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Burnished vs Floated Slab (Stego)
04-15-2014, 09:46 AM,
#1
Burnished vs Floated Slab (Stego)
Just found this: http://www.us-concrete.com/aridus/DryingofLightweightConcrete.pdf

A great look at RH in slabs in unconditioned environments. Obviously a sales piece for Stego/US Concrete's Aridus but still valuable.

What is interesting is this is SO controlled that it shows something. We all know that 100% of those slabs will not fail at 80-90% RH if the CaCl is in the 4-5 range. Yet the perspective is that they will.

I think there is a LOT of 'safety margin' in manufacturer specs of 75-80%. I bet there has been very little real research by adhesive companies as to what really works and what doesn't. I've never seen a single study put out by Mapei, Bostic, Parachem, etc....
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Burnished vs Floated Slab (Stego) - eaadams - 04-15-2014, 09:46 AM