They did however insist that the rubber is a good choice for a low slope shed dormer (without mentioning the poor low slope roof ventilation and ice dam prevention associated with shed dormers). They also mentioned that rubber is a good choice for a flat roof decks and patios....
the membrane to relax will result in the roof’s surface having a smoother appearance. This is especially true for sheets that have folds or creases. The surface on or against which adhesive is to be applied shall be clean, smooth, dry, free of fi ns, sharp edges, ...