 The screw head screws, excuse me, going in so that they don't leak. The whole idea is that you're creating a completely. Oh, and it also protects the joists in the framing. Yeah, it's perfect. It's like the perfect waterproofing over the top of that. Yeah. So you're protecting your frame and you're getting a nice dry space below that. And in this case, you're getting a dry space below that and on the ground.