Replacement Windows Discussion Board Forum

I said that I'd report on the Kolbe and Kolbe double hung at the Chicago show. They claim a DP50 which is impressive. The aluminum is extruded on the sash and on the frame and they have a hidden jamb liner which has a wood veneer over the track. They don't have a standard Kynar finish but they offer...

Marvin's Infinity Double Hung can be made in that size and the U is .31

I sell Marvin in Chicago. Let me know if you want a quote.

Dean