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- Tue Aug 15, 2017 2:46 pm
- Forum: Ask Our Pro's a Question
- Topic: High Altitude Windows??
- Replies: 2
- Views: 3515
High Altitude Windows??
5426.1 Question, I'm going to be installing a new 5' patio slider in a condo I own located in Mammoth Lakes, CA, elevation 8,200Ft. My window dealer (located at sea level) says I need to order my slider with the "High Altitude" option. This option doubles the price of the slider from $500 ...