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Hardie Trim-Over Installation Method

Cut time, cut costs, and boost profitability using the Hardie Trim-Over Installation Method, the most cost-effective way to install Hardie® siding and trim.

Less Hassle. Higher Profitability.

Using the score-and-snap technique, contractors reduce measurements and cuts, minimize downtime, and accelerate installation. By installing siding before trim, you eliminate most caulking—saving time, materials, and labor while increasing efficiency and profitability.

2026 Green Builder® Sustainable Product of the Year

The Hardie Trim-OverMethod is a 2026 Sustainable Product of the Year. Discover how this innovative technique reduces waste and saves time.

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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.

Benefits at a Glance

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Using the score and snap method, installers can stage and install siding without the need for precise measuring and cutting prior to installation.

Ready to level up your business?

Download the guide for resources, expert training and insights on how the Trim-Over™ Method can help grow your bottom line.

Statement Collection® Essentials

Learn more about Statement Collection® Essentials: a focused palette locally stocked in the Midwest and Northeast for streamlined project execution from order to install.

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The best build with the best

Join the James Hardie™ ALLIANCE, an exclusive contractor program offering rewards, expert training, and lead generation opportunities.