Davis Underfloor Trunking System is designed for the distribution of power, voice and data services in floors where the trunking is buried in the screed. This system provides the simplest and most economical method of carrying services to feed a grid of outlet installations and can be used to integrate with perimeter or surface trunking systems. 

The Davis Underfloor Trunking System consists of the following components:

  • uPVC Underfloor Trunking
  • Vertical Access Boxes
  • Service Outlet Boxes
  • Metal Underfloor Trunking
  • Junction Boxes
  • Pedestal Boxes


It is recommended that underfloor trunking is set on a rough slab and covered with screed. The minimum overall depth of screed is determined by the depth of trunking plus an allowance of 25mm of screed over the trunking. To reduce the possibility of screed cracking, it is recommended that a reinforcing agent be placed over the trunking for additional strength to the screed.


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