Wednesday, April 24, 2019

Chapter 25 Finishing Primer selection

I've looked at a few suggestions and have decided to use the SPI epoxy primer (numbers below) on the exterior and parts of the interior.


SPI (Southern Polyurethane)
6600 White Epoxy Primer
6700 Activator (1:1)

700 (Wax Grease Remover)

The gun used by others is the HF 94572 kit (two guns).  Gravity feed.

One of my neighbors used this, but several current builders are using Southern Polyurethane:
PPG DP Epoxy Primer
PPG Primer Surfacer
PPG Deltron or Concept top coat.



Driveway paint job:
https://www.youtube.com/watch?v=Lw0ObOdWnRE
Masking paper designed for paint.
Guide coat/block sand/skim coat.  80 grit cross hatch pattern.  Hit one more time with guide coat to identify highs and lows.  Use it to identify the removal of previous grit sanding marks.  Step up from 80 to 120 to 180 to 220 up to 320.
Identify lows that need a quick skim coat and hit those areas.  Don't worry about sand through areas.
They'll be covered with epoxy primer.
Use tack cloth between each coating.





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