Practical Guide
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Colad Anti-Drumming Sheets 4050 – Professional-Grade Sound Insulation
The Colad Self-Adhesive Anti-Drumming Sheets (Art. No. 4050) provide effective reduction of noise and vibrations inside vehicles. Made of heat-resistant bitumen, these sheets are designed for professional use in car doors, roofs, trunks, and floor panels — ensuring a quieter and more refined driving experience.
Product Overview
| Property | Value / Description |
|---|---|
| Material | 100% Bitumen, heat resistant |
| Dimensions | 250 × 500 mm |
| Thickness | 2.2 mm |
| Application Temperature | Minimum 15 °C (reference value) |
| Packaging | 8 sheets per box |
✔️ Noise Reduction
Effectively dampens drumming and vibration noises
Effectively dampens drumming and vibration noises
🎨 Repaintable
Remove the transparent film before painting
Remove the transparent film before painting
🔥 Heat Resistant
Stable performance even in high-temperature areas
Stable performance even in high-temperature areas
Pro Tip: Ensure the surface is free of dust, grease, and silicone. Slightly warm up the sheet (around 40 °C) before application to enhance adhesion.
Recommended Settings (Reference Values)
- Application temperature: at least 15 °C
- Surface: dry and clean metal substrate
- Pressure: apply evenly from the center outward
- Drying time before painting: approx. 30 min
- Remove protective film before painting
Professional Workflow
- Clean the surface area (use a degreaser)
- Cut the sheet to the required size
- Peel off the release liner
- Position and press the sheet evenly
- Optionally warm up the sheet for better adhesion
- Remove the protective film if painting is required
- Repaint or seal the treated area as needed
Troubleshooting
1. Poor adhesion: Check surface cleanliness and temperature; reapply pressure or heat gently.
2. Air bubbles: Roll out from the center; apply light heat if needed.
3. Noise persists: Expand the coverage area or use double layers.
4. Paint adhesion issues: Fully remove film and degrease before painting.
Maintenance & Care
- Inspect regularly, especially in high-heat zones
- Avoid using aggressive solvents for cleaning
- Replace damaged sheets immediately
- Check paint adhesion after refinishing
- Apply only on metal surfaces
FAQ
- Where can I use these sheets? On inner panels of doors, roofs, trunk, and floor areas.
- Can I paint over them? Yes, after removing the transparent film.
- How thick is the material? 2.2 mm (reference value).
- How many sheets per box? 8 sheets (250×500 mm each).
- Minimum working temperature? 15 °C ambient temperature.
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