Fast and precise door frame installation without wedging!!!

Quick Overview

Key Features

Door Jamb Installation Video

Assembly Instructions

Operating Instructions

Frequently Asked Questions

Contact Information




The JAMBMASTER® is a well-built tool and efficient method for accurately installing door frames.  With it you can quickly install plumb and square door frames every time with consistently high quality results.  The JAMBMASTER® easily compensates for out of plumb openings and twisted trimmer studs.  Door frame installation has never been so easy and accurate.


Step #1

Position JAMBMASTER® in rough opening.

JAMBMASTERŽ Jig Installed in Door Opening

Step #2

Hot glue spacer blocks onto framing.

Router Guide With Block to be Trimmed

Step #3

Trim wood blocks.


Step #4

Remove JAMBMASTER® leaving trimmed blocks.


Step #5

Install door frame.


Start to finish in 7 minutes.

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