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S3-Door Solution PRO
Technical Highlights
- Aluminiumfolie für massive Steifigkeit, Größe: 500x370 mm.
- Alubutyl 3,0 mm, Resonanzund Vibrationseliminierung.
- S2-Softflex absorbiert Hochleistungsschall.
- More technical details
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S3-Door Solution PRO by Four Connect
The S3 Door Solution PRO from Four Connect is a high-quality insulation solution for vehicle doors. This extensive set provides a 5-stage solution for professional noise and thermal insulation. The set includes self-adhesive S2 basefoils for massive stiffness increase and S3 Basemat aluminum butyl mats that eliminate resonances. S2 TopFlex foam provides thermal insulation, while S2 Softflex absorbers reduce wind and driving noises. The self-adhesive S1 fabric tape prevents annoying rattling noises between the door components. The PRO solution is particularly characterized by the premium thickness of the materials and the maximization of bass.
Set Contents & Components: This high-end kit offers a comprehensive 5-stage solution for professional insulation of two vehicle doors:
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2x S2 Basefoil (reinforcement):
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Self-adhesive aluminum special foil for sealing large service openings in the door sheet. Significantly increases stiffness.
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8x S3 Basemat (aluminum butyl):
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Thickness: 3.0 mm (extra strong)
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Function: Eliminates resonances and vibrations on the sheet for maximum stability.
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4x S2 TopFlex (insulation):
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High-quality, closed-cell foam.
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Function: Thermal insulation and effective soundproofing (applied over the base mat).
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2x S2 Softflex (sound absorber):
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High-performance absorption material.
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Function: Reduces wind and driving noises (applied behind the door panel).
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2.0 m S1 fabric tape (felt tape):
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Self-adhesive fabric tape.
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Function: Prevents rattling between plastic parts, dashboard, and door frame.
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Dimensions & Installation:
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Size of the mats: 500 x 370 mm per piece.
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Application: Specifically designed for interior and exterior sheets as well as door panels.
Advantages of the PRO solution:
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Maximum Bass: The S2 basefoil turns the door into an almost closed speaker enclosure, significantly increasing sound pressure in the low-frequency range.
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Noise Elimination: The S1 fabric tape eliminates even the finest crackling noises from plastic trims.
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Premium Thickness: With 3.0 mm aluminum butyl, this set offers an even higher damping rate than standard kits.

