|
|
PERFORMANCE FACTOR |
BuildBlock |
WOOD |
| 1. |
Wall
Construction |
Solid
Concrete |
Hollow
Cavities |
| 2. |
R-Value
of Insulation |
R-25 |
R-11
or R-19 |
| 3. |
Thermal
Mass (lbs/ft2) |
65 lbs/ft2 |
2
lbs/ft2 |
| 4. |
Typical
Air Leakage |
0.1
ACH
(Air Changes per Hour) |
0.4
ACH |
| 5. |
Effective
R-Value of Wall
(Resulting from 1,2, & 3 above) |
R-32
to 52
(In Oklahoma City R-50) |
R-10
to 17 |
| 6. |
Estimated
Annual Heating & Cooling Costs
(USA Average) |
Less
than $1,200 |
$2,400 |
| 7. |
Bearing
Capacity (Top of Wall)
(plf = pounds per linear foot) |
30,000
plf |
4,000
plf |
| 8. |
Wind
Capacity
(Design Wind Pressure lbs/ft2) |
200
mph
(175 lbs/ft2) |
130
mph
(72 lbs/ft2) |
| 9. |
Fire
Rating of Wall |
3+
Hours |
Not
Rated |
| 10. |
Food
for Termites |
No |
Yes |
| 11. |
Bullet
Resistant |
Yes |
No |
| 12. |
Building
Code Requirements |
Exceeds
Codes |
Meets
Codes |
| 13. |
Environmental
Advantages |
Saves
Trees and Energy |
None |
| 14. |
Outside
Noise Reduction
(STC= Sound Transmission Control) |
STC
55 |
STC
37 |
| 15. |
Reduces
Pollen Inside Home |
Yes |
No |
| 16. |
Overall
Inside Comfort |
Far
Superior |
OK |
| 17. |
Homeowner's
Insurance Rates |
10%
- 25% Lower Rates (with many companies) |
Standard
Rates |
| 18. |
Cost
of Average Home |
$103,000
- $108,000 |
$100,000 |
| 19. |
Qualifies
for Larger Mortgage |
Yes |
No |
