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Discussion Starter #1
Got a couple of spots where new NP1 bubbled up during curing.
Can I let this fully cure out and attempt to sand/wire brush this with a grinder.

Or am I better off taking a fein and a flexiable blade to cut the *top* off on it.
Plan to just remove the top and reapply a *thin topper layer* just to fix things up.

A quick test of the sealant and it's pretty well adhered on the expansion joints.
Just wanted to get rid of these ugly bubbles
 

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Old caulks not going to stick to new.
 
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