FOUR S2-Door Solution – door soundproofing kit for 2 doors

FOUR S2-Door Solution – complete sound deadening kit for car doors

The S2-Door Solution is a high-quality kit featuring three different sound deadening materials, designed to effectively dampen two car doors. The package includes everything needed to eliminate resonance from the door panel, provide thermal insulation, and install absorption behind the door trim.

Package Contents

• 8 pcs S2-BaseMat – 2.5 mm aluminum butyl mat (1.48 m²) – dampens door panel resonance and stiffens the panel
• 2 pcs S2-TopFlex 6 – 6 mm closed-cell foam (0.37 m²) – thermal and acoustic insulation over S2-BaseMat
• 4 pcs S2-SoftFlex 7 – 7 mm absorbing porous foam (0.74 m²) – installed behind the door trim to eliminate echo

Installation Order

1. Adhere S2-BaseMat to the door panel – reduces vibration and stiffens the panel
2. Adhere S2-TopFlex 6 to the S2-BaseMat – enhances damping and insulates heat
3. Adhere S2-SoftFlex 7 behind the door trim – absorbs sound and eliminates echo