IKO ProTecto Standard Ice & Water Protector is an economical modified bitumen roll roofing product with a self-adhesive backing protected by a silicone-treated release sheet, which is easily removed during installation. It is used for waterproofing under shingled roofs preventing water penetration due to ice dams or wind-driven rain. It can also be used as an underlayment around chimneys, dormers, vent stacks, skylights and other roof-top structures or apertures, around doors and windows.