POROUS TYPE

Drapes: cotton 14 oz/sq yd

draped to 7/8 area

0.03

0.12

0.15

0.27

0.37

0.42

Mankovsky, ref 9-4

draped to 3/4 area

0.04

0.23

0.40

0.57

0.53

0.40

Mankovsky, ref 9-4

draped to 1/2 area

0.07

0.37

0.49

0.81

0.65

0.54

Mankovsky, ref 9-4

Drapes: medium velour, 14 oz/sq yd

draped to 1/2 area

0.07

0.31

0.49

0.75

0.70

0.60

Mankovsky, ref 9-4

Drapes: heavy velour, 18 oz/sq yd

draped to 1/2 area

0.14

0.35

0.55

0.72

0.70

0.65

Compendium, ref 9-1

Carpet: heavy on concrete

0.02

0.06

0.14

0.37

0.60

0.65

Compendium, ref 9-1

Carpet: heavy on 40 oz hair felt

0.08

0.24

0.57

0.69

0.71

0.73

Compendium, ref 9-1

Carpet: heavy with latex backing on foam or 40 oz hair felt

0.08

0.27

0.39

0.34

0.48

0.63

Compendium, ref 9-1

Carpet: indoor/ outdoor

0.01

0.05

0.10

0.20

0.45

0.65

Seikman, ref 9-17

Acoustical tile, ave, 1/2" thick

0.07

0.21

0.66

0.75

0.62

0.49

Acoustical tile, ave, 3/4 ? thick

0.09

0.28

0.78

0.84

0.73

0.64

MISC. BUILDING MATERIALS

Concrete block, coarse

0.36

0.44

0.31

0.29

0.39

0.25

Compendium, ref 9-1

Concrete block, painted

0.10

0.05

0.06

0.07

0.09

0.08

Compendium, ref 9-1

Concrete floor

0.01

0.01

0.015

0.02

0.02

0.02

Compendium, ref 9-1

Floor: linoleum, Asphalt-tile, or cork tile on concrete

0.02

0.03

0.03

0.03

0.03

0.02

Compendium, ref 9-1

Floor: wood

0.15

0.11

0.10

0.07

0.06

0.07

Compendium, ref 9-1

Glass:...