Inner Dash Insulator
SINGLE LAYER
The firewall absorber — first defense against powertrain noise.
In production: Subaru (US) · Hyundai / Kia (KR)
HANBOO SOLUTION / AUTOMOTIVE
Acoustic parts for
every zone of the vehicle
Interior, exterior and trunk — felt parts engineered for NVH performance, molded and trimmed on our own lines, shipped to programs in Korea and North America.
SEGMENTS INTERIOR · EXTERIOR · TRUNK
OEM GROUPS 8
SUPPLY KR PLANTS + US WAREHOUSE
Where our parts sit
Nine zones, one felt supply chain
ZONES 9
INTERIOR 1–4 · TRUNK 5–6 · EXTERIOR 7–9
PROGRAMS KR + US
SEDAN · 3D CUT-AWAY — POSITIONS INDICATIVE · DASHED = FAR SIDE
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Dash insulators firewall between engine bay and cabin INNER DASH · DUAL-DENSITY DASH Programs: Subaru Dash Inner (US) · Hyundai / Kia Dash Inner (KR)
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Tunnel & floor insulation floor pan, under the carpet TUNNEL INSULATOR · CARPET INSULATOR · INSULATION PAD Programs: FCA Carpet Insulator (US) · Hyundai / Kia Tunnel (KR)
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Insulation pads door & quarter panels BODY-PANEL ABSORBERS Programs: PK Tech lines
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Seat back / back shelf panels rear seat back RIGID FELT PANEL Programs: detail on request
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Package tray & trunk insulation parcel shelf / trunk ceiling RIGID TRAY · ABSORBER SET Programs: PK Tech lines
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Trunk systems trunk floor, walls & lid TRUNK MAT · SIDE TRIM · LID TRIM Programs: Tesla Trunk Mat (US) · Hyundai / Kia Trunk Trim (KR)
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Wheel arch liners front & rear wheel arches HYDROPHOBIC · HEAT-RESISTANT COMPOSITE · PATENT 10-2553370 Programs: Ford · Subaru (US)
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Under body & oil pan shields underbody / under the engine MOLDED FELT PANEL · POWERTRAIN NOISE COVER Programs: Hyundai / Kia Oil Pan (KR) · under body shield detail on request
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Air deflector front lower bumper AERODYNAMIC FELT PART Programs: Ford (US)
01 · Interior
Interior insulation
US PROGRAMS — SUBARU · FCA
KR PROGRAMS — HYUNDAI · KIA
Dual-Density Dash
DUAL LAYER · BARRIER + ABSORBER
Heavy barrier layer bonded to soft absorber for higher transmission loss.
In production: program detail on request
Tunnel Insulator
INNER / OUTER
Shaped felt over the transmission tunnel, inside and out.
In production: Hyundai / Kia (KR)
Floor Carpet & Carpet Insulator
MULTILAYER FELT · PATENT 10-2214761
Patented multilayer construction under the carpet — quiet floors, low weight.
In production: FCA Carpet Insulator (US)
Insulation Pad
BODY PANEL ABSORBER
Local absorbers applied where body panels ring.
In production: PK Tech lines
Seat Back / Back Shelf
RIGID FELT PANEL
Structural felt panels that replace heavier substrates.
In production: detail on request
02 · Exterior
Exterior shields & liners
US PROGRAMS — FORD · SUBARU
KR PROGRAMS — HYUNDAI · KIA
Wheel Arch Liner
HYDROPHOBIC · HEAT-RESISTANT · PATENT 10-2553370
In production: Ford · Subaru (US)
Under Body Shield
MOLDED FELT PANEL
In production: detail on request
Oil Pan Shield
POWERTRAIN NOISE COVER
In production: Hyundai / Kia (KR)
Air Deflector
AERODYNAMIC FELT PART
In production: Ford (US)
03 · Trunk
Trunk systems
US PROGRAMS — TESLA
KR PROGRAMS — HYUNDAI · KIA
Trunk Mat
DURABLE TOP FELT
In production: Tesla Trunk Mat (US)
Trunk Side & Lid Trim
SIDE TRIM · LID INNER
In production: Hyundai / Kia (KR)
Package Tray & Trunk Insulation
RIGID TRAY · ABSORBER SET
In production: PK Tech lines
Every part above is built from our own material families — weights, thicknesses and fiber blends are specified per program. See R&D & Testing for how constructions are validated.