Irex, Torch-Applied or Type IV Asphalt

Irex 40

High-melt, modified asphalt sheet, random glass mat-reinforced, which is used as the first ply of Veral composite, lapped minimum 3 inches side and end.
Veral roofing on convention center

Veral Roofing Products

Veral sheets are the finish-ply of Siplast Veral roof systems and are preferably applied by torching but can be applied in approved Type IV asphalt. Used in most roof decks with drainage, they can also be used as a flashing sheet.

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