Tanking shed wall, what's best?

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Looking for any good recommendations for tanking slurry unless they are all much alike?

Despite repairs, I have a bit of water ingress coming in on a block built outhouse made from 4 inch concrete blocks, it's single skin, but one side of it backs up against a garden.

On the garden side i've dug out 40cm away from the wall down to the foundation as much as i could. Then painted blackjack to the outside of the wall, slipped a sheet of visqueen up against the wall and backfilled the gap with pea gravel. The outside soil height is 1m higher than the inside floor.

I still think theres a little bit tracking in from the clay bed and at an edge i couldn't dig out so would like to add tanking slurry to the inside wall and a small floor overlap to stop this.
 
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Hi Ruggers,

I used Ka tanking slurry to tank the walls and floor of my garage based on recommendations online, I also didn't read anything bad about it. I was also looking at Vandex BB75 but went with the KA as it was a lot cheaper. Only a DIYer and only did it last year but its working so far. I also used Ka fillet seal for the wall floor and wall wall joins, maybe overkill but it wasnt that much more for a bucket of it.

Good luck.
 
all powder tanking products are pretty much the same and not particularly expensive.
my personal preference for smaller jobs is unibond waterproof pva and cement slurry. although it works out a fair bit dearer
 

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