Rubber flat roofing used in many commercial buildings is prone to a number of problems. One common issue for this type of roof is shrinkage. EPDM and modified bitumen roofs, in particular, can have some very visible shrinkage issues that could compromise the structure and performance of the whole roofing system. While new developments in the way EPDM is made have minimized the effects of shrinking somewhat, this problem remains prevalent to this day.
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