Vertical Siding
INSTALLATION REQUIREMENTS - PRIMED & COLORPLUS® PRODUCTS
EFFECTIVE NOVEMBER 2012
C E D A R M I L L © S E L E C T S I E R R A 8
S T U C C O
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S M O O T H
MPORTANT: FAILURE TO INSTALL AND FINISH THIS PRODUCT IN ACCORDANCE WITH APPLICABLE BUILDING CODES AND JAMES HARDIE
WRITTEN APPLICATION INSTRUCTIONS MAY LEAD TO PERSONAL INJURY, AFFECT SYSTEM PERFORMANCE, VIOLATE LOCAL BUILDING CODES,
AND VOID THE PRODUCT ONLY WARRANTY. BEFORE INSTALLATION, CONFIRM THAT YOU ARE USING THE CORRECT HARDIEZONE INSTRUCTIONS.
TO DETERMINE WHICH HARDIEZONE APPLIES TO YOUR LOCATION, VISIT WWW.HARDIEZONE.COM OR CALL 1-866-942-7343 (866 9HARDIE)
CUTTING INSTRUCTIONS
STORAGE & HANDLING:
Store flat and keep dry and
OUTDOORS
INDOORS
1. Position cutting station so that wind will blow dust away from user
and others in working area.
1. Cut only using score and snap, or shears (manual, electric or pneumatic).
2. Position cutting station in well-ventilated area
covered prior to installation. Installing
siding wet or saturated may result in
shrinkage at butt joints. Carry planks
on edge. Protect edges and corners
from breakage. James Hardie is not
responsible for damage caused
by improper storage and handling of
the product.
2. Use one of the following methods:
a. Best: i. Score and snap
- NEVER use a power saw indoors
- NEVER use a circular saw blade that does not carry the HardieBlade saw blade trademark
- NEVER dry sweep – Use wet suppression or HEPA Vacuum
ii. Shears (manual, electric or pneumatic)
b. Better: i. Dust reducing circular saw equipped with a
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HardieBlade saw blade and HEPA vacuum extraction
c. Good: i. Dust reducing circular saw with a HardieBlade saw blade
(only use for low to moderate cutting)
Important Note: For maximum protection (lowest respirable dust production), James Hardie recommends always using “Best”-level cutting methods where feasible.
NIOSH-approved respirators can be used in conjunction with above cutting practices to further reduce dust exposures. Additional exposure information is available
do not comply with the above practices, you should always consult a qualified industrial hygienist or contact James Hardie for further information.
SD083105
GENERAL REQUIREMENTS:
• HardiePanel® vertical siding can be installed over braced wood or steel studs spaced a maximum of 24" o.c. See general fastening requirements. Irregularities in
framing and sheathing can mirror through the finished application.
• Information on installing James Hardie products over foam can be located in JH Tech Bulletin 19 at www. jamehardie.com
• A water-resistive barrier is required in accordance with local building code requirements. The water-resistive barrier must be appropriately installed with penetration
and junction flashing in accordance with local building code requirements. James Hardie will assume no responsibility for water infiltration. James Hardie does
manufacture HardieWrap™ Weather Barrier, a non-woven non-perforated housewrap¹, which complies with building code requirements.
• When installing James Hardie products all clearance details in figs. 3,5,6,7,8,9,10 &11 must be followed.
• Adjacent finished grade must slope away from the building in accordance with local building codes - typically a minimum of 6" in the first 10'.
• Do not install James Hardie products, such that they may remain in contact with standing water.
• HardiePanel vertical siding may be installed on vertical wall applications only.
• DO NOT use HardiePanel vertical siding in Fascia or Trim applications.
• DO NOT use stain on James Hardie® products.
• For larger projects, including commercial and multi-family projects, where the span of the wall is significant in length, the designer and/or architect should take into
consideration the coefficient of thermal expansion and moisture movement of the product in their design. These values can be found in the Technical Bulletin
“Expansion Characteristics of James Hardie® Siding Products” at www.JamesHardie.com.
INSTALLATION:
Joint Treatment
Fastener Requirements
• Vertical Joints - Install panels in moderate contact (fig. 1), alternatively joints
Position fasteners 3/8" from panel edges and no closer than 2" away from
may also be covered with battens, PVC or metal jointers or caulked
corners. Do not nail into corners. HardiePanel Vertical Siding Installation
(Not applicable to ColorPlus® Finish) (fig. 2).
• Horizontal Joints - Provide Z-flashing at all horizontal joints (fig. 3).
• Framing must be provided at horizontal and vertical edges for nailing.
• HardiePanel vertical siding must be joined on stud.
• Double stud may be required to maintain minimum edge
Figure 2
nailing distances.
water-resistive barrier
2 x 4 stud
water-resistive barrier
2 x 4 stud
Figure 3
stud
Figure 1
water-resistive
water-resistive
barrier
upper panel
water-resistive
barrier
barrier
upper panel
1/4" gap
Do not 1/4" gap
Caulk
Do not
Caulk
HardiePanel
vertical siding
sheathing
keep nails
3/8" min.
from panel
edges
Batten Joint
“H” Joint
Z-flashing
decorative
band board
lower
panel
Z-flashing
water-resistive barrier
2 x 4 stud
lower
panel
plate
3/8"
moderate contact
Figure 4
keep fasteners 2"
away from corners
(Not applicable to ColorPlus® Finish)
*Apply caulk in accordance with caulk manufacturer’s written application instructions.
leave appropriate gap between
panels, then caulk*
Recommendation: When
installing Sierra 8, provide
a double stud at panel
joints to avoid nailing
through grooves.
Caulk Joint
WARNING: AVOID BREATHING SILICA DUST
James Hardie® products contain respirable crystalline silica, which is known to the State of California to cause cancer and is considered by IARC and NIOSH to be a cause of cancer from some occupational
sources. Breathing excessive amounts of respirable silica dust can also cause a disabling and potentially fatal lung disease called silicosis, and has been linked with other diseases. Some studies suggest
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smoking may increase these risks. During installation or handling: (1) work in outdoor areas with ample ventilation; (2) use fiber cement shears for cutting or, where not feasible, use a HardieBlade saw
blade and dust-reducing circular saw attached to a HEPA vacuum; (3) warn others in the immediate area; (4) wear a properly-fitted, NIOSH-approved dust mask or respirator (e.g. N-95) in accordance with
applicable government regulations and manufacturer instructions to further limit respirable silica exposures. During clean-up, use HEPA vacuums or wet cleanup methods - never dry sweep. For further
information, refer to our installation instructions and Material Safety Data Sheet available at www.jameshardie.com or by calling 1-800-9HARDIE (1-800-942-7343). FAILURE TO ADHERE TO OUR
SD050905
WARNINGS, MSDS, AND INSTALLATION INSTRUCTIONS MAY LEAD TO SERIOUS PERSONAL INJURY OR DEATH.
HS1237-P1/3 11/12
CAULKING
For best results use an Elastomeric Joint Sealant complying with ASTM C920 Grade NS, Class 25 or higher or a Latex Joint Sealant complying with ASTM C834.
Caulking/Sealant must be applied in accordance with the caulking/sealant manufacturer’s written instructions. Note: OSI Quad as well as some other caulking
manufacturers do not allow tooling.
DO NOT caulk nail heads when using ColorPlus products, refer to the ColorPlus touch-up section
CUT EDGE TREATMENT
PAINTING
Caulk, paint or prime all field cut edges.
James Hardie touch-up kits are required
to touch-up ColorPlus products.
DO NOT use stain on James Hardie® products. James Hardie products must be painted within 180 days for primed
product and 90 days for unprimed. 100% acrylic topcoats are recommended. Do not paint when wet. For
application rates refer to paint manufacturers specifications. Back-rolling is recommended if the siding is sprayed.
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COLORPLUS TECHNOLOGY CAULKING, TOUCH-UP & LAMINATE
• Care should be taken when handling and cutting James Hardie ColorPlus products. At the job-site use a soft cloth to gently wipe any residue or
construction dust left on the product
• Touch up nicks, scrapes and nail heads using the ColorPlus® Technology touch-up applicator. Touch-up should be used sparingly. If large areas
require touch-up, replace the damaged area with new HardiePanel® siding with ColorPlus Technology.
• Laminate sheet must be removed immediately after installation of each course.
• Terminate non-factory cut edges into trim where possible, and caulk. Color matched caulks are available from your ColorPlus® product dealer.
• Treat all other non-factory cut edges using the ColorPlus Technology edge coaters, available from your ColorPlus product dealer.
Note: James Hardie does not warrant the usage of third party touch-up or paints used as touch-up on James Hardie ColorPlus products.
Problems with appearance or performance arising from use of third party touch-up paints or paints used as touch-up that are not James Hardie
touch-up, will not be covered under the James Hardie ColorPlus Limited Finish Warranty.
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PAINTING JAMES HARDIE SIDING AND TRIM PRODUCTS WITH COLORPLUS TECHNOLOGY
When repainting ColorPlus products, James Hardie recommends the following regarding surface preparation and topcoat application:
• Ensure the surface is clean, dry, and free of any dust, dirt, or mildew
• Repriming is normally not necessary
• 100% acrylic topcoats are recommended
• DO NOT use stain or oil/alkyd base paints on James Hardie® products
• Apply finish coat in accordance with paint manufacturers written instructions regarding coverage, application methods, and application
temperature
RECOGNITION: In accordance with ICC-ES Legacy Report NER-405, HardiePanel® vertical siding is recognized as a suitable alternate to that specified in: the BOCA National Building Code/1999, the 1997 Standard
Building Code, the 1997 Uniform Building Code, the 1998 International One- and Two-Family Dwelling Code, the 2003 International Building Code, and the 2003 International Residential Code for One-and Two-Family
Dwellings. HardiePanel vertical siding is also recognized for application in the following: City of Los Angeles Research Report No. 24862, State of Florida listing FL#889, Dade County, Florida NOA No. 02-0729.02, U.S.
Dept. of HUD Materials Release 1263c, Texas Department of Insurance Product Evaluation EC-23, City of New York MEA 223-93-M, and California DSA PA-019. These documents should also be consulted for
additional information concerning the suitability of this product for specific applications.
© 2012 James Hardie Building Products. All rights reserved.
TM, SM, and ® denote trademarks or registered trademarks of
Additional Installation Information,
Warranties, and Warnings are available at
James Hardie Building Products. is a registered
trademark of James Hardie Building Products.
HS1237-P3/3 11/12
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