DEKS Fast Flash is ideal for any application requiring a quick and secure flashing solution. DEKS Fast Flash can be installed on roofs with a slope of min 5° and on almost all roof materials. DEKS Fast Flash is environmentally friendly and easy to install as the reverse is self-adhesive, as well as being flexible and very workable. If painting is required or where water is likely to travel from copper or bitumen onto DEKS Fast Flash use 100% acrylic low sheen exterior paint.