Building Science has brought us low-e glass, super insulated walls, sealed crawlspaces ... and ... now ... the ultimate in automatic window insulation: The Bead Wall. It injects tiny beads of foam into the space between a pair of windows. The insulation v
![Two needle flat stitch beading [filling in] #2](https://cdn.mycrafts.com/i/1/9/53/two-needle-flat-stitch-beading-kY3N-m.jpg)
