At GTC we manufacture Triple Glazed Windows, using the highest quality and most sturdy materials. We use UPVC material, able to handle extreme heat and cold temperature from -50 to 30C in temperature. What separates GTC from competitors is we provide specialist windows that protect against argon. At GTC we create customizable designs at low costs while guaranteeing functionality and efficiency. We create rugged and efficient items, without settling on design and customizability.