dear sir/madam
i live in iran.in my country over than 90% of our building windows are single frame glass and it causes to waste a lots of energy.i wonder if there is a way to replacde single iron framed glasses to double glass without removing the frame and just with adding one more glass to the previous one.
regards,
ali
i live in iran.in my country over than 90% of our building windows are single frame glass and it causes to waste a lots of energy.i wonder if there is a way to replacde single iron framed glasses to double glass without removing the frame and just with adding one more glass to the previous one.
regards,
ali