Comment by Jeff Tobler on March 2, 2012 at 6:20am

If it continues to return, a flexible sealant such as caulk.

Comment by Tru Pac/Walttools/Don on March 2, 2012 at 10:59am

This is VERY VERY common in this trade.  Jeff is right on with suggesting(not in this case) that when doing these wraps you have to have a good lath system and a good scratch coat.  Adding fiber to your scratch coat on columns is a good idea as well since it helps reduce crack transfer.

Coating/Sealing the column(before lath) with a polymeric membrane material will also go very far in locking the whole piece together and reduce the environmental effects that cause wood columns to shrink/swell.  These micro movements are amplified at the corners and cause those nasty fissures.

just my $.02

Don

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