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If I'm going to use a Grain Frame, I usually prepaint at least the primer coat. But I prefer to use high tack sand blast resist and blast raw foam, especially without a grain. As you can see from Wayne's pictures, some primer was left after the initial blast. If you want as flat a background as possible you need to blast raw foam. It's almost impossible to get a perfectly even coat of paint on the background that will blast evenly.
-------------------- Dave Sherby "Sandman" SherWood Sign & Graphic Design Crystal Falls, MI 49920 906-875-6201 sherwoodsign@sbcglobal.net Posts: 5397 | From: Crystal Falls, MI USA | Registered: Apr 1999
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That small amount was dusted off with a couple of short, quick hits and it was gone, and the end result was very even and flat. One of the reasons is that I first roll on a thin coat and then spray the FSC88 primer on. The other reason is that I keep my nozzle moving quickly. It's all in the technique.
-------------------- Wayne Webb Webb Signworks Chipley, FL 850.638.9329 wayne@webbsignworks.com Posts: 7404 | From: Chipley,Florida,United States | Registered: Oct 1999
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Well Wayne, I may have learned something new. I've never tried spraying the primer on. I know it won't work rolling or brushing. It's just impossible to get it even enough. Thanks for the tip.
-------------------- Dave Sherby "Sandman" SherWood Sign & Graphic Design Crystal Falls, MI 49920 906-875-6201 sherwoodsign@sbcglobal.net Posts: 5397 | From: Crystal Falls, MI USA | Registered: Apr 1999
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Always,always,always rinse with a blast from the water hose. Blowing with compressed air will not get the dust off before placing resist or after blasting. Water will.
-------------------- John Byrd Ball Ground, Georgia 770-735-6874 http://johnbyrddesign.com so happy I gotta sit on both my hands to keep from wavin' at everybody! Posts: 741 | From: Ball Ground, Georgia, USA | Registered: May 1999
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