Is No-Dig Technology Reliable for Repairing Pitch Fibre Drains?

What Exactly Are Pitch Fibre Pipes and Why Do They Fail?

Pitch fibre pipes were widely used from the 1950s to the 1970s across the UK. They were cheap to produce and quick to install, which made them popular with builders. They’re made from wood cellulose mixed with coal tar pitch, which worked well at first but wasn’t designed to last forever.

After around 40 to 50 years, the problems begin. The pipes can start to flatten under pressure from soil, driveways and passing vehicles. The inner surface can blister or form bubbles, which makes it easier for blockages to form. Tree roots can push their way inside. Chemicals from cleaning products can weaken them even more. Most of these drainage systems are now way past their intended lifespan, which is why so many people in places like Guildford, Hampshire and beyond are seeing issues with slow drains, bad smells or flooding.

Book in Today

So, What Is No-Dig Technology?

No-dig technology is exactly what it sounds like a way to repair damaged pipes without having to dig everything up. Instead of excavating sections of land, a specialist will access the pipe through an existing manhole or access point.

One of the most common no-dig methods for pitch fibre repair is something called CIPP lining (Cured-in-Place Pipe). Here’s how it usually works:

A CCTV drain survey is carried out to check the condition of the pipe.
The pipe is cleaned to remove debris, roots and scale buildup.
A flexible liner, soaked in resin, is inserted inside the old pipe.
It’s then inflated and hardened using hot water, steam or ultraviolet light.

When the curing process is finished, a strong new pipe has formed inside the old one. It seals any cracks, stops root intrusion and restores flow. Think of it like putting a brand-new pipe inside the original one.

Book in Today

Is No-Dig Technology Really Reliable?

For most pitch fibre drainage problems, yes no-dig technology is a very reliable and proven method. It’s used by water authorities, major drainage contractors and insurance companies across the UK.

Here’s why homeowners and commercial clients are choosing it:

It avoids digging up gardens, driveways and business premises.
It’s normally cheaper than full pipe replacement.
The process is much faster and can often be completed in a day.
The new pipe lining can last 50 years or more.
It creates a watertight, smooth surface that improves flow and prevents future problems.

However, like most things, it isn’t a one-size-fits-all solution. If a pitch fibre pipe has completely collapsed or is badly deformed, no amount of lining will fix it in those cases, excavation and replacement might be the only option. But for the majority of homes and commercial sites in Guildford, Hampshire and surrounding areas, no-dig repairs work extremely well.

No-Dig vs Traditional Excavation, Which Is Better?

Let’s compare the two in a realistic way. Digging up a pipe means the area above it whether that’s soil, paving slabs, tarmac or concrete has to be removed. Then the old pipe is taken out and a new one is laid in its place. While this method is effective, it’s messy, time-consuming and often expensive. You might need to replace driveways, replant gardens or close off access to parts of your property.

No-dig avoids all of that. Instead of weeks, it usually takes hours. Instead of heavy machinery, most of the work is done through small access points. There’s no need to re-landscape or repair ground surfaces. For most people, it’s simply the more practical option.

Excavation still has its place, especially for pipes that are severely damaged or misaligned, but if no-dig can be used, it’s almost always preferred.

How Much Does It Cost to Repair Pitch Fibre Drains?

Costs depend on the length and depth of the pipe, how damaged it is and how accessible the drainage system is. But here’s a general idea of what you might expect in the UK:

No-dig pipe relining typically costs between £80 and £150 per metre.
Minor cracked drain pipe repairs might range from £500 to £1,200.
Cracked sewer pipe repairs can cost between £1,000 and £2,500 depending on severity.
Full excavation and pipe replacement often start from £3,000 and can be much more if reinstatement is required.

If you’re in Guildford, Hampshire or nearby, a CCTV survey is the best way to get an accurate quote. It allows specialists to see exactly what’s happening underground before recommending the most cost-effective solution.

Local Pitch Fibre Drain Repair – Guildford and Hampshire

At Pitch Fibre Specialists, we regularly work with both homeowners and commercial property owners in Guildford, Hampshire and surrounding areas. Whether it’s a blocked pipe, collapsed section, repeated drain backups or root intrusion, no-dig technology is often the best long-term fix.

In Guildford, we’re often called for services such as drain repairs, drainage services Guildford and drain cleaning. In Hampshire, we carry out pitch fibre drain repair, pitch restoration services and preventative maintenance for homes, rental properties, schools and businesses. If you’re worried about the condition of your pitch fibre pipes, we can carry out a CCTV inspection and guide you through your options.

Frequently Asked Questions

How long does no-dig pipe lining last?
When installed correctly, a lined pipe can last over 50 years. It’s designed to be strong, watertight and resistant to chemicals and root intrusion.

Can every pitch fibre pipe be repaired this way?
Not always. If the pipe has fully collapsed or lost its shape, excavation might still be necessary. A CCTV survey is the best way to assess this.

Is it suitable for commercial buildings as well as homes?
Yes. No-dig technology is ideal for car parks, industrial estates, rental properties, schools and domestic homes because it avoids disruption.

Will this fix root damage too?
Yes. Roots are removed during the cleaning process and once the liner is installed, the pipe becomes sealed so roots can’t get back in.

Do I need planning permission for no-dig repairs?
Normally no. Because it’s considered maintenance rather than construction, planning permission is rarely required.

Contact our Team