Prepping for final coat of varnish

this afternoon I applied the third coat of interlux varnish to my teardrop camper. I will wet sand with 400 grit before the final coat.  Is it sufficient to let the third coat dry/harden overnight before sanding or should I let it sit an extra day?

Thanks

Ken


4 replies:

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RE: Prepping for final coat of varnish

Maybe, maybe not, depends entirely on the temperature and humidity.  

Laszlo

RE: Prepping for final coat of varnish

   Low 70's and 50% humidity (dew point 55 degrees) today, prob drop to upper 60's in the workshop overnight.

 

RE: Prepping for final coat of varnish

If it was mine I'd wait the extra day.

Laszlo  

RE: Prepping for final coat of varnish

   I was leaning that way.  Thanks

 

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