Fixing a fogged window See also: Each window in the RV, other then the front windshield and the bedroom rear window, has two double paned portions, one slides open and one is fixed. Then there is a bug screen. Every window of this type is double paned and are made with an aluminum channel between the panes

Butyl rubber a magic repair substance

Butyl rubber is a synthetic rubber, a copolymer of isobutylene with isoprene. The abbreviation IIR stands for Isobutylene Isoprene Rubber. Polyisobutylene, also known as “PIB” or polyisobutene,n, is the homopolymer of isobutylene, or 2-methyl-1-propene, on which butyl rubber is based. Butyl rubber is produced by polymerization of about 98% of isobutylene with about 2% of