Abstract: The present document describes a protective wrapper for a roll having two ends and a length defining a distance between the two ends, the protective wrapper comprising: first one layer of paper material having two opposed edges and an edge strip at at least one of the two opposed edges of the first layer of paper material, the edge strip comprises one and only one layer of the paper material and the edge strip is for being inwardly crimped against one of the two ends; and a layer of protective material superposed to the first layer of paper material, the layer of protective material not overlapping the edge strip; wherein the first layer of paper material has a width greater than the distance between the two ends of the roll.

Abstract: There is described a paper roll having an end, the poly-coated roll header comprising: a linerboard base having an inner surface; and a coating of a polypropylene mixed with a low density polyethylene applied to at least a portion of the inner surface of the linerboard base, wherein once applied to the end of the paper roll, the poly-coated roll header protects the end of the paper roll against the elements. There is also described a method for wrapping a paper roll having two ends and a length, the method comprising: installing a coated linerboard, previously coated with a polypropylene mixed with a low density polyethylene, at one of the two ends of the paper roll, thereby providing protection against the elements at the one of the two ends of the paper roll.

Abstract: The present document describes a slip resistant sheet material for roofing comprising a closed-weave woven comprising yarns of a first gauge and yarns of a second gauge greater than the first gauge. The yarns of the second gauge are interspersed in the closed-weave woven at a given interval with the yarns of the first gauge.