Show all work for full credit. $[4$ points each$]$

Determine the R value and U $-$factor for the following building component assemblies. Assume winter conditions. You HAVE to use the attached Table for R values.

Exterior Wall

Component R$-$Value

$3/4"$ Plywood

$1\mathrm{.}5"$ Air Space $($Horizontal direction$)$

$51/4"$ Fiberglass Batt

$1/2"$ Gypsum Board

Inside Air Film

Outside Air Film

$R_{\text{t}\text{o}\text{t}\text{a}\text{l}}$

U$-$factor $3$ decimals round up

Floor

Component

R$-$Value

Carpet $($with fibrous Pad$)$

$1/2"$ Plywood

$3\mathrm{.}5"$ Air Space $($up$)$

Inside Air Film $($nonreflective$)$ up

Basement ceiling Air Film down

$R_{\text{t}\text{o}\text{t}\text{a}\text{l}}$

U$-$factor $3$ decimals round up

Roof and Ceiling $45-$degree slope

Component

R$-$Value $($Max$)$

$1/2"$ Gypsum Board

$51/2"$ Fiberglass Blown $($attic$)$ Insulation max

value

Sheathing, $5/8"$ plywood

Shingles, Wood

Outside Air Film

Inside Air Film ceiling up

$R_{\text{t}\text{o}\text{t}\text{a}\text{l}}$

U$-$factor $3$ decimals round u