems: A Guide
While soil and waste pipe systems perform a similar task – removing the water from toilets, baths, showers, sinks and washing machines from a property – there are important differences between them.
No Mains Drainage? Your Options
Not all properties can be connected to a main sewer and require an off-main alternative: we look at the options for managing waste and foul water.
Sewage Treatment Plants: Everything You Need To Know
Sewage treatment plants provide efficient and environmentally friendly sewage management for properties that don’t or cannot be connected to a main sewer.
The best place to buy drainage supplies
Big box stores like B&Q and Wickes, retailers like Screwfix and Toolstation, or a specialist drainage supplier such as Drainfast? We make the comparison.
Unconventional Interior Design: Restaurant's PVC Pipe Makeover
Discover how Polish restaurant, ChiChi 4U redefines burger dining using 300 PVC drainage pipes as interior decoration! Unconventional design meets culinary creativity.
How much weight can a manhole cover take?
Drainfast's drainage experts clarify BS EN 124:2015 and FACTA manhole cover load ratings to help you choose the right cover for your location
Septic Drainage Fields: Design & Installation Guide
A design and installation guide from Drainfast, taking you through the steps of specifying, constructing and installing a drainage field for your septic tank.
Injured manhole worker lands NHS with fine
Incident at NHS hospital highlights the importance of identifying confined spaces, risk assessments and ensuring workers are trained in safe working practices.
Save money on drainage supplies this year
Get up to 30% off list price when you place your order online. If you are searching for underground drainage supplies for delivery to a project in England, you will find Drainfast an excellent supplier to deal with.
Septic Tanks: An Installation Guide
While most parts of the UK have access to main sewers, more remote locations rely on off-grid alternatives such as septic tanks and sewage treatment plants.
UK Soil Vent Pipe Building Regulations: A Summary
A soil vent pipe is a vertical pipe connected to a sewage drainage system. Also called a stink pipe, drain waste vent or soil stack pipe, it is used to regulate the air pressure in an otherwise airtight sewage system.
Delivery options
Enter your postcode for delivery timescales, accurate stock levels, and your nearest depot