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3M premium filler
Jdonohuejr	#1  Posted on 03/25/12 - 5:26 PM
Member Posts: 13 Comments: 0 Joined: 11/20/11	I used the 3M filler product to make some repairs, but I have not painted over them because I am planning on having the entire boat professionally painted next season. Is this stuff OK if left unpainted?
John Fyke	#2  Posted on 03/25/12 - 6:04 PM
Member Personal Page Posts: 1307 Comments: 0 Joined: 09/06/06	Bondo is pourous. At least put some primer on it until it gets painted. John Fyke Re-Fit or Reef It 1979 15' Sport with Super Sport conversion and 70hp mercury.
Bake	#3  Posted on 03/25/12 - 7:07 PM
Member Personal Page Project Albums Posts: 902 Comments: 8 Joined: 01/30/06	Would not hurt to put some primer over it. is it above or below the waterline. A quick search with google says it can be used to make water tight repairs below the water line. I think you would not have to worry about it. I know when i wet sand the materal it does not seem to me it will absorb water.
modenacart	#4  Posted on 03/25/12 - 7:47 PM
Member Personal Page Posts: 741 Comments: 4 Joined: 02/28/09	3M makes high quality stuff. If the packing says it is water tight, I would believe it. They that give up essential liberty to obtain a little temporary safety deserve neither liberty or safety. --Benjamin Franklin