This is cool (ha) but won’t its reflectance be substantially diminished the moment it gets dirty? Feels like that might end up being an issue if you’re aiming t

This is cool (ha) but won’t its reflectance be substantially diminished the moment it gets dirty? Feels like that might end up being an issue if you’re aiming to paint a roof with this. Still likely better than painting a roof with anything else, I suppose.