Installation Guide

TR1121_P1/6 6/13
Wood or steel backing must be provided for attaching HardieTrim
®
boards.
• 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. 5, 6, 7, 8, & 9 must be followed.
Flashing is required over all horizontal protruding and exposed trim.
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 HardieTrim boards, such that they may remain in contact with standing water.
DO NOT use stain, oil/alkyd base paint, or powder coating on James Hardie
®
Products.
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
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 WARNINGS, MSDS, AND
INSTALLATION INSTRUCTIONS MAY LEAD TO SERIOUS PERSONAL INJURY OR DEATH.
SD050905
16" o.c. maximum
Leave a minimum 1/8" gap between
the siding and trim, then caulk.
finish nailing
pattern
plywood or
OSB sheathing
water-resistive
barrier
1" from
ends
Figure 1
INSTALLATION
HardieTrim may be installed using traditional fastening method or by concealed fastening method.
Traditional Fastener Requirements
Use 2" minimum 16 ga. finish nails to attach HardieTrim boards to wood frame construction. ET&F
or equivalent fasteners or screws may be used to attach HardieTrim boards to steel frame
construction.
Fastening instructions are similar for all applications. When using finish nails, position nails no
closer than 1/2" from the edges of the trim and for all other fasteners no closer than 3/4".
Fasteners must be no closer than 1" from ends of trim and spaced a maximum of 16" o.c.
Ensure trim is adequately fastened.
James Hardie recommends using stainless steel finish nails when installing HardieTrim (Trim,
Battens, Fascia, etc.) products.
HardieTrim 4/4 and 5/4 Boards with ColorPlus
®
Technology:
A finish nail is required for installing HardieTrim 4/4 and 5/4 boards. Remove laminate sheet as
soon as possible after nailing. Nail head touch up can be done before or after removal of the laminate sheet when using finish nails. The preferred method is to
touch-up while the laminate sheet is in place. Remove the laminate sheet before paint dries.
HardieTrim
®
4/4,5/4 boards are decorative non-load bearing trim products.
GENERAL REQUIREMENTS:
¹ For additional information on HardieWrap™ Weather Barrier, consult James Hardie at 1-866-4Hardie or www.hardiewrap.com
INSTALLATION REQUIREMENTS - PRIMED & COLORPLUS
®
PRODUCTS
Visit www.jameshardie.com for the most recent version.
Boards
EFFECTIVE SEPTEMBER 2013
OUTDOORS
1. Position cutting station so that wind will blow dust away from user
and others in working area.
2. Use one of the following methods:
b. Better: i. Dust reducing circular saw equipped with a
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)
INDOORS
- 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
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
at www.jameshardie.com to help you determine the most appropriate cutting method for your job requirements. If concern still exists about exposure levels or you
do not comply with the above practices, you should always consult a qualified industrial hygienist or contact James Hardie for further information.
SD083105
CUTTING INSTRUCTIONS
STORAGE & HANDLING:
IMPORTANT: 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. INSTALLATION OF
HZ10™ PRODUCTS OUTSIDE AN HZ10™ LOCATION WILL VOID YOUR WARRANTY. TO DETERMINE WHICH HARDIEZONE APPLIES TO YOUR LOCATION,
VISIT WWW.HARDIEZONE.COM OR CALL 1-866-942-7343 (866 9HARDIE)
Use a 2" finish nail to fasten trim together. Longer finish nails may bend.
4/4, 5/4
These instructions are to be used for HardieTrim
®
HZ10
®
Boards ONLY and are NOT VALID in the following states: AK, HI, UT, ID, CO, WY, MT. These instructions
are also NOT valid in portions of WA, OR, CA, NV, AZ, NM. Enter your zip code at www.hardiezone.com to find out what zone applies to your location.
Minimum fastener guide for finish nailing:
4"
6"
8"
12"
Site Built Corners
2 nails every 16"
3 nails every 16"
4 nails every 16"
Other areas (e.g. window
trim, band boards and fascia)
2 nails every 16"
3 nails every 16"
3 nails every 16"
Pre-built corner
1 nail every 16" to attach boards
together + 1 nail every 16" each board
1 nail every 16" to attach boards
together + 2 nails every 16" each board
-
-
Store flat and keep dry and covered prior to
installation. Installing siding wet or saturated
may result in shrinkage at butt joints. Carry
product on edge. Protect edges and corners
from breakage. James Hardie is not responsible
for damage caused by improper storage and
handling of the product.

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