My son-in-law has bought a "build it yourself" "stone" firesurround, The
instructions are not very clear. For setting the hearth on a bed of mortar
it is a bit ambiguous as to whether wetting the stone is a good or a bad
thing - it refers to one or the other drawing the moisture out of the
mortar without it being clear as toy wheter this is a good or bad thing.
What would you suggest?
If it *never* happens why would brick manufacturers or suppliers give
instructions on how and when to do it?
"Only with high suction rate bricks in warm
weather conditions should dunking (or wetting) of the bricks be
considered. If it is undertaken the bricks should not be
soaked and only clean fresh water should be used to avoid soluble salt
On Tuesday, 9 August 2016 19:45:39 UTC+1, DerbyBorn wrote:
If you wet the stone it won't absorb much water. The idea is that no dust will serve to work as a release agent as in mold release wax. With wet surfaces the lime carries around any dust particles and the bond is stronger.
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