Mortar damaged at sub-zero temperatures?

[plan-g]

Built a wall with weber leca isoblock yesterday in temperatures around 6 degrees Celsius and sunlight.

Unfortunately, by late night, it became about 2 degrees below zero.

Winter measures were unfortunately not taken and no antifreeze was used.

Could the mortar have survived, or is it just a matter of tearing it down and starting over?

 

[klaskarlsson]

Built a wall with Weber Leca isoblock yesterday in temp around 6 degrees Celsius and sunlight.

Unfortunately, late at night, it became about 2 degrees below freezing.

Winter measures were unfortunately not taken, and no antifreeze was used.

Could the mortar have survived, or is it just a matter of tearing it down and starting over?

Now, it's a considerably smaller amount than when casting, but for casting, they usually say it can handle a few hours with occasional freezing temperatures: Mortar burns itself and has a slightly higher temperature than the surroundings during that process.

The best is if you have some joint you can tap on to see if it has become brittle?

 

[ArneTW]

It's not much that can freeze with -2 degrees in a few hours.

I wouldn't worry... If it gets colder tonight, maybe hang up something insulating/covering.

-ATW

 

[plan-g]

Now it is significantly less quantity than during casting, but during casting, it is usually said that it can withstand a few hours of slight minus degrees: The mortar cures itself and has a slightly higher temperature than the surroundings during that process.

The best thing is if you have some joint you can tap on and see if it has become brittle?

Thanks.

I will tap on some joint and test it. If they feel stable and not brittle, it should be fine?

Now I have covered with tarp and turned on the heater.