Montana Test Results
Powerblanket® Product Tested in Montana Winter
Test performed by a building inspector
Concrete poured 10 a.m. Tuesday, February 14
Mix:
- 5.5 sack
- Type 3 concrete
- 1.5% non–calcium accelerator
- Hot water 110°-120° Fahrenheit
Air temperature at pour time, 30°F.
Blankets applied at 4:40 p.m.
Results
| Outside Temperature | Under Thawing Blanket* | Under Curing Blanket* | |
| Wed (11:00 a.m.) | 19°F | 71°F | 64°F |
| Thurs (8:30 a.m.) | 4°F | 68°F | 66°F |
| Friday morning | 11°F | 70°F | 66°F |
*Refers to blankets that are no longer used; replaced by Multi Duty blankets.
Note: all blankets were covered with a layer of regular concrete blankets.



