- Height extender adds 60mm to deck jacks
- Simply screw in between deck jack base and joist support bracket
- Use with all deck jacks (except DJ-20 & DJ24 which cannot be used with extenders)
- 2 x extenders may be used adding up to 120mm in height – contact us for Certificate of Compliance information
- Extender is internally treaded at top with external thread at bottom allowing for easy and fast integration with deck jacks
