Pre-formed, this PVC Wall Flashing fits perfectly over the Vistalux PVC corrugated sheet and is easily flashed over to create a waterproof seal. Provides a quick way of flashing a corrugated sheet to the wall. The profile matches the 3-inch sheet, avoiding the need to mould flash band over corrugations. It provides a barrier against water getting into the building through the wall. To suit 3" ASB Profile.