 a home, whether it's a wood siding or whether it's brick, just breaking a little bit off. It's almost like Play-Doh, right? I mean, it molds like Play-Doh, and you can push it in there. It keeps out insects, cold temperatures, hot temperatures, and yeah, rather than using a can of expanding foam, this is pretty easy to use, and you don't have to buy a lot of it. Yeah, and then yesterday you were talking about roofing and contractors, and