Extension boundary hollow


Postby dormermike » Tue Jan 04, 2011 10:24 pm

Hi

I have an bungalow which was extended about 15 years ago. At the "join" of the original building to the extension a crack is present - it may have been there a long time and the surveyor did say no structual defects are present. However, i've recently become more aware of the crack as I can feel it under the carpet. When rolling the carpet back, tapping the concrete floor sounds hollow - as if there is a 1-1.5 foot wide trench running the length of the boundary of the old and new part of the building.

Just wondering what that could be?

Thanks
Mike
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Postby welsh brickie » Wed Jan 05, 2011 8:37 am

the crack could be just settlement,I suggest having it chipped out and repaired, but if your concerned contact a STRUCTURAL surveyor for further advice
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Postby dormermike » Wed Jan 05, 2011 2:06 pm

Thanks for the reply.

Do you think its OK to leave it and see what happens?
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Postby welsh brickie » Wed Jan 05, 2011 7:40 pm

[quote="dormermike"]Thanks for the reply.

Do you think its OK to leave it and see what happens?[/quote]

Repair the floor and if it cracks again you know you have movement.
take photos of the cracks and date them check in 3 months to see if there is any change.Its probably nothing to worry about
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