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| UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Concrete shrinkage - how much and when does it stop
Can anyone give me any guidance here
I'm planning to shutter a hearth for a fireplace I'm building. As I want the hearth height to be as exact as possible, I'm a bit concerned about concrete shrinkage. Can I assume that for a reasonable strong mix reinforced that this is negligible? I dont want the seals on the stove flue leaking as a result of the hearth dropping TIA Sean |
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#2
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Concrete never strops shrinking. After about 70 years theres nothing
left. NT |
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Sean wrote:
Can anyone give me any guidance here I'm planning to shutter a hearth for a fireplace I'm building. As I want the hearth height to be as exact as possible, I'm a bit concerned about concrete shrinkage. Can I assume that for a reasonable strong mix reinforced that this is negligible? I dont want the seals on the stove flue leaking as a result of the hearth dropping TIA Sean Not so much the strength as the wetness. Mix it strong and as dry as you dare. |
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