Heat Resistant Plaster System

VITCAS Heat Resistant Plaster System is a collection of high temperature resistant plasters and renders designed for use in ‘hole in the wall’, cassette stoves.


The heat resistance of our products is exceptionally high, thereby exceeding the ability of gypsum materials in being suitable for this system. Heat Resistant Plaster has a temperature resistance up to 650°C and Fireplace Render withstands temperatures up to 1400°C.

Our range

Vitcas offers Heat Resistant Plaster which can be used either on top of Vitcas Plasterboards or Construction Boards or it can be used as an outer layer on the Heat Resistant Render, where there is masonry already in place. Additionally, we supply the PVA Adhesive Sealer and a Plaster & Render Mixing Paddle.

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6 Items

  • Position
  • Product Name
  • Price
  1. VITCAS Heat Resistant PLASTER

    Heatproof Plaster is a smooth-finish plaster which provides robust protection against high temperatures up to 650°C / 1200°F. It is ideal for areas around cassette fireplace openings—often referred to as "hole in the wall" fires, inset stoves, and next to wood-burning stoves and range cookers, where walls experience intense heat exposure.

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    As low as £35.99 £29.99 Regular Price £47.99
  2. FR - Fireplace Render

    Fireproof Render is ideal for rendering brick, stone, concrete, and breeze block fireplaces and stoves. This base coat is designed to support the Vitcas Heat Resistant Plaster finish coat. It withstands temperatures up to 1400°C / 2550°F.

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    As low as £23.99 £19.99 Regular Price £35.99
  3. PVA - Adhesive Sealer

    VITCAS PVA Adhesive Sealer is an emulsion primer that should be utilised in conjunction with VITCAS Heat Resistant Products. High viscosity, water resistant and rapid drying material. To be used on fireboards, tiles and surfaces.

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    Special Price £8.39 £6.99 Regular Price £14.39
  4. Plaster & Render Mixing Paddle

    Plaster & Render Mixing Paddle is ideal for use with Vitcas Fireplace Render, Heatproof Screed, Heat Resistant Plaster and other Vitcas dry powder products. The paddle is for electric drills and for mixing water with the plasters and renders with it.

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    Special Price £7.19 £5.99 Regular Price £10.79
  5. High Temp Scrim Tape Plasterboard

    Heat Resistant Glass Fibre Plasterboard Scrim Tape is for use in conjunction with Vitcas Heat Resistant Plaster. The fibreglass self-adhesive tape is for joints and internal corners between plasterboards. The joints have a tendency to crack so they need to be taped and plastered over to secure it. 

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    Special Price £8.39 £6.99 Regular Price £11.99
  6. HT - High Temperature Plasterboard

    VITCAS High Temperature Plasterboard is a non-combustible fireproof board which does not contain any gypsum. Can be used with Vitcas Heat Resistant Plaster in areas where Vitcas Fireplace Render cannot be applied. Non-flammable rating A1 in accordance with EN 13501-1:2002. Fire and water-resistant, mould and mildew resistant.

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    Special Price £35.99 £29.99 Regular Price £47.99
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