Custom design your Downunder hidden trap door the way you want.
We've taken the best of the lid & frame and you can build out the roller as you see fit. Simply add your own roller.
You can retro fit to any decked area and use your own roller with the Downunder Lid and frame hidden trap door unit.
Amazing quality built from 316 stainless and marine grade aluminium. Simple to install and a basic joist set out.
No need to over-design or over-engineer a cover pit area / void.
Simply Fix the Downunder off in minutes once the preparation is complete.
Finger lift lid that is safe and light weight.
Unsure on the detail, give Justin a call 02102332600 or send your plans to firstname.lastname@example.org
GDT114mm Stainless gear drive roller 2:1 gearing HERE
SSW 114mm Stainless T bar roller HERE
Upgrade to the complete Downunder hidden roller - In deck roller unit HERE