Aqueous coating composition for forming thermal insulation coating for walls and reflective thermal insulation coating system for walls containing the thermal insulation coating

A reflective thermal insulation coating system for walls, comprising:

• a thermal insulation coating formed from an aqueous coating composition that comprises, based on total weight of the aqueous coating composition:
• at least 65 wt % of an aqueous dispersion of polymer particles;
• at least 5 wt % of expanded organic polymer micro-beads;
• at least 10 wt % of water;
• 0 to 5 wt % of an aerogel;
• and
• 0 to 15 wt % of additional additives, comprising thickeners, dispersants, wetting agents, defoamers, pH adjustors, film-forming aids, hydrophobic agents, coupling agents, bactericides, and antifungal agents or any combination thereof,
• wherein the aqueous coating composition is substantially free of inorganic mineral fillers.

An aqueous coating composition for forming a thermal insulation coating for walls, comprising, based on total weight of the aqueous coating composition:

• at least 65 wt % of an aqueous dispersion of polymer particles;
• 5 wt % to 20 wt % of expanded organic polymer micro-beads;
• at least 10 wt % of water;
• 0 to 5 wt % of an aerogel;
• and
• 0 to 15 wt % of additional additives, comprising thickeners, dispersants, wetting agents, defoamers, pH adjustors, film-forming aids, hydrophobic agents, coupling agents, bactericides, and antifungal agents or any combination thereof,
• wherein the aqueous coating composition is substantially free of inorganic mineral fillers, and wherein the aqueous coating composition has a solid content of 70 wt % or higher.