Strong polyester film laminated and encapsulating a heavy, corrosion resistant steel wire helix, forms the inner core and supports a think blanket of fiberglass insulation. The outer vapor barrier is a bi-directional reinforced metallized vapor barrier that will not unravel. The...
Strong polyester film laminated and encapsulating a heavy, corrosion resistant steel wire helix, forms the inner. The smooth airtight inner core of polyester is designed for low to medium pressure systems. Oversized for quick installation over...