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See my youtube... Airgapped reflectix closest to van metal, then spray foamed foamular, cavities filled in with polyester fiber, floor has radiant barrier with air gap too, I made a video on it
Celotex Boards, Recycled Plastic Wool Insulation (inside the gaps)
In the sections where the fiberglass shell is curved 1/2” or 1” craft foam was used to insulate the cabin. Weld wood glue was used to hold the foam to the walls.
Hardboard with acrylic coating.
Self-adhesive 4mm cork underlay to minimize thermal bridges and manage acoustics. Insulated with 100mm glass wool and vapor barrier. Then ply.
The walls were filled with 1" hard foam and held in place with expansion foam. If I were to do this again I would elect to use spray foam instead, the time savings alone would be worth it. The paneling is 1/4" plywood with a good face.
Armaflex 13mm self adhesive insulation, stuck straight to entire metal inside, very easy to install. Wooden batons screwed to frame with cheapest available laminate wood flooring on walls and ceiling
9mm marine ply and spruce cladding painted with external marine white satin paint.
Fibreglass and foam sheets
Ceiling is foam board.
We've installed 3M Thinsulate SM600L in the body. We haven't decided on the walls yet but are probably using some type of wood paneling.
2 layers reflection insulation, 3in pink house insulation, lines with foam backed vinyl
None. I am mobile and move with the weather.
Polyisocyanurate Laminated Sheets
We made sure to cover every square inch possible with reflectix first, and R19 anywhere else we could.
1" pink XPS lined with carpet, plywood and spray-foam insulation.
1"x8"x12' pine ship lap-painted white
I need to say I SUPER lucked out with this wood. It's reclaimed floorboards from a house here in Hyde Park in Austin, from 1941.
1/4-1/2" Birch plywood and timber bracing studs. Reflectix and foam board insulation on window spaces.
Noico Sound deadening on panels, 2" 3m Thinsulate insulation, Shiplap screwed to factory metal supports. Side popouts for sleeping from Flarespace, insulated with 1/2" foam and skinned in carpet
Fiber glass Leer 122 shell
Tyvek Thermawrap plus spray adhesive to mount the Thermawrap to the metal walls of the Sprinter, white Tyvek scrim against the metal, and the white fluffy material facing inside the Sprinter.
Reflective bubble insulation under 9mm ply
1 3/4″ of insulation, we are using polyiso spray foam, its R6.6 per inch, that will give us about R11.5 in the walls. The spray foam is also a very good vapor barrier, so we get a bonus there too.
I was very upset with metal walls in my van - they looks terrible. Scratches and random holes all around. But then i found out you can cover this panels with some glue end eco-leather material for cheap and easy!
Stained plywood over foam board with reflective layer. Plus spray foam insulation.
4 Layers of Insulation and Sound Deadening (Spray Foam, Wool/Denim, ESP Low-E EZ Cool Professional Car Insulation, Polysio Rigid Foam)
Rattle Trap, insulation, then timber boards painted white. Home slicker behind. Helps air circulate behind the insulation and prevents mold.
Side windows all have a layer of reflectix and a layer of styrofoam covered with paneling.
Foil lined bubble wrap glued to van skin. Then 25mm foil lined polystyrene board. Spaces in between filled with lambs wool insulation. More foil bubble wrap, then 9mm ply.