| |
|
Comparative
Properties, R-Values/in. and Prices Between Cellulose, Fiberglass
'Insulation' and Rigid Isocyanurate Foam Insulations
|
| |
SPRAY
CEL
|
BIB
CEL
|
M.DEN.
CEL
|
PAR/PAC
CEL.
|
|
H.D.
BATT
|
|
INSEAL
FOAM
|
R/ISOC
FOAM
|
| INSTALLER
SAFETY HEALTH ISSUES |
XXX
|
XXXX
|
XXXX
|
XXXX
|
XX
|
XX
|
X
|
XXXX
|
XX
|
| ENVIRONMENTALLY
FRIENDLY |
XXXX
|
XXXX
|
XXXX
|
XXXX
|
XX
|
XX
|
XX
|
XX
|
XX
|
| AIR
SEALING QUALITIES |
XXX
|
XXX
|
XXX
|
XXXX
|
X
|
X
|
X
|
XXXX
|
XXXX
|
| FILLS
GAPS WELL, ESP, IRREGULAR |
XXXX
|
XXX
|
XXX
|
XXXX
|
XX
|
XX
|
XXX
|
XX
|
XXXX
|
| RESISTANCE
TO FIRE, MELTING, ETC. |
XXXX
|
XXXX
|
XXXX
|
XXXX
|
XX
|
XX
|
XX
|
X
|
XX
|
| SOUND
ABSORPTION |
XXXX
|
XXXX
|
XXXX
|
XXXX
|
XX
|
XX
|
XX
|
XXX
|
XXX
|
| VERSATILE
IN MANY APPLICATIONS |
XX
|
XXXX
|
XXX
|
XXX
|
XXXX
|
XXXX
|
XXX
|
XXXX
|
XX
|
| NO
SETTLING IN STUD CAVITY |
XXX
|
XXX
|
XXX
|
XXXX
|
XXXX
|
XXXX
|
XXXX
|
XXXX
|
XXXX
|
| MOISTURE
LOW IN INSTALLATION |
X
|
XX
|
XXXX
|
XXXX
|
XXXX
|
XXXX
|
XXXX
|
XXXX
|
XXXX
|
| R-VALUE/IN. |
3.8
|
3.6
|
3.8
|
3.6
|
3.2
|
3.8
|
2.3
|
3.6
|
6.2
|
|
|
|
|
|
|
|
|
|
|
| Cost
(Average) NOTE:
Prices vary considerably based on local labor cost and the cost of
insulation |
| R-30
CEILING |
N/A |
N/A |
.65 |
N/A |
.65 |
.77 |
.55 |
2.33 |
N/A |
| 2X10
RAFTER |
N/A |
.84 |
.70 |
1.10 |
.65 |
.77 |
.90 |
2.52 |
1"=.70 |
| 2X12
RAFTER |
N/A |
.92 |
.86 |
1.12 |
.87 |
.92 |
.95 |
3.08 |
2"=1.20 |
|
|
|
|
|
|
|
|
|
|
|
XXXX=Very
Good
|
XXX=Good
|
XX=Mediocre
|
X=Poor
|
|
|
Chart prepared by Charles Bourke, builder and
contributing editor to the Journal of Light Construction
|
| |
