1 BARATTOLO DA 5 KG AERO-Stone This is a solvent free sound damping paste to minimize vibration and resonances in vehicle body panels, on wood, plastics or fiberglass parts. Can be applied via brush or spread with a squeegee in 2-3 mm thickness. Cures in about 5-6 hours by room temperature (calculate about 2 kilos per door). Water resistant and hardly inflammable.