The Hartman Pet Door Height Extension Piece increases the height of your Hartman Large Pet Door by 65mm. Multiple extensions can be added to suit most door heights.
The Hartman Pet Door Height Extension Piece increases the height of your Hartman Large Pet Door by 65mm. Multiple extensions can be added to suit most door heights.
in 2 offers
The lowest price for Hartman Height Extension Piece - for Hartman Large Silver Pet Door Only right now is $23.26 at Bunnings Warehouse, compared across 2 retailers.
The all-time low was $23.26 on 31 July 2025. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 13 May 2026.
Hartman Height Extension Piece - for Hartman Large Silver Pet Door Only
The Hartman Pet Door Height Extension Piece increases the height of your Hartman Large Pet Door by 65mm. Multiple extensions can be added to suit most door heights.
The Hartman Pet Door Height Extension Piece increases the height of your Hartman Large Pet Door by 65mm. Multiple extensions can be added to suit most door heights.
Last updated at 13/05/2026 21:11:21
Hartman Height Extension Piece - For Hartman Large Silver Pet Door Only
Delivery $10
Hartman Height Extension Piece - For Hartman Large Silver Pet Door Only
Free next-day delivery
originally posted on bunnings.com.au
Does what it’s meant to. Extend the height
originally posted on bunnings.com.au
Works well - easy to install and use
originally posted on bunnings.com.au
Great if your space is a little taller than normal door height.
Hartman Height Extension Piece - For Hartman Large Silver Pet Door Only
Delivery $10
Hartman Height Extension Piece - For Hartman Large Silver Pet Door Only
Free next-day delivery
Does what it’s meant to. Extend the height
Works well - easy to install and use
Great if your space is a little taller than normal door height.
Easy to attach to the Hartman Pet Door and sturdy.
Fitted perfectly and made the door the right height
Initial height of the door required 6 extension pieces to fit my door - ended up being quite expensive.
The extension is way to small. There should be a smaller and larger option. I had to buy 8 for it to fit with my door! This ended up costing me about $400 for the whole door with the extensions!
