... 40db wood windows and doors - solid wood windows with safety glass ( AS2208) Detailed specifications: Aluminum profilehigh quality aluminum alloy , better warm ... , teak, pine, larch, etc.Glassdouble toughened glass, triple insulating glass, Low-E glass, coated glass, frosted glass, shot-proof glass, electric shutters glass, etc....HardwareGerman hardware: Roto, Siegenia ...