1/4” HardieBacker® EZ Grid®, HardieBacker® 500, HardieBacker® with HydroDefense™, and 1/4” HardieBacker® Underlayment are fiber cement backerboards.
| PRODUCT |
DIMENSIONS |
WEIGHT |
| 1/4” HardieBacker® EZ Grid® |
Width: 36 in.
Lengths: 5, 8, 9, and 10 ft.
Thickness: 1/4 in. |
1.9 lbs/ft2
|
| HardieBacker® 500 |
Widths: 32, 36, and 48 in.
Lengths: 5 and 8 ft.
Thickness: 13/32 in. |
2.6 lbs/ft2 |
| HardieBacker® with HydroDefense™ |
Widths: 32, 36, and 48 in.
Lengths: 5 and 8 ft.
Thickness: 13/32 in. |
2.6 lbs/ft2 |
| 1/4” HardieBacker® Underlayment |
Widths: 36 and 48 in.
Lengths: 5, 8, 9, and 10 ft.
Thickness: 1/4 in. |
1.9 lbs/ft2 |
PHYSICAL RATINGS
| PRODUCT |
STANDARD |
RATINGS |
| 1/4” HardieBacker® EZ Grid®, HardieBacker® with HydroDefense™, and 1/4” HardieBacker® Underlayment |
ANSI A118.9 |
Meets the requirements |
| ASTM C1288 |
Grade II |
| ASTM C1325 |
Meets the requirements |
| BS EN 12467 |
Category C, Class 3 |
| ISO 8336 |
Category C, Class 3 |
| HardieBacker® with HydroDefense™ |
ANSI A118.10 Section 4.5 (Waterproofness) |
Meets the requirements |
| HardieBacker® 500 |
ANSI A118.9 |
Meets the requirements |
| ASTM C1288 |
Grade I |
| ASTM C1325 |
Meets the requirements |
| BS EN 12467 |
Category C, Class 1 |
| ISO 8336 |
Category C, Class 1 |
FIRE RATINGS
| Product |
Standard |
Rating |
Design Listing Number |
| 1/4” HardieBacker® EZ Grid®, HardieBacker® 500, HardieBacker® with HydroDefense™, and 1/4” HardieBacker® Underlayment |
ASTM E84 |
Flame Spread Index: 0
Smoke Developed Index: 5 |
NA |
| ASTM E136 |
Non-combustible |
NA |
| 1/4” HardieBacker® Underlayment |
ASTM E119
CAN/ULC S101 |
1 Hour |
JH/FCS 60-05 |
| HardieBacker® 50 and HardieBacker® with HydroDefense™ |
JH/FCS 60-06 |
| HardieBacker® 500 and HardieBacker® with HydroDefense™ |
JH/FCS 60-07 |
