What Is The Least Expensive Roof Covering To Mount

http://imfl.sci.pfu.edu.ru/forum/index.php?action=profile;area=summary;u=818871

Larger three-tabbed roof shingles and also laminated shingles need four, or in some cases 5, bundles to cover a square. There are 29 standard-sized shingles (12 in when roof shingles come 3 packages to the square.