# Cavity Units – Evolution Timber Custom Size up to 2340×919

Source: https://www.timberdoorsdirect.com.au/door/cavity-units-evolution-timber-custom-size-up-to-2340x919/

■ Cavity Units are recommended for 35mm doors only.

 

FEATURES:

 

- Smooth 4 Wheel Ball Bearing Carriages
- Jump free U track – Smooth operation
- Quick release mechanism
- Maximum door mass 70kg
- Same architrave height as a hinged door
- *Available in plain or H3 treated timber