Insulation level are specified by R-Value. R-Value is a measure of insulationâs ability to resist heat traveling through it.
Mini Bio (1). James Bolam was born on June 16, 1935 in Sunderland, Tyne-and-Wear, England. He is an actor, known for Grandpa in My Pocket (2009), New Tricks (2003) and When the Boat Comes In (1976). He is married to Susan Jameson.
James Bolam is the actor of Jack Halford in New Tricks. 1  James Bolam, apparently, was more than happy to return as a ghost cameo for Amanda Redman 's final episode.