Installation Guide

11 | English
ENVIRONMENTAL CONSIDERATIONS
HardieBacker
®
Cement Board with HydroDefense
™
Technology employs a
proprietary cement formulation that provides a waterproof wallboard and tile
backer substrate that stands tough over time, reducing the need for product
replacement. James Hardie is committed to reducing energy consumption, while
improving process efficiencies and waste management. The Company avoids the
use of environmentally damaging materials and uses renewable resources in the
manufacture of its products. HardieBacker
®
Cement Board with HydroDefense
™
Technology does not contain any glass fibers, gypsum, asbestos or formaldehyde.
James Hardie also focuses on water conservation and attempts to recycle water
and waste product as much as possible during the manufacturing process.
RECOGNITIONS
HardieBacker
®
Cement Board with HydroDefense
™
Technology is recognized as an
interior substrate by complying with the following standards:
• ASTM C1288 Grade II • ASTM C1325
• ANSI A118.9 • ANSI A118.10 Section 4.5
• UL Environment GREENGUARD Gold Certified – product certified for low chemical
emission UL2818, complies with the State of California’s Department of Public
Health Services Standard Practice for Specification Section 01350 (California
Section 01350) for testing chemical emissions from building products used in
schools and other environments.
Code References:
• IBC 2509.2 • IRC R702.4.2
Consult these documents for additional information concerning conditions for use in applicable jurisdictions.
Cementitious Backer Unit/Fiber-Cement Underlayment Compressive Strength Compressive Strength at
Equilibrium Moisture Content (ASTM D2394) HardieBacker
®
Cement Board with HydroDefense
™
Technology:
6500 psi (45 MPa).
Non-Combustibility HardieBacker cement board is recognized as non-combustible in accordance with ASTM
E136.
Surface Burning Characteristics When tested in accordance with ASTM method E-84: Flame Spread – 0, Fuel
Contributed – 0, Smoke Developed – 5. Fire Rated Assemblies, HardieBacker cement board may be used as a
component in one-hour fire-resistive wall construction; consult the Intertek Directory of Building Products or
James Hardie’s Technical Services at 1-800-9HARDIE (1-800-942-7343) for recognized assemblies.
HARDIEBACKER WARRANTIES
INTERIOR APPLICATIONS
The HardieBacker
®
Cement Board with HydroDefense
™
Technology comes with a limited lifetime warranty.
Download a copy from www.hardiebacker.com or obtain one from wherever James Hardie products are sold.
EXTERIOR APPLICATIONS
James Hardie offers a limited 10 year warranty for HardieBacker
®
Cement Board with HydroDefense
™
Technology installed in exterior applications in HardieZone HZ10 regions only. To find out the HardieZone
designation for your ZIP code, go to www.HardieZone.com.
Spec ID: 39748
* Some application areas may require additional waterproofing. Refer to local building code requirements.