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Building Tips and technical articles. => Paint and finishing => Topic started by: James Mills on February 17, 2011, 07:06:10 PM

Title: What to use for primer
Post by: James Mills on February 17, 2011, 07:06:10 PM

I've used Polar Gray (both SIG and Brodak) in the past with a little white mixed in for the primer coats and was wondering what else I could use (doing a dope finish) that I can get at the local paint supply and not have to mail order?

Thanks,

James

Title: Re: What to use for primer
Post by: Randy Powell on February 18, 2011, 11:36:34 AM

James,

Well, I usually make my own filler/primer coat. Some white, a touch of black (to make gray) and filler (either zinc sterate or talc) and clear dope. Then a blocking coat - the color of the block coat depends on what I using for a base color. Sometimes silver, sometimes gray, sometimes gold. It depends.

Title: Re: What to use for primer
Post by: PJ Rowland on February 27, 2011, 11:56:24 PM

I use a ready made commerically avaliable white acylic  based primer ..

Title: Re: What to use for primer
Post by: Bill Little on February 28, 2011, 02:18:57 AM

Hi James,

Are you talking "primer/filler" or "blocking coat"?  I have used Duplicolor spray can lacquer gray filler/primer all the time under dope.  Sparky uses primer in spray cans from NAPA (gets it by the case).  I have used several different PPG and DuPont automotive primers under dope and all have worked well.  Quarts or gallons of DuPont "Fill 'n' Sand", but I don't have the part number right now.  It works really well.

If its for a "blocking coat", then I use automotive lacquer or dope.

Big Bear