Waterproofing Stucco (foundation, grill, painting, slab)

[Solere]

I would like to repaint a 15 year old raised stucco foundation that houses a BBQ grill. It was repainted three years ago without primer (just pressure washed) and the stucco is blistering/peeling, due to moisture. The exterior of my house is also stucco but doesn't experience blistering/peeling. I've read about a product called Seal-Krete Stucco Guard that helps prevent moisture from damaging stucco. Would this product be better than Kilz2 or Glidden Gripper? I would appreciate some feedback on Seal-Krete Stucco Guard, Sherwin-Williams Sher-Crete or similar products. Thanks.

[QIS]

Hi Happs,
Painting stucco helps drive moisture up into stucco and prevents it from evaporating properly. If the stucco is covering block or other masonry embedded into soil, the moisture in the soil will wick up the block and cause the stucco to blister and disintegrate. Stucco over block in this case acts as sacrificial parge coat and would need to be replaced rather than repainted.
If the soil is continually moist around and under the block; I have no other solution for this.

[K'ledgeBldr]

I somewhat concur with QIS.
The BBQ grill I'll assume is exposed to the elements all the time.(?) Which means it's absorbing moisture from all surfaces- outside and the firebox area itself, along with ground moisture.
So, unless you can control or eliminate the onslaught of moisture, your stucco problem isn't going away.

[ferretkona]

Well, it is not your house so go ahead and try it.
I would never use that on my home. Stucco was never meant to be water proof. The water resilience is the construction paper under the stucco. Even a concrete slab is not water proof, the water will seep thru rather quickly.