... imported German ROTO, SIEGWNIA. Product FeaturesAir-proof, Water-proof, Sound Insulation, Heat Insulation, Thermal Insulation, Anti-agingAluminum Profile38 Series, 50 Series, 53 Series, 70 ... rubber sealing strip, black color, good qualityPerformance ParametersSound Insulation, Water Resistance, Wind Pressure Resistance, Air Permeation ResistancePackingIron rack + stretch film + waterproof paper, Foam ...