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Calsitherm Climate Board Smooth Finishing Plaster

Stock code: KSP

Calsitherm Climate Board Smooth Finishing Plaster

Smooth finishing plaster for use on Calsitherm climate boards

30kg Bag
£55.50

Excl VAT

£55.50

Excl VAT

In Stock: Usually delivered within 3-4 working days
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I need m2 of Calsitherm Climate Board Smooth Finishing Plaster
  • Product Overview
  • Technical Details
  • Installation guide

Main purpose

Provides a smooth finish that’s ready for painting on Calsitherm Climate Boards.

Use it on

Calsitherm Climate Boards, Soffit and Tapered Climate Boards.

Overview

Smoothing plaster is the final step to complete a Calsitherm Climate Board installation.  Calsitherm Smoothing Plaster is fully compatible with the entire Calsitherm system and provides a smooth and pleasing aesthetic appearance to the finished insulation boards. It is a breathable lime based plaster suitable for painting with natural breathable paints.

Where to use it

Calsitherm Smoothing Plaster can be used on Calsitherm Climate Boards, Soffit Boards and Tapered Boards.

What it does

This Calsitherm plaster has excellent adhesion to Calsitherm’s range of Climate boards. Calsitherm boards are pre-primed and ready for plaster to be applied. Calsitherm Smoothing Plaster provides a smooth final finish that can be painted with natural breathable paints like Auro. Calsitherm Smoothing Plaster is lime-based and breathable (vapour diffusion open) so ensures the performance of the Calsitherm Climate Boards underneath is optimised.

Why we love it

Calsitherm Smoothing Plaster completes the wall and makes the insulation and moisture control system invisible. It helps ensure the building performance is improved without affecting the appearance of the wall in any way. The plaster is alkaline (like the Climate Boards) so this also inhibits mould growth.

No primer is required and the smoothing plaster only needs two coats. This helps speed up the installation and completion of a Calsitherm System installation and makes it a popular choice with plasterers and skilled self-builders. 

Features

  • Beautiful surface finish
  • Breathable
  • Mould resistant
  • Easy to mix & apply

Benefits

  • Smooth plaster gives a pleasing surface texture and appearance.
  • Assists in the free movement of moisture vapour through the wall and building envelope completing the Calsitherm system.
  • Is lime-based so the alkalinity helps prevent mould developing on the surface. 
  • Just add water, the plaster is easy to mix and apply.


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Technical Details

30kg Bag

Key Technical Data

30 kg
Internally
Yes
White
Calsitherm Climate Board

Technical Datasheet

Material Safety Datasheet (MSDS)

Declaration of Performance (DOP)

System Brochure

Installation Guide

How to Install

One 30kg bag of Smoothing Plaster should be mixed with 12 litres of fresh water and mixed for at least 3 minutes.

Installed Climate Boards should be left for at least 24 hours before applying a finishing plaster. This allows the adhesive mortar used on the boards to be fully dry before any further work begins. Application of the finishing plaster should be done when the temperature is above 5°C.

Apply the first 1-2mm layer of plaster followed by Calsitherm Reinforcing Mesh. The mesh should have a 4.2mm x 4.2mm mesh size. The mesh prevents cracks forming during drying and over time and ensures the best final result. Once the first coat begins to dry and has lost its wet shiny appearance, the final 2mm skim coat can be applied.  

Finishing plaster applied to a thickness of 4mm with reinforcing mesh exposed.
Finishing plaster applied to a thickness of 4mm.

Hints & Tips

The plaster dries quickly. It should not be smoothed once it has started to dry. If the surface is uneven, it can be sanded flat (once fully dry) to leave a perfect finish.

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