For existing homes with wooden floor construction.
Stop Mould & Mildew, Reduce Heating Bills, Cost Effective Permanent Solution to Rising Damp, Free Consultation/Quotes.
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Canterbury Foam Concrete Ltd have been making and supplying lightweight foam concrete in Christchurch for multiple uses for over 20 years. ‘THERMOFILL™’ is a trademark name for a system of sealing the ground beneath your wooden floor home to stop rising damp.
Rising damp can be a major contributor to poor health causing respiratory issues like asthma. Your home can also suffer being water logged with dampness causing mold, Mildew and rot as well as musty smells in the wardrobe and personal belongings being ruined after storage in a damp location of the house.
Another common misconception and about the time we often get a call is when ceiling insulation has been installed then window condensation increases. This is due to rising damp being further trapped in your home than before. Attach rising damp from the source – seal the ground.
We offer free measure and quote in Christchurch with no obligations.
The process is pouring a layer of flowable self leveling lightweight foam concrete over the ground beneath your wooden floor to seal off rising damp.

The house seems warmer – in fact we have not switched on our night store heaters, which is unusual. The dampness and musty odour that used to be under the house has gone completely. It is much easier and cleaner to get under the house.

As you know I had looked at other options but I liked the permanence of the concrete. It’s certainly worked and I wish I had done the job long ago. Thank you for completing the job with no mess and in true tradesman like manner.

Thanks Guys. The foam concrete has made a lot of difference already. Floor is a lot warmer and noticeably drier inside- even as we continue to use a portable gas heater. If you would like a testimonial let me know.

I have been a Master Builder for most of my working life and was surprised and pleased we got your firm to do the job and would have no hesitation in recommending foam concrete as the answer to many dampness problems under existing houses.

Before installing the foam concrete our house was always cold and musty smelling due to the soil and moisture under the house. When the concrete was installed under the floor the workmen were neat and tidy with their work, and the job was done without any hassles (or mess). They were professional in their manner at all times. The procedure did not cause any inconvenience to our household at all.

Since the concrete was installed the house is definitely warmer - especially the end bedrooms which were always cold and prone to mildew. Any jobs which require climbing down under the house eg Plumbing, wiring are now a lot cleaner as you don’t get covered with dirt or mud.

We have now had two winters with the foam concrete under floor and would thoroughly recommend both Canterbury Foam Concrete, and their product to anyone who is interested in having their home warmer and drier. It was certainly money well spent.

The results from having this done are absolutely unbelievable. The house is noticeably warmer, we have no condensation and our power bill has been considerably reduced. Graeme did the job professionally and left our property clean and tidy.

I was pleased with the friendly service from everyone. It took three days to see the difference on the walls and closets in the house and we have been so happy with our product that we have been telling everyone about it and your company.

I cannot believe the difference the product has made to my flat. To get out onto the warm carpet in the winter is a real treat. I find that I do not need as much heating now, so I will pay for your product easily by the savings I make on heating bills.