Labels:bulletin board | hakham | sky OCR: The unit cost $3.00 may look inexpensive, but meet required holding strength the real cost much higher because requir rec units per panel. The lowest single unit cost was really almost four times the alternative! The difference on this small job thousands dollars! Compare The Costs Product used: $3. 00 $24.00 Per Panel On Holding strength 536 Ibs per panel The Roof In The Photo Alternative: S-5! ColorGard $6.89 Above: (for the same holding str ength) 108 pasn