Fastening the Field shingle to the roof deck with 4 nails per shingle instead of 6.
https://idealinsulation.com/wp-content/uploads/2016/12/ideal_logo.png00christianhttps://idealinsulation.com/wp-content/uploads/2016/12/ideal_logo.pngchristian2020-11-20 17:56:112020-11-20 18:10:154 nail
