迈伦:我们先把天花板的这部分挂起来。在我们把任何粘合剂放在框架上之前，我们想要得到第一个面板的测量。这样就不会弄脏我们的卷尺。我们已经测量并切割了面板。现在我要把干墙粘合剂涂上去。我在每根椽子上都涂上了干墙胶，大约3/8英寸厚的胶珠，稍微过了接缝处，一直到底板这里。干墙胶粘剂实际上增加了一点抗剪强度，减少了我的干墙的紧固弹出，但它也将有助于密封这些海湾，所以它将减少空气泄漏可能从一个海湾到下一个。现在我们要轻松地上升，在我们把它推到天花板上之前，我要试着把它放在这个角落里。现在靠在天花板上。我们让它慢慢滑下来。 Justin: When placing the sheets, be careful not to smear the caulk or adhesive too much. The framing is only an inch and a half wide, so smearing it can seriously compromise the integrity of the air barrier. Myron: You’ll notice how the adhesive is actually beyond the seam. I wanted that, because I wanted to make sure that I had adhesive all the way to this edge, because that makes a better air barrier. Justin, let’s get ready to measure the next sheet. Justin: Floating the butt seams allows faster drywall hanging and cleaner seams because you can use a recessed seam backer to pull the butt ends back where mud would otherwise build up. Myron: I’ve been able to apply adhesive to each rafter, but at this little gap between the…