It reminds me especially of my practical training on building site, where I had to help sealing a basement against water... The paint you use equals a bit in color and texture.
But it simply belongs to Easter and I have learned to like it, especially after visiting Ravintola Juuri last year with my cousin and his girlfriend. Amongst other delicious traditional food, they served mämmi with whip cream and blueberries. So if you you are sceptic but also curious try it this way!