I am a supplier and have over 2000 sq ft of brand new Knauf fiberglass insulation batts for
floor [R19/30]
walls [R-13/19/21]
attic [R-30/38]
Go to my website to get a quote www.bluesealbuildingsupply.com or email with any questions. My prices are 20%-27 less than what you will find on the lowes and home depot websites.