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Puddle Flange
Our flexible puddle flanges ensure a watertight seal and are used where pipes intercept concrete slabs or the walls of a building.
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Help & Advice
![cesspit septic tank cesspool tanker emptying](/sites/default/files/styles/drainfast_square_sml_1x/public/2024-03/cesspit.jpg?h=502e75fa&itok=m0RFZ0AH)
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.
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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
![Stack of manhole cover lids for drainage inspection chambers](/sites/default/files/styles/drainfast_square_sml_1x/public/2023-02/Drainfast_Product_Categories_Web13.jpg?h=88eeb1d1&itok=gIHUvt4G)
Manhole Covers & Frames Explained
How to measure and choose the size you need and choose the right loading class for your project.
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Soil Stacks: Adding A Connection
Adding or modifying a bathroom, kitchen or laundry may require new waste pipe connections to a soil stack. This guide will tell you what you need to know.
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Public Health Crisis: Human Faeces in UK Rivers
Top scientists and engineers in the UK have raised alarm over the presence of human faeces in rivers, which poses significant risks to public health and the environment.
![toilet bathroom](/sites/default/files/styles/drainfast_regular_sml_1x/public/2024-05/toilet.jpg?h=8f9cfe54&itok=ABhxFP4_)
External Soil Pipes: An Installation Guide
Installing a soil pipe is a job best left to professionals, but if you want to try it yourself, this guide may help.
![underground drainage push fit install](/sites/default/files/styles/drainfast_regular_sml_1x/public/2024-05/drainage_install.jpg?h=8f9cfe54&itok=2vakN6jS)
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?
![Drainfast Alton Southern Depot Yard](/sites/default/files/styles/drainfast_regular_sml_1x/public/2024-04/20240418-dji_0922-hdr_alton.jpg?h=4b8c2e39&itok=29oXuT16)
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.
![off grid property drainage](/sites/default/files/styles/drainfast_regular_sml_1x/public/2024-04/off-grid.jpg?h=c6980913&itok=Ygw1IcM2)
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.
![Spherical septic tank for sewage treatment with manhole cover and frame](/sites/default/files/styles/drainfast_regular_sml_1x/public/2023-02/Drainfast_Product_Categories_Web20.jpg?h=88eeb1d1&itok=nvZ4qACM)
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.
![plastic drainage pipe installation grass uk](/sites/default/files/styles/drainfast_regular_sml_1x/public/2023-03/plastic_drainage_pipe_installation_grass.jpg?h=d536adaa&itok=JkIPfGlT)
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.
![ChiChi4U PVC Pipe Restaurant Poland View 1](/sites/default/files/styles/drainfast_regular_sml_1x/public/2024-02/ma306_chichi4u_press-02-1920x1293.jpg?h=1205af70&itok=v1-1jCHQ)
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.
![Two construction workers lift a manhole cover in a road using lifting eyes](/sites/default/files/styles/drainfast_regular_sml_1x/public/2024-01/20231023-103a7471-web.jpg?h=8f9cfe54&itok=o0Q10yqV)
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
![drainage septic tank leach](/sites/default/files/styles/drainfast_regular_sml_1x/public/2024-01/drainage_septic_tank_leach.jpg?h=7e42b6ea&itok=TskDl9vp)
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.
![drain photo hse](/sites/default/files/styles/drainfast_regular_sml_1x/public/2024-01/drain-photo-2-768x576.jpg?h=a9575592&itok=wWO7IHf0)
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.
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