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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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#1
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Portland cement
how long does it keep after opening the bag?
TIA |
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#2
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Portland cement
George wrote:
how long does it keep after opening the bag? TIA That entirely depends on local hunmidity. I had a bag I got this summer for some odd jobs. Left outside in the old landrover. The outside and top had caked, but inside it was still powdery. It set Ok when I had to put in two half bricks to tidy up some decorative brickwork. If you seal it against moisture,. it lasts forever. If it gets rained on, its a solid lump the next day ;-) If its still powdery, its OK. |
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#3
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Portland cement
"The Natural Philosopher" wrote in message ... George wrote: how long does it keep after opening the bag? TIA That entirely depends on local hunmidity. I had a bag I got this summer for some odd jobs. Left outside in the old landrover. The outside and top had caked, but inside it was still powdery. It set Ok when I had to put in two half bricks to tidy up some decorative brickwork. If you seal it against moisture,. it lasts forever. If it gets rained on, its a solid lump the next day ;-) If its still powdery, its OK. Hah! yes sorry forgot to mention the bag has been kept inside with a relatively good warmish condition. Just checked, it has gone a bit hard on top. |
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#4
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Portland cement
On Dec 17, 12:43 pm, "George" wrote:
"The Natural Philosopher" wrote in . net... George wrote: how long does it keep after opening the bag? TIA That entirely depends on local hunmidity. I had a bag I got this summer for some odd jobs. Left outside in the old landrover. The outside and top had caked, but inside it was still powdery. It set Ok when I had to put in two half bricks to tidy up some decorative brickwork. If you seal it against moisture,. it lasts forever. If it gets rained on, its a solid lump the next day ;-) If its still powdery, its OK. Hah! yes sorry forgot to mention the bag has been kept inside with a relatively good warmish condition. Just checked, it has gone a bit hard on top.- Hide quoted text - From my experience if it's still powdery (like new cement) then it works fine. ..but I maybe wouldnt' use it on something critical if it's a mix of powder and clumps. |
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#5
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Portland cement
From my experience if it's still powdery (like new cement) then it works fine. ..but I maybe wouldnt' use it on something critical if it's a mix of powder and clumps. But powder and clumps is fine for rough concrete, especially if you have a mixer and mill it a bit with dry aggregate |
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#6
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Portland cement
"George" wrote in message .uk... how long does it keep after opening the bag? Always a bit less than the time to your next job. Colin Bignell |
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