ROOFING SHINGLES, KITS THEROF, ROOFING SYSTEMS INCLUDING THEM, AND METHODS FOR INSTALLING THEM

摘要

The present disclosure relates more particularly to kits and systems ofroofing shingles that canprovide a variety of shingle coverage thicknesses and patterns whilesimplifying design andinstallation. In one aspect, the disclosure provides a roofing systemcomprising a first array ofoverlapping first shingles disposed on a roof. The system includes a firstnumber, n=2, ofoverlapping horizontally-extending courses of linearly arranged firstshingles, with horizontal andvertical offsets between courses. Each first shingle includes a top headlapportion extendingfrom the first lateral edge to the second lateral edge and a bottom tabportion formed of aplurality of tabs extending from the headlap portion toward the bottom edge ofthe first shingle,the bottom tab portion having an open area that is at least 20% of the totalarea of the bottomtab portion.