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Can I have cavity wall insulation?
by
Checkatrade

Question: I have a late Victorian mid terrace property, with, I understand a narrow cavity wall, circa 1 inch, is cavity wall insulation possible or advisable?

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Answer(s):

Christopher Carlton, CCC Services, Hartlepool

I would recommend getting a surveyor out to drill a few holes in your property and fully find out how big your cavitys are. Some old Victorian properties can have bigger and smaller cavitys on different walls. I believe the best you could fill with is polystyrene beads and not the common mineral wool as this is less likely to cause damp issues in older properties.

Scott Hardy, Truebuild Shrewsbury Ltd, Shropshire

I would be pretty certain you won’t have a cavity, if it’s a Victorian era it would be build brick bond if you look at the exterior you would see half bricks that’s a full brick bridging the external and internal skin, I would say the best option for you is to dab 27mm insulated plasterboards to the interior and replaster giving you a warmer room to contain the heat and nicely flush clean walls,
best regards Scott TrueBuild Shrewsbury ltd

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