Before revision: In this method, wooden panels were nailed over the beams and joists of the house frame, and a heavy, loosely woven cloth, called scrim, was then stapled or tacked over the top of this.
After revision: In this method, wooden panels were nailed over a beams and joists of the house frame, and a heavy, loosely woven cloth, called scrim, was then stapled or tacked over the top of this.