I've used Titebond II for years as an exterior coat for my canes, and a few other project. The canes ride in the bed of my truck when I go out, rain, snow, sunshine, and it has held up well. I thin 50/50 with water. Right now I put a test sign with my house number at the end of my drive, it is a printed sign, mounted to several layers of cardboard, coated with a couple of coats of Titebond II again. Checked it a few days ago, and so far that is holding up well. So if you want to use it inside your sparrow house, I would think no problems.
"It ain't what you're told, it's what you know." - Granny Weatherwax
Fawkahwe tribal police SWAT Team
Some days, the supply of available curse words is insufficient to meet my demands.
.....Call me a craftsman, artisan, or artistic, and I will accept that. Call me an artist and you will likely get a quite rude comment in return. I am not a @#$%ing artist.