Oct 31 2020, 10:39 PM
QUOTE(Newsray @ Oct 29 2020, 12:02 PM)
Does anyone know how PU injection works?
I have a spot in the ceiling with water mark.
The contractor suggested PU injection grouting.
My question is if he seal the area (water mark spot), where is the water (leaking from somewhere) going?
So if he seal one spot, I am sure the water will find its way to another section of the ceiling right?
If he not sealing the root cause of leakage, the water will flow elsewhere if he targeted seal the water mark area.
PU injection is only temporary fix for the particular spot. If you don't fix the root cause the water can always find another weak spot to come out, the problem can never be solved this way. Best to find a reliable contractor to rectify the cause and fix the root problem. then apply proper waterproofing and coatings.I have a spot in the ceiling with water mark.
The contractor suggested PU injection grouting.
My question is if he seal the area (water mark spot), where is the water (leaking from somewhere) going?
So if he seal one spot, I am sure the water will find its way to another section of the ceiling right?
If he not sealing the root cause of leakage, the water will flow elsewhere if he targeted seal the water mark area.
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