VulcaTuf® rainscreen cladding panels

Vulcatuf GRP rainscreen cladding panel


VulcaTuf® rainscreen cladding panels are made from GRP which are laminated with woven glass reinforcement for higher impact resistance and reduced thermal movement. Complies with BS 5544: Resistance to manual attack and BS 6206: Impact performance of safety plastics.

Face sizes: Up to a maximum 5000 x 1530mm, single or double-sided panel

Thicknesses: From 2mm to 8mm, depending on panel fixing centres

Weight: 1.8kg/m2 per mm thickness

Finishes: Smooth matt surface or anti-vandal textures. Cladding panels are pigmented throughout the laminate to all BS 4800 colours.


VulcaTuf® cladding panels have an external coloured isophthalic gel coat (for good chemical and weather resistance) backed with polyester resin and special glass fibre reinforcement.

Performance data

  • Modulus in bend 15GN/m
  • Tensile strength 1250MN/m
  • Fire rating to Building Regs Class 0-3
  • Thermal conductivity K= 0.2W/mK
  • Thermal transmittance (6mm) [break]U= 5.36W/m2K
  • Temperature range –30ºC to 100ºC
  • Thermal expansion 30 x 10-6
  • Weatherability high resistance
  • Lightfastness: to BS1006: 1990
  • Fixing centres: support spacing – please enquire


Rainscreen & façade cladding:

Secret fix using SikaTack® cladding adhesive bonded to aluminium ‘helping hand’ support framing or aluminium sections direct fixed to masonry.

Face fix using stainless steel facade screws, powder coated to suit; fixed to treated timber framing and EPDM gaskets or aluminium as above.

Bridge & balcony infill:

Continuously glazed with welded steel angle support frame, and glazing angle.

Continuous steel support VulcaTuf® can be directly riveted to steel – thinner panel needed.
Bolt to steel lug/plate VulcaTuf® can be directly bolted/riveted to steel lugs giving an open balustrade.



VulcaTuf® panels should require no maintenance, except cleaning, in the first 30 years of life. To ensure panels are maintained in good condition, bi-annual cleaning using warm soapy water is recommended. Panels unaffected by sunlight apart from slight mellowing. 10 year warranty against significant colour change.


Panels unaffected by sunlight apart from slight mellowing. 10 year warranty against significant colour change.

union jack
Vulcatuf anti vandal GRP rainscreen cladding panel
Vulcatuf anti vandal GRP cladding panel
Sika rainscreen test certificate