Discussion Board Forum for Vinyl Windows

All U Values noted on my last post are Full Unit U Values. The spacer is called I-Core and it is a structural non-metalic spacer. The air infiltration on the double hung is .16 however that was on a 54 1/2" x 80" test size.

Good questions by masterext... 1. ecoSmart by Great Lakes Window has a true welded sloped sill, one piece, no weep holes. 2. The handles are die cast aluminum with a powder coat finish but are also available in satin chrome, oil rubbed, brass as well as white, tan, Pontiac gold and earthtone. 3. Air...