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Castle Stone
PPG1128-7 · Aqua Guard Undercoat
Castle Stone is a deeply muted and sophisticated shade. It holds the subtle richness of natural stone mixed with forest canopy tones, giving it an earthy depth without being heavy. It reads beautifully in both bright daylight and soft evening light, offering a grounding presence that feels timeless and enveloping.
This color evokes feelings of quiet permanence and secure elegance. It whispers of rustic luxury, reminiscent of historic manor halls or deep woodland retreats. It promotes tranquility, stability, and a sense of grounded comfort, making any room feel like a serene sanctuary.
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About Aqua Guard Undercoat
Aqua Guard Undercoat is a water-based primer and undercoat for exterior wood, offering excellent adhesion to bare timber and previously painted surfaces while blocking resinous staining. Used as directed, it supports up to 8 years' life expectancy for the finished system.
It's designed as the first coat beneath Aqua Guard Durable Gloss or Satin for a complete, weather-ready exterior trim system.
- Excellent adhesion to bare or painted timber
- Blocks resinous timber staining
- Supports up to 8 years' system life expectancy
- For exterior wood