Vacuum Panels and Gel: Cutting Mass Without Losing Hold Time
VIP boxes cut gel mass 30-40 percent, not 60. Why a punctured panel looks fine, how edges halve the R-value, and when the payback actually works.
VIP boxes cut gel mass 30-40 percent, not 60. Why a punctured panel looks fine, how edges halve the R-value, and when the payback actually works.
