Masonry Magazine June 1975 Page. 19
TABLE 2-Continued
Brick and Block Composite Wall
3-in. Brick, 4-in. Block
U
4-in. Brick, 4-in. Block
U
1 by 2-in. Wood furring
0.25
I by 2-in. Wood furring
0.24
1-in. Polystyrene board
0.12 1-in. Polystyrene board
0.12
1-in. Polyurethane board
0.10
1-in. Polyurethane board
0.10
2-in. Polystyrene board
0.07 2-in. Polystyrene board
0.07
2-in. Polyurethane board
0.06
2-in. Polyurethane board
0.06
8-in., 9-in. or 10-in. Cavity Wall
8-in. Cavity Wall (3-in. Brick)
U
10-in. Cavity Wall (4-in. Brick)
U
No fill
0.40 No fill
0.37
2-in. Vermiculite fill
0.18 2-in. Vermiculite fill
0.17
2-in. Perlite fill
0.15
2-in. Perlite fill
0.14
2-in. Polystyrene board
0.08 2-in. Polystyrene board
0.08
2-in. Polyurethane board
0.06
2-in. Polyurethane board
0.06
9-in. Cavity Wall (3-in. Brick, 4-in. Concrete Block)
U
10-in. Cavity Wall (4-in. Brick, 4-in. Concrete Block)
U
No fill
0.28 No fill
0.27
2-in. Vermiculite fill
0.15 2-in. Vermiculite fill
0.15
2-in. Perlite fill
0.13 2-in. Perlite fill
0.13
2-in. Polystyrene board
0.07 2-in. Polystyrene board
0.07
2-in. Polyurethane board
0.06 2-in. Polyurethane board
0.06
Single Wythe Wall, Hollow Units
6-in. Brick, 8-in. Brick, 1 by 2-in. Wood Furring
U
1 by 2-in. Wood Furring
U
Vermiculite filled cores
0.20
Vermiculite filled cores
0.16
Perlite filled cores
0.19
Perlite filled cores
0.16
Urea-formaldehyde foam filled cores
0.16
Urea-formaldehyde foam filled cores
0.14
"See Fig. 4 for wall details. Values for hollow units are calculated data based upon products of one manufacturer. These values will vary with core size and brick density. Consult local manufacturer. "Water-repellent loose fill insulation. 9