A roofing membrane, includes at least one support layer and a plurality of strips arranged in spaced-apart disposition at least on one side of the support layer and made of bituminous material and have a penetration depth between about 120 and 170 at a temperature of 50 C. In a preferred embodiment, the first door is connected to the second door and the first door and second door cooperate to form a space suitable for holding a decorative sheet between the doors, such that the decorative sheet may be viewed through the viewing portion. A pair of holes is provided in each insert for selective fit of a pair of memory strands that arch above a highway of the strings. The holder is injection molded to include a pair of spaced apart posts formed as an integral part of the arms, thereby forming a positive mount for the tape in the holder.