besser blocks and salt damp/rising damp

[Tonz]

working on a 60's building erected from besser blocks that now have bad salt damp rising.....
This building is right on the coast, literally high tide I could be fishing from the verandah.
The community group that owns it have run themselves financially ragged and have zip to pay buy anything.
Ive googled enough and youtubed to have a good idea how to remidy the situation.

What the 'specialists' dont tell you is
1. how long the 'synthetic' (for want of a better word) membrane will work
2. what happens to the bricks/blocks below the membrane...do they continue to crumble with salt damp and then (given to reason) eventually collapse? if so what happens to the remaining wall.

I see this stuff working well for a period of time but then.....