Cap End Sealing – Seal ends of Cap

Cap End Sealing – To seal ends of Cap fill with silicone. Red shows where silicone is to go.
Do not overlap Cap over the U-Profile, or a gap will appear and water will enter.

Minimum 1/12 (5º) roof slope required.      • Install Sheets with ribs vertical on walls and slope of roof.

Not crucial in vertical applications, unless subject to direct rain.

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We highly recommend Dow 999 Plastic Compatible Silicone

Cap End Sealing

See 8-25mm Polycarbonate, some 20 year &  Base-Cap Install System for Multiwall Polycarbonate

Polycarbonate Greenhouse and Sunroom Building Supplies