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Residential

Conservatory subsidence

How to stop conservatory subsidence

Conservatory subsidence is a common concern for homeowners. If you suspect your home is experiencing subsidence, it’s important to get the problem remedied as quickly as possible to prevent further damage.

At Mainmark, we offer fast and effective subsidence treatments for residential homes. Our conservatory subsidence remediation methods can be completed in about a day, saving you time and money, as well as minimising disruption to your family.

Our Teretek® resin injection and JOG computer-controlled grouting solutions are non-invasive – meaning no extensive digging or excavating is required. Small holes are drilled under the foundation of your conservatory, and then resin or cementitious grout is injected into the ground underneath. This process:

  • Gently lifts and re-levels the conservatory, returning it to its correct position.
  • Fills in voids that may have developed under the foundation, strengthening the support.
  • Improves the ground, increasing the soil’s load-bearing capacity and mitigating liquefaction under your conservatory.

With our conservatory subsidence treatments, you can rest assured that your conservatory is on solid and stable ground, so you can get back to enjoying your space without any concerns about structural issues. 

What are the signs of conservatory subsidence?

A conservatory is a beautiful addition to a home, giving you a bright and airy space to enjoy the outdoors while also being sheltered from the elements. However, conservatory subsidence is a common concern that homeowners should be aware of. 

Because conservatories are lightweight structures, they are often built with shallow foundations. Unfortunately, shallow foundations are more susceptible to subsidence. 

Spotting the signs of conservatory subsidence could give you an early warning that something is wrong and allow you to enlist expert help before significant damage occurs. Possible signs of conservatory subsidence can include:

  • Unexplained cracks or breaks in the glass walls or roof of the conservatory
  • Cracks, sloping or unevenness in the floor
  • Windows or doors that are difficult to open or close or which don’t seal properly
  • Gaps or separations between the conservatory and the main house

If left untreated, conservatory subsidence can lead to irreparable damage to your conservatory. It can also cause leaks and draughts in the main part of your home and create a safety hazard. If you’re concerned that your home is experiencing conservatory subsidence, get in touch with an expert as soon as possible.

Technologies

Technologies for treating conservatory subsidence

Teretek® – Resin injection for conservatory subsidence treatment

Teretek® resin injection is an engineered solution for re-levelling subsided conservatories, using a plural component, expanding polyurethane resin. Teretek® works in a way similar to keyhole surgery. Small holes are drilled under the foundation in order for Mainmark’s proprietary, environmentally inert resin to be injected under the foundation, improving the stability of the ground and re-levelling your conservatory.

Teretek® resin injection technology

JOG computer-controlled grouting for conservatory subsidence treatment

JOG computer-controlled grouting is a multi-point injection technique tat can be sued to remedy conservatory subsidence. This technology typically uses cementitious grout to re-level structures, including conservatories. This means that cementitious grout is injected under the foundations, using computers to accurately control the injection amounts in the various predetermined locations.

JOG computer-controlled grouting

Mainmark technology benefits

Benefits of Mainmark’s treatments for conservatory subsidence

Fast

Our technologies are installed quickly and can be walked on soon after.

Environmentally inert

We use safe materials that are non-toxic and do not leach into the environment or affect the treated area.

Non-invasive

Our solutions are surgical in nature, causing minimal disruption to you and your family.

Cost-effective

Compared to other solutions, our technologies cost significantly less and have fewer associated costs.

Testimonials

We’re happy to have helped

Soil stabilisation FAQ’s
What happens with unlevel driveways, floors and hardstand areas?

After the application of the Mainmark solution, unlevel surfaces will become aligned again as the ground underneath is strengthened and re-supported. Simple cosmetic repairs may be required.

Will there be a mess?

Very little, if any. We use Teretek® engineered Resin Injection technology, which is likened to “keyhole surgery”, or JOG Computer-Controlled Grouting, with no major excavation and minimal disruption or mess. The injection holes required are very small.

How long does it take?

Each project is different and depends on the required amount of lift, area for correction, building construction, and ground conditions. Most projects can be completed in a day or two, and we can work at night or on one area at a time, so your business can keep operating.

Do i need to send my workers home?

No, most projects don’t require you to vacate the premises or even move furniture or equipment. For the most part, you can keep operating as normal. Driveways can often be driven on in as little as 30 minutes after treatment.

What warranty will i get?

The materials we use have been developed for use underground and have been specifically engineered to resist shrinkage and deterioration. Teretek® is warranted by Mainmark for an industry-leading period of 50 years.

Is it safe and environmentally friendly?

Injected Teretek® and JOG materials are environmentally inert and have no detrimental effects on the environment.

Get a quote

Arrange a site assessment in three simple steps:

Step 1

Submit your enquiry using our online form. Include a brief message about the type of foundation issues you are experiencing.

Step 2

Our friendly customer service team will be in touch to schedule a site assessment that suits you.

Step 3

One of Mainmark’s experts will visit your home or property, assess the damage and determine the likely cause. They will establish the approach needed, create a plan specific to the needs of your building and provide you with a detailed quote.

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© 2024 The Mainmark group of companies. ‘Mainmark®’, ‘Terefil®’, ‘Terefirm®’ and ‘Teretek®’ are trademarks of the Mainmark group of companies.

Mainmark Ground Engineering (UK) Ltd.

CRN: 09372443

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