Abstract: An interior wall is provided, including a frame including at least one footer, at least one header, at least one vertical frame member connecting at least one of the at least one footer to at least one of the at least one header, the frame having a first side and a second side, and defining an interior frame space. A first wallboard panel is fastened to the first side of the frame. At least one gypsum wallboard stud is secured in the interior frame space, being fastened to the first wallboard panel and being dimensioned to extend from the first side to the second side. A second wallboard panel is fastened to the second side of the frame and to the at least one gypsum wallboard stud for creating a continuous acoustic connection between the first wallboard panel and the second wallboard panel.

Abstract: A method of making a setting type compound by injecting an activator compound into a plaster compound wherein the activator compound tube is coaxial and within the plaster compound tube, each at the same flowrate, the same pressure and the same viscosity. The cross sectional transverse areas of an annulus containing the plaster compound and the hole in the annulus containing the activator compound are the same.