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Agenda
Welcome to
Hardie 101
Basic Training
Best Practices Version 6.2 – October 2012
By: Gary Griffiths
Senior Installation Specialist
James Hardie Installation Team
Products & Installation
Installation Best Practices 6.2
HardieTrim
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Agenda
Please Follow Along in the Best Practices:
Pages 43 – 69 in the US HZ5 Best Practices Guide Version 7.0
Pages 41 – 73 in the US HZ10 Best Practices Guide Version 7.0
Pages 30 – 56 in the Canada HZ5 Best Practices Version 6.2
HardieTrim
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Agenda
HardieTrim Product Description
HardieTrim Boards Description HardieTrim boards come finished with either the PrimePlus factory
primer and sealer or with ColorPlus Technology. The ColorPlus
coating is a factory applied, oven-baked finish available on a variety
of James Hardie siding & trim products. See your local dealer for
details and availability of products, colors, & accessories.
HardieTrim
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Agenda
HardieTrim HZ Boards - Product Description
Did You Know?
5/4 & 4/4 HardieTrim HZ Boards -
 5/4, 4/4 HardieTrim HZ are decorative non-load bearing trim
products.
 Available in commonly-used nominal widths from 4” to 12”.
 5/4 HardieTrim HZ is 1” thick x 12’ in Length with a flat
back and available in Rustic or Smooth finish.
 4/4 HardieTrim HZ is ¾” thick x 12’ in Length with a flat
back and available in Rustic or Smooth finish.
 Typically used as Frieze, Rake, Window, Door, and Corner
Trim
 5/4 & 4/4 HardieTrim boards may also be used to construct
Light Blocks, Column Wraps & Decorative Scroll Work.
NOTE:
All Trim is to be installed before
HardiePlank or HardieShingle products to
allow for proper moisture management.
HardieTrim
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Agenda
HardieTrim NT3 Boards - Product Description
Did You Know?
5/4 & 4/4 HardieTrim NT3 Boards -
 5/4, 4/4 HardieTrim NT3 is a decorative non-load bearing
trim product.
 Available in commonly-used nominal widths from 4” to 12”.
 5/4 HardieTrim NT3 is 1” thick x 12’ in Length with back
grooves for added strength & reduced weight.
 4/4 HardieTrim NT3 is ¾” thick x 12’ in Length with back
grooves for added strength & reduced weight.
 Available ONLY in a Smooth Finish
 Typically used as Frieze, Rake, Window, Door, and Corner
Trim
 5/4 & 4/4 HardieTrim boards may also be used to construct
Light Blocks, Column Wraps & Decorative Scroll Work.
NOTE:
All Trim is to be installed before
HardiePlank or HardieShingle products to
allow for proper moisture management.
HardieTrim
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Agenda
HardieTrim Batten Boards - Product Description
Did You Know?
HardieTrim Batten Boards -
 HardieTrim Batten Boards are a decorative non-load bearing
trim product.
 HardieTrim Batten Boards are ¾” thick, 2 ½” wide, and
come in 12’ lengths.
 Available in Smooth & Rustic Face Finish Texture
 See your local dealer for details and availability of product
colors and accessories.
16 ga Finish Nails
HardieTrim
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Agenda
HardieTrim Fascia Boards - Product Description
Did You Know?
HardieTrim
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Agenda
HardieTrim Accessories – Flat Tabs & Corner Tabs
Did You Know?
HardieTrim - Concealed Fastening Tabs
For Corners, Band Boards, Windows, & Door Trim Applications:
 HardieTrim can be installed with Flat Tabs (JH SKU 280154) &
Corner Tabs (JH SKU 280155) which provide concealed
fastening.
 Reducing the need for ColorPlus touch-up, and increasing the
look of the ColorPlus Technology.
 Only Flat & Corner Tabs can be used with HardieTrim boards to
create a concealed fastening system. Engineered, & Coated
Aluminum.
 Additional framing may be required to ensure the Flat & Corner
Tabs are fastened properly to the structure.
Special attention should be paid to the framing when using a
sheathing that does not have the fastener holding equivalent to 7/16”
OSB or ½” Plywood sheathing.
HardieTrim
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Agenda
Installation of HardieTrim HZ & NT3 using Trim Tabs
General Fastening for Hardie Trim Tabs: Flat & Corner Tabs
STEP 1:
Attach Flat Tabs to the back side of the Trim with 4 – 18 ga ½” L x ¼” W narrow crown corrosion resistant
staples, equally spaced in one row, positioned no closer than ½” from trim edges, using a pneumatic staple
gun (Figure 7.1)
1
Fig 7.1
STEP 2:
For wood frame construction, attach the trim to the building using 2 – 6d siding nails fastened through the
Flat Tabs. ET&F or equivalent fasteners may be used to attach the Flat Tabs to Steel framed construction.
(Figure 7.2)
2
Fig 7.2
Fastener spacing will vary based on application. Refer to specific sections in these instructions for required
fastener spacing by application (window, band board, etc.). (Figure 7.17)
HardieTrim
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Agenda
Installation of HardieTrim HZ & NT3 using Trim Tabs
Installing Hardie Trim Tabs: Corner Tabs – Page 1
Step 1:
Attach Corner Tabs to the backside of the trim with 8 – 18 ga ½” L
x ¼” W narrow crown corrosion resistant staples using a pneumatic
staple gun. *Ensure the Corner Tabs are fastened tight and
straight to the trim boards. (Figures 7.3)
Step 2:
For wood frame construction, attach the trim to the building with 2
– 6d siding nails fastened through the Corner Tabs. (Figures 7.4)
*ET&F or equivalent fasteners may be used to attach the
Corner Tabs to steel framed construction.
2
1
Fig 7.4
Fig 7.3
HardieTrim
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Agenda
Installation of HardieTrim HZ & NT3 using Trim Tabs
Installing Hardie Trim Tabs: Corner Tabs – Page 2
2
3
1
3
TIP: Creating a Jig for the work station is recommended to
ensure the corners are fastened securely and straight. (Figure 7.6)
*Attach a Corner Tab 1” from each edge & every 20” oc.
Fig 7.5
NOTE: If Desired put 4 – 16 ga
Finish Nails Spaced Evenly along
the outside corner of the trim to
secure it prior to installing the
Corner Tabs in the Jig. (Figure 7.6)
Min. 1” from
End
Fig 7.6
HardieTrim
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Agenda
Installation of HardieTrim HZ & NT3 using Trim Tabs
Installing Hardie Trim Tabs: Flat Tabs – Around Windows, Doors & Other Openings
1)
Always trim the opening prior to the installation of the siding (Figure 7.9).
2)
Place one Flat Tab at each end of the trim and one Flat Tab every 16” OC.
3)
Attach the HardieTrim & Flat Tabs around the opening as shown in Figures 7.7 & 7.8.
2
3
3
Fig 7.9
1
Fig 7.7
Fig 7.8
HardieTrim
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Agenda
Installation of HardieTrim HZ & NT3 using Trim Tabs
Installing Hardie Trim Tabs: Flat Tabs – Installation on Band Boards
1)
A Drip Flashing is Required over the HardieTrim when being installed in a horizontal application. (Figure 7.10)
2)
Place Flat Tab at the end of each piece of HardieTrim and one tab a maximum of 16” o.c. (Figure 7.11)
3)
The Flat Tabs should be attached to the trim in an alternating pattern . 16” oc alternating Top & Bottom of the Band
Board. (Figures 7.11 & 7.12)
4)
Terminate the ends of the Band Board into the Vertical HardieTrim or Miter Cut the Edges of the Trim at the Corners
of the Building.
Fig 7.11
2
Fig 7.12
3
1
2
Fig 7.10
Fig 7.13
HardieTrim
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Agenda
Hardie Trim Tab Fastener Table
Wind-Borne Debris Region: “Supplemental fasteners may be necessary when installing tabs in a Wind-Borne Debris
Region, please call Technical Services at 800-942-7343 with any questions.”
HardieTrim
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Agenda
Installation of HardieTrim HZ without Trim Tabs
Installation of Outside Corners: Pre-Built Corner Installation
Corners made from 5/4 or 4/4 HardieTrim boards should be preassembled before they’re installed. A pre-assembled corner
looks better and makes the installation quicker.
Step 1: Pre-Build the Corner Trim
Fig 7.15
1
To join two pieces of 5/4 or 4/4 HardieTrim boards for a corner:

Drive a (2”) 16 ga Corrosion-resistant finish nail (½”) in
from the edge & spaced (16”) apart along the length of the
corner trim. (9) 16 ga finish nails per 12’ piece of
HardieTrim.
2
Fig 7.17
Step 2: Fastening the Pre-Built Corner Trim to the Wall
To Fasten (4”) Corners to the Wall:
 Drive one finish nail into each face of the corner with the
nails spaced (16”) apart.
To Fasten (6”) Corners to the Wall:
 Drive a pair of finish nails into each face of the corner with
the nails spaced (16”) apart.
Nails should be kept (3/4”) from the edges of the HardieTrim and
(1”) from the ends.
3
HardieTrim
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Agenda
Installation of HardieTrim HZ without Trim Tabs
Installation of Outside Corners: Weather Cuts
 When walls are more than (12’) high, splice corner boards together using weather
cuts of at least a 22.5o angle.
 The angle of the weather cut must slope downward and away from the building.
 Nail both boards to the building with the same attachment schedule as for pre-built
corners.
 Paint or Prime ALL Cut Edges
DO NOT Install ANY Trim products over James Hardie Siding.
Installation of Inside Corners: Single & Double
Inside Corners can be made with either a single 5/4 or 4/4 HardieTrim board in the corner,
or with one board on each wall depending on the desired look.
Fig 7.18
NOTE: 5/4 HardieTrim is to be
used with all James Hardie Siding
Products in a butt-too installation
method.
4/4 HardieTrim is to be used over
HardiePanel ONLY.
Fig 7.16
HardieTrim
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Agenda
Installation of HardieTrim HZ without Trim Tabs
Installation of the Band Board:
Any width of 5/4 or 4/4 HardieTrim can be used for Band
Board depending on the type of detail desired.
 When installing the band board, pay special attention
to the flashing details and allow for water egress.
 Make sure that the weather resistant barrier laps over
the flashing for a continuous drainage plane.
 Caulk between the underside of the band board and
the siding below. (where permitted by local building
codes). Install an inverted “J” Trim for the last
course of the lap siding to terminate into.
 Maintain a min. (1/4”) gap between the horizontal
flashing and the James Hardie Siding above it.
 Do not caulk between the flashing and the siding
above the band board.
 If running HardiePlank or HardieShingle above the
band board, make sure to use a starter strip just like
below, to maintain the correct plank angle.
 Small periodic gaps should be left in the starter strip to
provide an escape route for excess moisture that may
drain down behind the siding.
Fig 7.19
HardieTrim
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Agenda
Installation of HardieTrim HZ without Trim Tabs
Installation of the Band Board: Continued
To attach the Band Board to the building:
How-to: Fastening the Band Board to the Wall
1)
Drive (2) two (2”) 16 ga corrosion resistant finish nails every
(16”) for (4”) and (6”) band boards.
2)
For (8”) band boards, use (3) three (2”) 16 ga corrosion
resistant finish nails every (16”).
3)
For (12”) band boards, use (4) four (2”) 16 ga corrosion
resistant finish nails every (16”).
Use bevel-cut splice joints of at least 22.5o to join long lengths of
5/4 or 4/4 HardieTrim together.
HardieTrim
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Agenda
Installation of HardieTrim HZ without Trim Tabs
HardieTrim Fastener Specifications: Recommended Fasteners for HardieTrim
HardieTrim
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Agenda
Installation of HardieTrim HZ without Trim Tabs
Installation of the Window & Door Trim:
 Windows & Doors must be installed per the manufacturer’s instructions.
 Once the HardieTrim is installed, a drip flashing must be installed above
the trim & lapped under the weather resistant barrier correctly.
Install HardieTrim around doors & windows using the “cap over” method,
which means that the header or horizontal top piece of trim extends and caps
over the vertical jamb legs on either side of the door or window.
 For windows, the bottom trim piece fits between the vertical jamb legs.
For Cap-Over Trim Installation:
1)
Start by measuring the length of the bottom edge of the window. (not
including the nailing flange). Cut a piece of trim to that length and
install it.
2)
Next measure from the bottom of the installed trim to the top of the
window. (not including the nailing flange). Cut two pieces of trim to
that length and install them on either side of the window.
3)
For the Cap, measure the distance from the outside edge of both vertical
jamb legs. Cut a piece of HardieTrim and Install it.
For Doors the Process is the same except that it starts with the vertical side
jamb legs. (Step 2)
2
1
3
HardieTrim
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Agenda
Installation of HardieTrim HZ without Trim Tabs
Installation of the Window & Door Trim: Continued
HardieTrim
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Agenda
Installation of HardieTrim HZ without Trim Tabs
Installation of HardieTrim - Rake & Fascia:
 For Fascia and Rake board applications, James Hardie requires
that ALL HardieTrim products be nailed over a solid wood or
steel Subfascia.
 James Hardie recommends that the fascia be no more than (2”)
larger than the Subfascia. (e.g. Over a nominal 2x6 Subfascia,
Install an (8”) fascia board (actual size 7 ¼”).
 On longer Fascia runs, join HardieTrim with weather/bevel cuts a
minimum of 22.5o miter is required.
 A Drip Edge Flashing is required over HardieTrim Fascia
HardieTrim
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Agenda
Installation of HardieTrim HZ without Trim Tabs
Installation of Frieze Board Trim:
1)
Install the HardieTrim Frieze Board direct to the wall or rainscreen.
2)
Run the HardiePlank or HardieShingle siding up to the frieze board and caulk the junction of the frieze board and siding (where
applicable by local building code) or Install an inverted “J” Channel for the HardiePlank or HardieShingle to tuck into at the
underside of the Frieze or Band Board.
3)
When using HardiePanel siding, it is acceptable to install the frieze board over the HardiePanel siding.
4)
If joints are necessary for longer runs, join the HardieTrim with a min. of a 22.5o bevel cut.
5)
Fasten the HardieTrim frieze board every (16”) using (2”) long 16 ga non-corrosive finish nails.
3
1
4
2
5
HardieTrim
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Agenda
Installation of HardieTrim Battens
Getting Started: Did you Know?
 HardieTrim Battens are intended to be used with
HardiePanel vertical siding to achieve a board and batten
look.
 HardieTrim Battens must be attached to the HardiePanel
while still penetrating into wood or steel framing.
2
 Use ONLY approved fasteners from the HardieTrim
fastener specification table.
Step 1: Installing HardieTrim Battens
1) Determine your desired layout (Over Framing) and mark
top & bottom of the HardiePanel where the HardieTrim
Battens will be installed.
2) To ensure the HardieTrim Battens are installed vertically
and parallel to each other, Snap Chalk Lines (Blue Chalk
Works Best) or Use a Level to draw straight vertical,
parallel lines.
3) Center the HardieTrim Battens over the lines established
in Step 2. Ensure the fasteners are a minimum of (¾”)
from the edges, (1”) from ends, and a maximum of (16”)
apart down the length of the HardieTrim Battens.
3
2
1
HardieTrim
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Agenda
HardieTrim Battens Fastener Specifications
HardieTrim
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Agenda
Installation of HardieTrim Battens
Getting Started: Horizontal Joint Treatment – Did you Know?
Horizontal HardieTrim Batten joints must occur at the same location as the horizontal joints in the
HardiePanel Siding.
How-to: Install Horizontal HardieTrim Batten Joints
Option 1: No Horizontal Band Board
If HardieTrim Battens are going to be
installed over the horizontal
HardiePanel joints without the use of a
horizontal band board, follow the
procedure as illustrated in fig. 7.29.
1) Start Installing HardieTrim Battens
by creating a 22.5o weather-cut,
making a joint at the same location
as the panel joint.
2) Attach the Bottom Batten First.
3) Make sure the Top Batten has a
matching 22.5o weather-cut, then
install the Top Batten.
Fig 7.29
HardieTrim
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Agenda
Installation of HardieTrim Battens
Getting Started: Horizontal Joint Treatment – Did you Know?
Horizontal HardieTrim Batten joints must occur at the same location as the horizontal joints in the
HardiePanel Siding.
How-to: Install Horizontal HardieTrim Batten Joints
Option 2: With a Band Board
If HardieTrim Battens are going to be
installed over the horizontal
HardiePanel joints with the use of a
horizontal band board, follow the
procedure as illustrated in fig. 7.30.
If HardieTrim Battens are to be installed
horizontally, they must be installed in
the same manner as in fig. 7.30.
1) Attach the bottom batten tight to the
bottom edge of the band board.
2) Leave a Min. (¼”) gap above the
horizontal Z-flashing,.
3) Cut & Install the Top Batten.
Fig 7.30
HardieTrim NT3 Installation
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Requirements
Agenda
Please Reference the Installation Requirements found on:
Pages 53 – 57 in the US HZ5 Best Practices Guide Version 7.0
&
Pages 57 – 61 in the US HZ10 Best Practices Guide Version 7.0
&
Pages 40 – 44 in the Canada HZ5 Best Practices Version 6.2
HardieTrim HZ Installation
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Requirements
Agenda
Please Reference the Installation Requirements found on:
Pages 58 – 63 in the US HZ5 Best Practices Guide Version 7.0
&
Pages 51 – 56 & 62 – 67 in the US HZ10 Best Practices Guide Version 7.0
&
Pages 45 – 50 in the Canada HZ5 Best Practices Version 6.2
HardieTrim HZ5 Battens
Text
goes here Requirements
Installation
Agenda
Please Reference the Installation Requirements found on:
Pages 64 – 69 in the US HZ5 Best Practices Guide Version 7.0
&
Pages 68 – 73 in the US HZ10 Best Practices Guide Version 7.0
&
Pages 51 – 56 in the Canada HZ5 Best Practices Version 6.2
Begin the
HardieTrim Installation Requirements
Knowledge Test
Installation Best Practices 6.2
KNOWLEDGE TEST RESULTS
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Agenda
HardieTrim Installation Requirements:
1.
When nailing trim boards, keep nails ____?
4.
What is the recommended fastener for nailing HardieTrim?
a)
b)
c)
d)
¼” from the edge and ¼” ends
½” from the edge and ½” ends
¾ “ from the edge and 1” ends
Does not matter.
a)
b)
c)
d)
2” long, 16 gauge corrosion resistant finish nail
2” long, 6d corrosion resistant siding nail
1 ¾” long, 11gauge corrosion resistant roofing nail
2” long, 18 gauge corrosion resistant finish nail
5.
The “Cap Over” method (installing the longest piece of trim the
head piece over the two jamb legs) is recommended for
trimming around windows & doors?
a)
b)
True
False
6.
At what point in the Siding Process is the Trim Installed?
2.
When installing a horizontal band board a piece of horizontal
flashing must be used above the trim?
a)
b)
True
False
3.
When you have corner trim extending multiple floors without a
break, how should you join those vertical trim pieces?
a)
Splice boards using a 22.5 degree angle sloped away from the
wall.
Join using factory ends.
Splice boards using a 45 degree angle.
Splice boards using a 22.5 degree angle slope towards the wall.
b)
c)
d)
a)
b)
c)
d)
e)
All Trim gets installed BEFORE the Siding Installation
All Trim gets installed AFTER the Siding Installation
Corner Trim on After Siding & Window/ Door Trim Before Siding
Window/Door Trim on After Siding & Corner Trim Before Siding
Depends on the Project
General Installation
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Requirements
Agenda
12 Critical Details to a Quality Installation
 Page 13 in your
Best Practices
Guide.
 All 12 items are
Critical to the Long
Term Quality,
Durability and
Installation
Compliance.
 Most Important
Page in your Best
Practices Guide

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