FF1 Panel – is an economical snap-together panel with a 1” standing seam for use over a solid deck. Panels are installed by using a pancake fastener in the panel’s fastener flange. Available in both 26 ga. SMP and 24 ga. Kynar with widths ranging from 12” to 20”. Eight stocked colors for 16” wide panels, in 26 ga. SMP. Minimum recommended slope is 3:12. Pan striations required for all 26 ga. panels.