Strong polyester film laminated and encapsulating a heavy, corrosion resistant steel wire helix, forms the inner core. And supports a thick blanket of fiberglass insulation. The outer vapor barrier is a new bi-directional reinforced metalized vapor barrier which will not unravel.
- Reduced total installation cost - fast, economical installation
- Meets UL 181 and NFPA 90A-90B fire codes
- Superior insulation and thermal performance
- Easily shaped to fit over all inlets and quickly connects to fast fittings
- Unique construction will not unravel when cut
- Smooth air tight inner core of polyester is designed for low to medium pressure systems