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January 2021

8th February 2021

Castellation System - CS

Elth Castellation System

A CWCT tested system that offers unlimited castellated design options.

CSN - Castellation System Narrow

CSW - Castellation System Wide

CSV - Castellation System Varied

CSS - Castellation System Step

All our rainscreen systems have been independently tested and accredited to the specific requirements of CWCT and come in an unrivalled choice of materials, colours and finishes to help you bring your design to life.

Castellation Types

A completely new rainscreen cladding product range.

Something new and superior to current systems on the market.

Something beautiful and unique that brings the building to life with the peace of mind that testing provides.

  • Finish - PPC, Pre-Paint, Anodised, Corten, Rimex
  • Plank Lengths 6400mm max (dependant material availability)
  • Horizontal Joint - Open or Butt strapā€¢ Thickness - Max of 2mm
  • Fixing - Self Drill mechanical fix
  • Fixing centres - 300mm max
  • Install method - Overlap right over left or vice versa
  • CWCT tested with Hilti-Eurofox


St Albans Leeds

A new student residency for Select Property Group as part of the Vita Student Brand.

This RIBA Regional Award Shortlist Project 2020 consists of a 19-storey development comprising 380 student rooms/studios. The appearance of the building involves a woven pattern of castellated aluminium and glazed ceramic tiles. An exemplar social focus for student housing. Utilising our CWCT accredited Castellation system, 2mm PPC Aluminium.


St Albans Place, Leeds


Feilden Clegg Bradley Studios

project valuematerial & finish

2mm Aluminium PPC

1305 Hedon Road 01482 320 336

Eltherington Group Website (