Rugged and lightweight

Superior noise control

Flatline Barriers pre-cut kits provide the sound solution you've been looking for. Manufactured from dense butyl rubber and backed with a silver foil lining, these insulation and sound damping kits eliminate noise and vibration, creating a more enjoyable driving experience. Whether you need a shield from unwanted heat, a way to prevent unwanted noise from your roof, doors or trunk, or enhance the acoustics of your new sound system, these kits get the job done. Pre-punches accessory holes and sticky adhesive backing make installation hassle-free. Each product meets federal safety standards for flammability.