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Residential

Jammed Doors & Sticking Windows

A Sign Of Subsidence

What does a jammed door or a sticking window mean?

Jammed doors and sticking windows are often the first indication of damaged foundations due to movement of foundation ground and soils under a home.

If you notice that your doors and/or windows are misaligned and are getting stuck, scraping against the frames or jammed, you should investigate these causes immediately, as the risk of doing nothing can be more costly down the track.

Fast & non-invasive solutions for jammed doors and sticking windows

Before

After

Features & Benefits

Mainmark’s Solutions & Technologies

Fast

Our technologies have fast curing times and treated areas can be used immediately or without the delays compared to traditional repair methods.

Environmentally Inert

Our technologies use an inert material that is non-toxic and does not leach into the environment or affect the treated area.

Non-Invasive

Our solutions are of surgical nature compared to traditional methods.

Cost-Effective

Compared to traditional methods, our solutions are more cost-effective, with minimal disruption to the area.

What causes jammed doors and sticking windows?

There are many different causes of subsidence and various contributing factors.

All involve some change in the ground, which, in turn, generates movement of the soil.

As well, different types of ground are more affected by different conditions.

When ground has been affected, building subsidence is common. Foundations or footings are no longer fully supported, sinking due to weak ground.

Soil Types

Moisture levels in the soil affect reactive clays as they expand and contract.

Oversaturated clays lose their strength resulting in footing subsidence. In loosely packed soils, such as sand and silt, the fine particales in the soil can wash away causing the footing to settle.

Tree Roots

Neighbouring trees and shrubs absorb water using their roots causing movement in the soil as it soaks up moisture in the ground.

Footing Systems

Poor foundation design or inadequate compaction of soil during construction results in movement of the structure as it settles.

Excess Water

Burst or cracked water pipes including blocked sewage and rain gutters  can oversaturate clay soils or wash fine particles from sand and silt soils and cause footings to subside.

Extreme or Seasonal Weather

Natural disasters such as flooding, drought and earthquakes affect soil moisture levels in particular clay resulting in excessive foundation movement.

Renovation or Construction

Vibration caused by nearby construction activity such as drilling or piling, or heavy road traffic causes soil particles to shift and settle, resulting in ground subsidence.

Get a quote

Arrange a site assessment in 3 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 the Mainmark experts will visit your home or property, assess the damage, and ascertain the likely cause. They will establish the approach needed, creating a plan specific to the needs of your building and provide you with a detailed quote.

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Mainmark Ground Engineering Pty Ltd
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