• March


    • 1113
    • 0

    Replacement Windows Denver

    Window Frames For very old windows the frame and glazing had almost the same R-value (about R-1). Modern glass technology has improved the insulating performance (R-value) of the glazing itself (Typically R-3 to 8). What the frame of the window is made of has come to dominate how well the window performs overall. Modern window

CALL: (720) 837-2113

© Copyright 2017 Kraftwork Design | LOGIN | Web Design / SEO: Denver Web Guy