Ice & water barrier

Every manufacturer will have their own Ice & water barrier. This I&WB is an underlayment with an adhesive backing that seals to the roof deck. This I&W was made specially for areas like eaves( The first 3' of the roof closest to the eavestroughs)& valleys where ice damning and water penetration have potential. Use is not limited to these areas, and product can also be used to waterproof walls, chimneys, skylights and other protrusions when properly layered from the bottom, then sides, and top in a watershed conjunction.