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Default How many courses?

How many courses of bricks in a 9inch wall can a bricky build without
the mortar squeesing out on the lower courses due to the increasing
weight. .
Is there a CP clause to limit the number of courses in a given time.
Regards
Don
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Default How many courses?

On Sep 18, 1:32*pm, John Rumm wrote:
Donwill wrote:
How many courses of bricks in a 9inch wall can a bricky build without
the mortar squeesing out on the lower courses due to the increasing
weight. .


With cement based mortar I don't think there is a limit really. It sets
well enough so quickly. Proper lime mortar on the other hand needs
longer or it does creep.


.... assuming youre not building a 9" column at top speed.


NT
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Default How many courses?

John Rumm wrote:
Donwill wrote:
How many courses of bricks in a 9inch wall can a bricky build without
the mortar squeesing out on the lower courses due to the increasing
weight. .


With cement based mortar I don't think there is a limit really. It sets
well enough so quickly. Proper lime mortar on the other hand needs
longer or it does creep.


Well it depends on how fast you lay, and on how heavy and porous the
bricks are.


Laying with porous brick, so much water is sucked out of the mortar that
its ends up mechanically like laying on a sand bed. No movement at all.
And hope the air is wet enough to set the stuff. OTOH a wet mix and
stone or concrete really squidges badly..but if the course is long
enough, and the weather warm enough, the mortar on the course two below
what you are working on will be set enough to be stable by the time you
get round to the third course.
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