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Sidewalls, rear wall, slideroom endwalls, and slideroom roof are all laminated construction with rigid foam insulation. Many others use soft fiberglass insulation in the rear wall and sliderooms that can settle over time and leave uninsulated air gaps.
The enclosed and heated underbelly features a layer of radiant foil insulation and the main floor adds an additional layer of insulation
The slideroom floors are also insulated with radiant foil. (R-24)*
A layer of fiberglass insulation and a layer or radiant foil insulation covers the full length of the roof.
Grand Design goes the extra mile by extending both the radiant foil and fiberglass insulation layers from the roof, and wraps them all the way around to the bottom of the front cap.
A high performance furnace delivers 35,000 BTUs
of heating power.
Imagine’s design has been put to the test in extreme temperatures ranging from a frigid 15 degrees to a scorching 100 degrees. Third party extreme testing showed that the Imagine remained functional and achieved very comfortable temperatures.
Every Grand Design RV is backed with a class leading 3-year limited structural warranty. By selecting suppliers with similar philosophies, many components used on our coaches also carry an extended warranty through the component manufacturer.