The Split Jamb System

The Smarter Way to Fit Interior Doors

Designed and refined by Fit Easy Doors, the Split Jamb Pre-Hung Door System revolutionises how interior doors are installed. Built with speed, simplicity, and precision in mind, this system allows you to achieve a professional finish in minutes, with no need for complex tools or messy on-site trimming.

Whether you're working on a new build, renovation, or large-scale project, our split jamb solution ensures every door fits fast, clean, and true.

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Smarter Installation

Perfect Fit. Every Time.

With decades of experience behind us, we’ve created a system that allows doors to be installed in under 15 minutes — no mess, no fuss.
Whether you’re a builder, developer, or renovator, our Split Jamb System is engineered to save you time on site while delivering a flawless finish.

About Split Jamb

What is a Split Jamb System?

Our FED (Fit Easy Door) system features a door jamb that splits neatly into two halves, allowing for a quick wraparound installation over any finished wall. This innovation ensures a snug, consistent fit — especially ideal for projects with tight timelines and multiple installs.

Key Benefits:

Fast to install:  A split jamb takes less than 15 minutes to install, compared to an hour to hang a flat jamb door.

No wastage:  The stop and architrave are pre-fitted to the jamb in our factory, so no cutting or measuring is required on site.

Less chance of damage: The split jamb door is hung after the gib stoppers, making it less prone to damage.

Reduces labour costs:  Due to the quick installation of the door, labour costs can be significantly reduced.

Adjustable jamb:  Our standard split jamb can accommodate wall thicknesses from  110 to 119mm, and can be customised for
over- and undersized jambs to suit special wall thicknesses.

Customisation:  The split jamb can be fitted with a wide selection of architraves to match your design style.

✔ Designed for New Zealand homes and construction standards

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