I have these windows in my house...30 of them.. i ...

I have these windows in my house...30 of them.. i have had them for around 15-20 years and they are rotting away. Some have separated from the side sash and you can see outside. They are also VERY drafty (it is windy outside and my hair is blowing inside from the draft). Do your research before buying these windows or do yourself a favor and just don't buy them..