Trim-Over™ Installation Method
The Trim-Over™ Installation Method was designed to minimize waste, reduce resource consumption, and streamline the installation process.Trim-Over™ Installation Method
Trim-Over™ Installation Method
Cut time, cut costs, and boost profits. This innovative approach installs siding first and trim last, using a score-and-snap technique that reduces measurements, minimizes cuts, and reduces most caulking. The result? Faster installs, lower material costs, and increased efficiency and profitability on every job.Benefits at a Glance
Using the score and snap method, installers can stage and install siding without the need for precise measurements and much of the cutting prior to installation.
Trim covers cut edges—less caulking is needed. Save on materials, callbacks, and labor.
Installation studies demonstrate a 30% average increase* in installation rate compared to butt-to installation.
*Average installation rated determined using a standardized wall design. Actual installation rates will vary based on wall complexity and installation crew experience.
Contractor Testimonial: How Trim Over™ Method Boosted Efficiency & Sales
See how Cousins Roofing, Siding & Decks transformed their business with the James Hardie Trim Over™ Method.
2026 Green Builder® Sustainable Products of the Year
The Trim-Over™ Installation Method by James Hardie is a 2026 Sustainable Product of the Year. Discover how this innovative technique reduces waste and saves time.
The Trim-Over™ Difference
The score and snap method delivers the installation ease of vinyl siding while maintaining the durability of fiber cement - something wood-based siding can't match.
Ready to level up your business?
Download the guide for resources, expert training and insights on how Statement Collection® Essentials and the Trim-Over™ Method can help grow your bottom line.
