Sunrise Window and Door Systems Inc. offers the Millennia Single Hung window constructed from a 4" PVC frame available in four standard colours. Custom achecectural colours are also avalible upon request. The window is suited for both 2x4 & 2x6 construction and can except wood extention for a wall depth of up to 12". The Millennia's hardware consists of an aluminum casted cam lock as well as stailnless steel spring balances on the operational segment of the single hung. Itís glazing is dual sealed thermally insulated glass in a number of options including Low E and Low E2rd ARGON.