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 Callis was born on June 4, 1971 in London, England. He is an actor and writer, known for Battlestar Galactica (2004), Bridget Jones's Diary (2001) and Bridget Jones: The Edge of Reason (2004).