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Soil & Waste



Our most popular range is our ring seal Push Fit 110mm system. This system is the most commonly used type of soil pipe in both domestic and commercial applications. It has a high gloss finish, it is compatible with all BS Approved Drainage systems and it is simple to install.

We also stock a fully solvent weld system which is can be used domestically or in commercial situations as it offers resistance to ultra violet light and most inorganic acids and alkalis. It is also resistant to boiling water (Ring Seal systems are also resistant to boiling water in short discharges of less than two minutes, which is more than sufficient for domestic applications). A full range of push fit waste, solvent weld waste, traps and WC pan connectors completes the line up for our Soil and Waste systems.

Choice of Soil and Waste System Colours

Our Push-Fit Soil and Waste systems are available in White, Black and Grey.
The Solvent Soil system is made in Black and Olive Grey, which is slightly darker than the standard Grey colour. Waste Pipes are available in a range of sizes in Black, White and Grey.

Types of Materials

Both of our Soil Pipe systems, ring seal and solvent weld, are made from durable PVC-U.
Our solvent weld waste systems are made from ABS Plastic. Air Admittance Valves are made from PVC-U and ABS. Our push fit waste, traps and pan connectors are all made from Polypropylene.

Joining to Other Materials

Our Soil and Waste System is fully compatible with our Underground Drainage System. It can also be joined to most other systems that are manufactured to British/European Standard. Connections can be made to Cast Iron and Clay Pipes using the SP140 adaptor.

British Standard Approved

All of our Soil and Waste systems are manufactured to British/European Standard and are Kitemarked. They are also manufactured under ISO 9001 approved procedures.

The Soil and Waste System Installation Guide 

Please click here to view or print our detailed Soil Stack Installation Guide.

It is good practice to begin the installation at ground level, working up the soil stack.

Pipes should be held in place by brackets at 2m intervals vertically, and 1m intervals for horizontal pipe runs.
Push-fit joints should be made using silicon lubricant to facilitate the joint. The pipe should be inserted fully into the joint and then withdrawn 10mm to allow for any possible expansion.

When making solvent weld joints, both the pipe and fitting should be clean and free from swarf or dust. Apply solvent weld to both surfaces, then push together and twist to ensure the solvent comes into contact with all parts of the joint. Wipe off any excess solvent using a cloth. The joint will set within five minutes and can be safely handled at that point, but you should ideally allow twelve hours before testing the installation.

We recommend that ABS and Polypropylene waste pipes be protected with exterior gloss paint when installed externally – this is true of all ABS and polypropylene systems regardless of manufacturer. PVC-U Soil and Waste Pipes require no additional protection.

If you need any advice on your purchase then please do not hesitate to contact Drainage Sales. For hints and tips on installing waste pipes and traps, visit our youtube channel and view the soil and waste tips video from Floplast or go to our Guides and Tips page for lots of guides, tips and videos.

Drainage Sales Soil and Waste systems are manufactured in the UK by FloPlast in one of Europe’s most technologically advanced factories. The result is a high-quality product that is tough and durable, yet lightweight and simple to install. Read more about Soil & Waste

Push Fit Systems: Our most popular range is our ring seal Push Fit 110mm system. This soil system is ideal for both domestic and commercial applications. It has a high gloss finish, is compatible with all BS Approved Drainage systems and it is simple to install.

Solvent Weld Systems: We also stock a fully solvent weld system which is can be used domestically or in commercial situations as it resists ultra violet light, most inorganic acids and alkalis and boiling water (ring seal systems also resist boiling water but in short discharges e.g. domestic use).

Materials & Colours: Push-Fit Soil and Waste systems are available in White, Black and Grey. Solvent Soil system is made in Black and Olive Grey.

Both of our Soil Pipe systems, ring seal and solvent weld, are made from durable PVC-U. Our solvent weld waste systems are made from ABS Plastic. Air Admittance Valves are made from PVC-U and ABS. Our push fit waste, traps and pan connectors are all made from Polypropylene.

Joining To Other Materials - Our Soil and Waste System is fully compatible with our Underground Drainage System. It can also be joined to most other systems that are manufactured to British/European Standard. Connections can be made to Cast Iron and Clay Pipes using the SP140 adaptor.

Soil & Waste Installation: For more detailed instructions on soil & waste systems use and installation, please visit our Guides and Tips section.

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Installation & Maintenance

How to Make a Ring Seal Joint

How to Make a Ring Seal Joint

Check out Drainage Sales' instructional video on the process of making a Ring Seal Joint - with some tip on the best methods.

Traps - How they work and how to replace one

Traps - How they work and how to replace one

Traps are a small but crucial part of the Drainage System. To understand how they work and learn to replace one, click here to watch our video.

Installing an Air Admittance Valve

Installing an Air Admittance Valve

The video below gives a brief explanation of how air admittance valves work, and where exactly they should be installed.

How to Connect Different Types of Waste Pipe

How to Connect Different Types of Waste Pipe

Take a look at our video for an easy solution for connecting a new waste pipes to old copper, lead, iron or other systems.

How to make a Solvent Weld Joint

How to make a Solvent Weld Joint

The process to make a solvent weld joint can easily be tackled by anyone with basic DIY skills, as demonstrated in our video.

How to Use an Air Admittance Valve

How to Use an Air Admittance Valve

What is an Air Admittance Valve? Click here to find out how they work, how they are installed and optimal environment in which to use them.

How to connect a Waste Pipe into a Soil Pipe

How to connect a Waste Pipe into a Soil Pipe

Check out our video here for the three most common ways to connect a waste pipe from the kitchen or bathroom into a main soil stack.

Installation of Simplefit Cast Iron Soil

Installation of Simplefit Cast Iron Soil

Useful step-by-step installation instructions for Simplefit Cast Iron from us at Drainage Sales, also available as a downloadable PDF document.

Installing a new PVC Soil Stack

Installing a new PVC Soil Stack

Take a look at an in-depth step-by-step installation guide for a new PVC Soil Stack from Floplast, also available as a PDF document.

How to connect a Waste Pipe into a Soil Pipe

How to connect a Waste Pipe into a Soil Pipe

There are a many different ways of connecting a waste pipe into a soil pipe - take a look at our concise guide here for easy attachment.

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