Reasons to use Lapseal tape in PVC foam
The foam tape used as a “weather strip” on top of one metal roof sheet when another is laid over it. They are typically fitted across the full width of the sheet, often with 2 strips – one approximately 50mm below the top of the bottom sheet, and the other approximately 25mm above the bottom of the overlapping sheet.
(If using polycarbonate roof sheets our PE Lap seal tape should be used)
Reasons to use Back channel tape in PVC foam
The foam tape is fitted into a “C-section” channel mounted on a wall, into which sheets of metal roofing are pushed in at a slight angle. This is typically used when they are fitted under a gutter in awnings and patios. The foam does not hold water, and will compress when the sheets are pushed into it, to create a watertight seal, preventing rain from blowing up the sheets and running down the wall.
(If using polycarbonate roof sheets our PE Back channel tape should be used)
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