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Frost and mortar

Discussion in 'Building' started by pilsbury, 17 Nov 2019.

  1. pilsbury

    pilsbury

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    Front garden wall finished yesterday. Temps have been around 8C during the day and 4C at night. Tomorrow night it says getting down to -1C.

    so the mortar will have had just over 48 hours before we have this heavy frost.

    Has it had long enough to not be affected? Should I cover it? Or am I totally screwed?!
     
  2. ^woody^

    ^woody^

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    I'd be more concerned about the weather people actually getting their forecast right, than the mortar.

    But let us know on Tuesday.
     
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  4. pilsbury

    pilsbury

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    Hmmmm.... just suppose for once they get it right and it was -1C 48 hours after bricking.... am I going to cry when my mortar spalls or am I over the danger time?
     
  5. ^woody^

    ^woody^

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    Once the mortar has set, next day, you are ok.
    We are not into the proper cold nights yet anyway, and a bit of minus degree air temperature for just a few hours does not translate into freezing walls.

    Freezing frosts are the things to watch for and protect against.
     
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