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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
HardiePanel
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Agenda
Please Follow Along in the Best Practices:
Pages 106 – 113 in the US HZ5 Best Practices Guide Version 7.0
Pages 107 – 114 in the US HZ10 Best Practices Guide Version 7.0
Pages 87 – 97 in the Canada HZ5 Best Practices Version 6.2
HardiePanel
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HardiePanel Product Description
What is HardiePanel?
HardiePanel Vertical Siding is a factory-primed fiber cement siding available in a variety of sizes and textures.
Textures include Smooth, Stucco, Cedarmill & Sierra 8. HardiePanel like many other James Hardie Products is also
available with ColorPlus Technology. The ColorPlus coating is a factory applied, oven baked finish available in a
standard 20 colors. HardiePanel vertical siding is 5/16”-in. thick and is available in 4x8, 4x9, & 4x10 sizes. Please see
your local James Hardie Dealer for textures and sizes available in your area.
HardiePanel
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HardiePanel Profiles
Smooth - HardiePanel
Cedarmill - HardiePanel
Sierra 8 - HardiePanel
Stucco - HardiePanel
HardiePanel
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HardiePanel Vertical Siding Installation
- Getting Started First Locate the Lowest Point of the Sheathing or Sill Plate, and Begin Installation
on that Wall.
1.
Measure up from the sill plate the height of the panel at either end of the
wall - snap a straight, level chalk line between the marks as a reference
line. That line is for guidance in positioning the top edge of the panels.
Check the reference line with a min. 4’-ft level.
2. Starting on one end and working across the wall, measure and trim the first
panel making sure that the edge falls in the middle of a stud.
3.
Position the panels top edge on the chalk line and secure it with suitable
fasteners and fastener spacing for the particular application as noted in the
ESR-1844 Report.
4.
As installation continues, check the vertical edge of each panel with a min.
4’-ft. level to ensure panels are plumb & level.
16”-in.
oc
TIP: Verify Wind
Load Requirements
for Fastener Spacing
– ESR-1844.
8”-in.
oc
TIP: For Sierra 8 Panels, Double Studs
are Required at Each Vert. Joint.
TIP: Install Flashing Over the Footing/Foundation & Extend
the Panel Over the Flashing just below the Sill Plate. Do Not
Extend Siding Beyond the Required Grade Clearance.
TIP: Blue chalk is Recommended because
it washes off. DO NOT use Red or Black
chalk they are considered permanent and
may bleed through lighter colored paints.
HardiePanel
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HardiePanel Vertical Siding Installation
Did You Know?
Vertical Joint Treatment –
All Vertical Joints in HardiePanel Vertical Siding MUST be treated using one of the
following Four Joint Treatments:
1.
Install the Panels in Moderate Contact with Joint Flashing. Joint Flashing is
typically a 6”-in. strip of weather resistant barrier (house wrap).
2.
Leave an 1/8” inch gap between Panels and fill with caulk. Caulking
MUST be a high quality paintable, permanently flexible caulking that
meets ASTM C-834 or C-920 Requirements.
TIP: As an option, install the first panel and
apply a bead of caulk along the vert. panel
edge. Install the next panel against the first,
making sure to embed the edge in the applied
caulk creating a thorough seal between the
edges of the two panels.
HardiePanel
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HardiePanel Vertical Siding Installation
Did You Know?
Vertical Joint Treatment – Continued
All Vertical Joints in HardiePanel Vertical Siding MUST be treated using one of the
following Four Joint Treatments:
3.
Vertical Joints may be Covered with Wood or Fiber Cement Batten Strips.
Batten Strips MUST Span the Vertical Joint by at least ¾”-in. on each side.
4.
Metal or PVC “H” Moldings can be used to Join Two
Vertical Sections of HardiePanel Siding.
Recommended Fasteners HardiePanel – Traditional
Design
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Moderate Contact
Vertical Joint
Battened Vertical
Joint
Trimmed Vertical
Joint
Fastener Requirements
•
Utilize fasteners and fastener spacing as prescribed in the HardiePanel installation instructions and the
ESR-1844 or as governed by code.
•
Do not countersink or overdrive fasteners. Fasteners shall be flush with panel surface.
•
For Traditional Design HardiePanel - Fastening into wood - use the recommended Nail.
TIP: Verify Project Specific Wind
Load Requirements for HardiePanel
Fastener Spacing – ESR-1844.
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16” oc Horizontally
8” oc Vertically
Recommended Fastener Spacing HardiePanel – Traditional Design
* Unless Otherwise specified by the Engineer of Record
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Recommended Fasteners HardiePanel – NonTraditional Design
HardiePanel with Expressed Joint Trim Fasteners
WRB – Weather
Resistant Barrier
Min. 3/8”
Furring Strips
Extruded Aluminum
Horizontal Trim
Fastener Requirements
•
Utilize fasteners and fastener spacing as prescribed in the HardiePanel installation instructions and the
ESR-1844 or as governed by code.
•
Do not countersink or overdrive fasteners. Fasteners shall be flush with panel surface.
•
For ColorPlus products use an exposed stainless steel screw.
HardiePanel
Extruded Aluminum
Vertical “H” Trim
Extruded Aluminum
Horizontal Trim
Exposed Fasteners
TIP: Verify Project Specific Wind
Load Requirements for HardiePanel
Fastener Spacing – ESR-1844.
Smooth Panel
Expressed Vert. Joint Trim
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8” oc Vertically
16” oc Horizontally
Recommended Fastener Spacing
- HardiePanel –
Non-Traditional Design
* Unless Otherwise specified by the Engineer of Record
Master Drillers
Master One Steppers
Thermal Expansion Fasteners
TW-S 300
Series
HardiePanel
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Agenda
HardiePanel Vertical Siding Installation
- Horizontal Joint Treatment -
NOTE: ALL Horizontal
Flashing MUST be Cut-In
Behind the (WRB) WaterResistive Barrier.
In some applications such as multi-story structures or at gable ends, it may be
necessary to stack HardiePanel siding. ALL Horizontal Joints created
Between Panels MUST be Flashed Properly to Minimize Water Penetration.
Treat Horizontal Panel Joints by using one of the Following Methods:

After Installing the Lower Course of Panel Siding, Install Vinyl, Coated
Aluminum, or Coated Steel “Z” Flashing at the Top Edge of the Panel.
NOTE: ALL Horizontal Flashing MUST be Installed with Positive Slope - Sloping Away
from the Building & NOT Sitting Flat on the Top Edge of the HardiePanel
 Install the Second Course or gable panels Leaving a ¼”-in.
Minimum Gap between the Bottom of the Panel and the “Z”
Flashing. (This Gap Should NEVER be Caulked.)

As an Alternative, if a Horizontal Band Board is used at the
Horizontal Joint, Flashing MUST Extend Over the Panel Edge &
Trim Attachment.
HardiePanel
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HardiePanel Vertical Siding Installation
- Layout Options When Laying Out your HardiePanel Installation, there are Two (2) Layout Options.
These Two (2) Layout Options are:
1.
Item #1:
Center Panel Out
For the Most Symmetrical Look, Plan the Installation so
that a Full Panel is Centered on the Wall or Gable with
Equal-Size Panels Cut for Each End.
TIP: These strategies might entail a center-out framing layout.
Item #2:
Center Seam Out
TIP: Choose the strategy that looks the best and uses material
the most efficiently.
2.
As an Alternative – Plan the Installation so that a Full
Panel is located on Either Side of the Walls Center Line.
leaving Equal Size Panels on Each End.
HardiePanel
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HardiePanel Vertical Siding Installation
- Windows, Doors, & Other Wall Penetrations In Panel Installations, Trim is Typically Overlaid on Top of the Panels.
Special Attention needs to be paid to Trim Flashing at the Tops of the
Openings.
1 – Install ¼”-in. thick
Shim Over the Window
Below is One Method for Properly Flashing Trim in a Panel Application:
1.
After Installing the Window, Cut and Install a ¼”-in. Thick Shim above
the Window. The Shim should be the Same Height as the Trim, but only
as Long as the Width of the Window.
2.
Over the Shim - Install Flashing (wide
enough to cover the thickness of the trim &
long enough to cover the window head trim.)
Finished Installation
2 – Install
Flashing Over
the Shim &
Under the WaterResistive Barrier.
HardiePanel
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HardiePanel Vertical Siding Installation
- Windows, Doors, & Other Wall Penetrations Installation Continued…
4. Install the Trim around the Windows, Slipping
3.
Install the Panel to the Window & Around the Shim
(taking care not to damage the flashing). Leave a Min.
¼”-in. Gap between the Panel & the Horizontal Part
of the Flashing.
3 – Cut & Fit Panel around the Shim &
Flashing – Leave Min. ¼”-in. Gap Between
the Flashing & the Upper Panel Edge.
Cut & Fit
HardiePanel
the Head Piece Under the Installed Flashing.
4 – Install Window Trim Under the Flashing
HardiePanel
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HardiePanel Vertical Siding Installation
- Rain Screens Installation of HardiePanel Over Furring -
6” Reinforced Mesh Bug Screen
Rainscreen Requirements:
.089” x .221” x 2”
Siding Nail
 James Hardie REQUIRES a minimum 3/8” drained & ventilated cavity, to serve as a
capillary break, in the application of Multifamily and Commercial Construction.
 The Capillary Break shall be installed between the
Cladding and Code Approved (WRB) waterresistive barrier.
 Furring Fasteners MUST be designed to Support
Cladding Weight.
½” x 1.5” Pressure Treated
Plywood Strapping (Furring)
 Furring MUST be Attached Vertically and MUST be Adequately Fastened to the
Structural Framing with a suitable fastener.
 Furring shall be a minimum 3/8” thick and sized to provide
adequate substrate to cladding connection; a nominal 1.5” in
width would be the minimum.
TIP: James Hardie
Rainscreen Strapping (Furring)
Installed @ 16”-in. OC
Does NOT
Recommend
Drainage Mats or
Drainage Boards in
this Application.
Double Up the Strapping
(Furring) @ Trim Locations
HardiePanel
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HardiePanel Vertical Siding Installation
- Rain Screens Installation of HardiePanel Over Furring Fastener Requirements:
When installing James Hardie Siding Products over furring the question
arises what thickness of furring can be used as an alternate to normal
metal or wood studs specified in the ESR-1844 & 2290 Report?
 General Rule of Thumb is, the specific ESR-1844 & 2290 fastener
must be installed into material that has the same or better holding
power than that specified in the ESR-1844 &2290 and the same
penetration as the ESR-1844 & 2290 fastener.
Rainscreen
Strapping (Furring)
Installed @ 16”-in.
OC
Double Up the Strapping
(Furring) @ Trim Locations
HardiePanel
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Installation
Agenda
Please Reference the Installation Requirements found on:
Pages 111 – 113 in the US HZ5 Best Practices Guide Version 7.0
&
Pages 112 – 114 in the US HZ10 Best Practices Guide Version 7.0
&
Pages 94 – 97 in the Canada HZ5 Best Practices Version 6.2
Begin the
HardiePanel Installation Requirements
Knowledge Test
Installation Best Practices 6.2
KNOWLEDGE TEST RESULTS
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HardiePanel Installation Requirements:
1.
What is the correct method for treating a horizontal joint?
4.
a)
b)
c)
d)
Stack in moderate contact
Leave a gap and caulk
Use an “H” Trim
Install a vinyl or coated aluminum “Z” flashing at the top edge of
the panel.
What is the appropriate gap that should be left between a
panel and horizontal flashing.
a)
b)
c)
d)
¼” gap and no caulk
¼” gap with caulk
½” inch no caulk
No gap should be left
2.
It is acceptable to bridge floors with panel siding?
5.
All HardiePanel edges of must break on solid framing?
a)
b)
True
False
a)
b)
True
False
3.
What are the proper methods for treating vertical joints?
6.
a)
b)
c)
d)
e)
Butt factory ends in moderate contact
Leave an appropriate gap and caulk
Cover with batten strips
Use a metal or PVC “H” molding
All of the Above
The required fastening pattern for HardiePanel without a
structural engineer of record prescribing a project specific
fastening pattern is what?
a)
b)
c)
d)
12” oc vertically into structural framing
24” oc vertically into structural framing
16” oc vertically into structural framing
8” oc vertically into structural framing
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