TECHNIQUES··5 min

Solid Surface for Public Art: Thermoforming Corian for Sculptural Form

Solid surface — Corian, HiMacs, Staron and their cousins — is a mineral-filled acrylic sheet that becomes pliable around 150 °C and welds invisibly to itself. For public art it solves three problems at once: weather resistance, monolithic form, and a finish that can be repaired in situ.

Why thermoforming matters

A sheet that bends without cracking and joins without a visible seam means an artist can specify a continuous compound curve — a wave, a wrap, a closed vessel — and we can deliver it as a single sculptural surface rather than a series of facets clad over a frame.

Our fabrication route

Most of our solid-surface work follows the same five-stage path:

  • CNC-rout the developed shapes from the sheet stock
  • Thermoform over a CNC'd tooling-board buck at 150–170 °C
  • Bond the seams with colour-matched adhesive, clamp and cure
  • Sand through the grits to the specified finish (matt, satin or gloss)
  • Install with concealed mechanical fixings and a touch-up kit for the client

When it is the wrong material

Solid surface is heavy, it is not structural at large unsupported spans, and direct impact will chip it. For pieces that need to take impact loads we move to fabricated stainless or GRP and reserve the solid surface for the visible skin.

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