Important Changes of Polyisocyanurae R-Values to Take Effect January 1, 2014

The Polyisocyanurate Insulation Manufacturers Association (PIMA) recently reported changes in determining the R-Value for polyiso. An update to ASTM C 1289-11 has revised the certification of Long Term... [Read More]

By Steven on Saturday, November 9th 2013 @ 1:04 PM