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$4"$ Brick R$=0\mathrm{.}62$ Hr$-$ft$2-$F$/$Btu

$2."$ Air gap $R=2Hr-$ft$2-$F$/$Btu

$3\mathrm{.}5"$ Fiberglass Batt Insulation $R=13Hr-ft2-\frac{F}{B}tu$

$5/8"$ GWB R$=0\mathrm{.}74$ Hr$-$ft$2-$F$/$Btu

$3/4"$ OSB R$=0\mathrm{.}94$ Hr$-$ft$2-$F$/$Btu

fo $=0\mathrm{.}17Hr-ft2-\frac{F}{B}tu$

Calculate the wall section Overall Heat Transfer coefficient?

The wall area $=1500Ft2$ and the for the delta TETD Use table $3\mathrm{.}7$ for an East wall of Medium weight at $4$:$00$ pm$.$ Calculate heat gain? Show all calcualtions.

TYPICAL WALL SECTION NTS