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Will the product Great Stuff gap filler work to seal out water?

i have a extended patio covered room, that has some separations forming between the ground floor base and the wall.  I want to seal it off so the water does not seep into the room.  will the product Great Stuff gap filler work to seal out water?

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Posted 2014-01-22T21:22:17+0000  by ssrs ssrs
 

Hello ssrs!

 

The idea you're pursuing is exactly correct ... seal the moisture out to prevent water damage.

 

Unfortunately, Great Stuff does not list waterproof as one of the properties of this product.

 

In almost all their descriptions, the manufacturer says "expands to take the shape of cracks and voids to form an airtight, water-resistant bond ..."

 

You might consider using this product to fill the void and then use true water barrier as a sealer.

 

Most caulks are not intended for use on large gaps, so you might look at LeakSeal spray as a solution.

 

According to the manufacturer, LeakSeal has these properties:

  • Rust and moisture resistant applies for superior protection from leaks and cracks
  • Withstands extreme temperatures and climates
  • Provides ultimate UV protection
  • Prevents water and moisture penetration for ultimate protection
Posted 2014-01-23T13:26:43+0000  by Pat_HD_ATL
 
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