How-to-flat-roof-flashing, flat roof flashing is a very important component of a roof and should never be ignored. essentially, flat roof flashing is strips of metal that are bent at a 90-degree angle. their main purpose is to act as a defense against rain, snow, ice, moisture and even some debris.. The clearline alu-based flashing is a quick and efficient flashing suitable for tile and slate roofs. visit our clearline alu-based flashing page, or click on the picture for more details. #n#clearline epdm flashings. for profiled, flat or corrugated roofs we offer these multi-purpose clearline epdm flashings. these are designed for maximum ..., pipe collars & pipe flashing roofing superstore is proud to bring you a wide selection of pipe collars and durable flashing products to finish your roofing project to the highest standards. roof pipe flashing is designed to create a watertight and weatherproof seal around the pipe, ensuring there are no potential gaps for water ingress, which can lead to roof damage.