Hardie™ Trim-Over™ Installation Method
Cut time, cut costs, and earn more using the Hardie Trim-Over™ Installation Method, the most cost-effective way to install Hardie® siding and trim.
What is the Trim-Over™ Method?
With the Hardie Trim-Over™ Method, pros install siding before trim, which eliminates most caulking - saving time, materials, and labor while increasing efficiency and profitability.
How does it work?
Watch our installation videos to learn how to install the Trim-Over™ Method using these simple steps:
Run plank off the wall edge and fasten
Score-and-snap plank at the wall edge
Pre-build corner trim
Fasten corner trim to the wall
Access tools and training to get started
Get exclusive access to essential resources to help you implement the Trim-Over™ Method, including the installation guide, training presentations, and how-to videos.
Why pros are choosing the Trim-Over™ Method
30% increase
in average installation rate has been demonstrated in installation studies compared to butt-to installation.
Lower costs
Trim covers cut edges—less caulking is needed. Save on materials, callbacks, and labor.
Increased productivity
Score-and-snap lets crews stage and install siding with less precise measuring or cutting.
Contractor Testimonial: How the Hardie™ Trim-Over™ Method Boosted Efficiency & Sales
See how Cousins Roofing, Siding & Decks transformed their business with the Hardie™ Trim-Over™ Method.
Get hands-on installation support
Receive hands‑on training experience that helps make your jobs with Hardie® products faster, easier, and more profitable. Get connected with the James Hardie sales team to see if there is a Hardie™ Pro Lab event in your area.Connect with a sales repGet everything you need to start installing
Access the tools and resources need to implement the Trim-Over™ Installation Method, plus connect with a sales rep for hands-on support and expert guidance.
