How do I measure and install an internal door jam
Hello @Terrie
Welcome to the Bunnings Workshop community. It's sensational to have you join us, and thanks for sharing your question about installing a door jamb.
I suggest having a quick look at the guides I've placed below. They are a fairly comprehensive overview of the steps involved. After reading through them, please let us know if you have any additional questions regarding installation and we'll be more than happy to answer any questions.
If you need further assistance, please let us know.
Eric