Sika Pyroplast White Intumescent Paint 5kg

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£90.00 inc. VAT: £108.00

Sika Pyroplast Wood P is a white waterborne intumescent fire protection coating for timber which offers a EuroClass B-s1 d0 and British Standards Class 0/1 surface spread of flame on 10mm softwood/hardwood and 13mm composite woods. The intumescent coating protects the timbers by forming a carbon char layer over the surface of the timber. Coverage = 14.3m2 per 5kg

Pyroplast Wood P offers a ultra smooth white finish with no need for a topcoat except in the areas of high wear or moderate humidity. Pyroplast Wood P offer a EuroClass B-s2 do without a topcoat, if the Pyroplast Wood W Top Coat is applied the fire rating improves to a EuroClass B-s1 d0


Sika Pyroplast Wood P forms a carbon char when affected by heat as it uses a water based fire protection coating intended for internal use.

Coverage = 14.3m2 per 5kg (This allows for 2 coats)

Sika Pyroplast Wood P slows the combustion of both natural and composite woods, providing fire retardancy protection.

Sika Pyroplast Wood P emphasizes the interior design of timber structures and therefore is an attractive option to architects, builders and end-users.


Lessens the combustibility of hard- and softwood > 10 mm thickness and other timber by-products, such as plywood, chipboard, fibre insulation board, hardboard and also on veneering > 13 mm thickness.

Shields against heat, checks fire, restricts the generation of fire and spread of flame and reduces flue-gas temperatures.

Sika Pyroplast Wood P should not be used in areas of high humidity, heat sources or on surfaces where significant physical impact is likely.


Water based coating system

VOC Sika Pyroplast Wood P: 0 g/l

VOC Silka Pyroplast Top W: approx. 48 g/l

Free of Halogens and aromatic solvents

Low material consumption

Simple application

No additional statical load of coating

Individual coloration possible with topcoat Silka Pyroplast Top W



Sika Pyroplast Wood P is classified to many standards worldwide including EN 13501-1, Bs1d0.


Colour Shades:

Sika Pyroplast Wood P: white, black on inquiry

Sika Pyroplast Top W: White, available in all RAL colours on request


Sika Pyroplast Wood P: 5 kg and 25 kg, net weight

Sika Pyroplast Top W: 3 l and 11 kg, net weight

Imdg-Code-No Not applicable

SHELF LIFE 18 months, in cool and dry storage conditions and original unopened containers.

Expiry date is noted on the label of each tin.

Protect against frost.


Mass Density:

Sika Pyroplast Wood P:  approx. 1.29 g/cm3 at 20° C

Sika Pyroplast Top W:  approx. 1.26 g/cm3 at 20° C

Solids By Weight:

Sika Pyroplast Wood P:  approx. 65% (according to EN ISO 3251)

Sika Pyroplast Top P:  approx. 52% (according to EN ISO 3251)

Flash Point:

Sika Pyroplast Wood P: not applicable

Sika Pyroplast Top W:  not applicable

Material Consumption:

  • 1 x120g/m2 Sika Pyroplast Wood P Primer (if necessary)
  • 1 x>350g/m2 Sika Pyroplast Wood P


  • 1 x120g/m2 Sika Pyroplast Top W

These consumption rates refer to the classification acc. to  EN 13501-1, Bs1d0

B   EN 13823 FIGRA ≤ 120 W/s and LFS  < edge of specimen and THR600s ≤ 7,5 MJ


EN ISO 11925-2 Exposure = 30s Fs < 150mm within 60 s

s1   SMOGRA ≤ 30 m2 / s2 und TSP 600s ≤ 50 m2

d0 No flaming droplets/particles in EN 13823 with 600 s; If consumption rates for alternative standards are requested, please consult the Technical Department of Sika Deutschland GmbH.

Not suitable for use on all woods. Please contact us for more details.


Coating Systems: 

Primer (if necessary), Sika Pyroplast Wood P Primer

Intumescent coating, Sika Pyroplast Wood P

Topcoat, Sika Pyroplast Top W

Surface Preparation:

Substrate must be dry, free from dust, oil, wax, grease, dirt, resin, etc; Existing coatings with poor adhesion have to be completely removed, e.g. with solvent-based paint stripper or to be rubbed down. Surfaces that have been treated with non-acid resistant coatings or release agents such as emulsion paints containing lime, chalk or lithopone should be rubbed down completely. Timber substrates with wetting difficulties should be roughened thoroughly with abrasive paper.

Pre-Treatment with Wood Preservatives:

If resistance to wet rot, fungi or insect attack is requested, we recommend using commercial preservative agents based on oil alkyd resins provided they are compatible with the Sika Pyroplast fire protection system. Apply Sika Pyroplast fire protection coating system only after the preservative treatment is completely dry. The moisture content of the timber should be below 15%. Sika Pyroplast Wood P Primer may be used to allow sufficient adhesion or avoid diffusion of wood ingredients on resinous wood.

Preparation of Material:

Stir thoroughly, free of lumps.

The method of application has a major effect on achieving uniform thickness and appearance. Spray application will give the best results. The indicated dry film thickness is easily achieved by airless spray. In case of an application by roller or brush, additional layers may become necessary to achieve the required coating thickness, depending on type of construction, site conditions, colour shade etc. Prior to application, a trial on site may be useful to ensure that the selected application method will provide the requested results.

Airless Spraying:

  • Material shall be applied undiluted
  • Airless spray equipment with pressure ratio ≥ 30:1
  • Filters should be removed
  • Hose diameter not below 3/8 “
  • Whipline 1.5 – 2 m, NW 6, may be used

Recommended nozzle sizes for each product are as follows:

  • Sika Pyroplast Wood P Primer: 0.27 – 0.34 mm or 0.011 – 0.017 “
  • Sika Pyroplast Wood P: 0.34 – 0.64 mm or 0.017 – 0.025 “
  • Sika Pyroplast Top W: 0.27 – 0.56 mm or 0.011 – 0.023 “

Above data shall be used as a guideline with variations being made to suit local conditions.

Brushing and Rolling:

  • Material shall be applied in supply viscosity
  • Load natural fine bristle brushes or short pile lambswool rollers are recommended

Application Conditions: 

Sika Pyroplast Wood P Primer, Sika Pyroplast Wood P and

Sika Pyroplast Top W: Object temperature not below + 10° C, to max. +40° C*

Relative humidity max. 80%

Application temperature shall be at least > 3 K above dew point.

In case relative humidity exceeds 80% special measures must be taken to prevent the condensation forming while application.

At high moisture content of the timber (>15%), the coating is unlikely to dry satisfactorily and blooming may result. Therefore the moisture content of the timber should be, as near as possible to the level it will stabilise at in use.

*If higher temperatures occur, please consult the Technical department for further assistance.


At approx. + 20° C temperature and 60% relative humidity.

Sika Pyroplast Wood P Primer: 

  • Touch dry: after approx. 3 hours.
  • Overcoating: after approx. 6-8 hours.

Sika Pyroplast Wood P:

  • Touch dry: after approx. 6 hours.
  • Overcoating: after approx. 48 hours with Sika Pyroplast Top W.

Sika Pyroplast Top W:

  • Touch dry: after approx. 2 hours.
  • Fully dry: after approx. 24 hours.

Different temperature and relative humidity’s have an influence on drying time.

Ensure that the previous coat is being fully dry, prior overcoating is carried out.


Immediately after use with water.


EU-Directive 2004/42/EC (Decopaint-Directive)

The maximum allowed VOC content acc. to EU-Directive 2004/42/EC (product class IIA / g, type Wb) in the ready for use material is 30 g/l (limit 2010).

The maximum VOC content of Sika Pyroplast Wood P Primer is 20 g/l VOC.

The maximum allowed VOC content acc. to EU-Directive 2004/42/EC (product class IIA / i, type Wb) in the ready for use material is 140 g/l (limit 2010).

The maximum VOC content of Sika Pyroplast Wood P is 0 g/l VOC.

The maximum allowed VOC content acc. to EU-Directive 2004/42/EC (product class IIA / i, type Wb) in the ready for use material is 130 g/l (limit 2010).

The maximum VOC content of Sika Pyroplast Top W is < 48 g/l VOC.

Value Base

All technical data stated in this description are based on laboratory tests. Actual measured data may vary due to circumstances beyond our control.

Local Restrictions

Please note that as a result of specific local regulations the performance of this product may vary from country to country. Please consult the local Product Data Sheet for the exact description of the application fields.

Health and Safety Information

Information on the safe handling of chemical products, as well as the essential physical, safety-related, toxicological and ecological data can be found in the current safety data sheets. Observe all relevant regulations, e.g. the hazardous substances act. Further notes and information data sheets on product safety and disposal can be found on the Internet at

Legal Notes

The information, and, in particular, the recommendations relating to the application and end-use of Sika products, are given in good faith based on Sika’s current knowledge and experience of the products when properly stored, handled and applied under normal conditions in accordance with Sika’s recommendations. In practice, the differences in materials, substrates and actual site conditions are such that no warranty in respect of merchantability or of fitness for a particular purpose, nor any liability arising out of any legal relationship whatsoever, can be inferred either from this information, or from any written recommendations, or from any other advice offered. The user of the product must test the product’s suitability for the intended application and purpose. Sika reserves the right to change the properties of its products. The proprietary rights of third parties must be observed. All orders are accepted subject to our current terms of sale and delivery. The most recent product data sheet applies. This can be requested from us or is available to download at Please check the availability of local product data sheet at your local website. In cases of doubt the German text is valid.


The information displayed about the products on this website is to be used for guidance ONLY. We advise that all customers contact our technical department to obtain a free no obligation specification and quotation before purchasing goods directly from the website.

Products purchased directly from our website without specification will NOT qualify for certification.

Please be aware that any negligence caused by failure to obtain the relevant advice, or availment of our specification and estimation service, will absolve International Passive Fire Ltd from any liability should Passive Fire Protection Products prepared, or used, by the purchaser, or any other parties, result in damage to property or human life, or for any monetary costs incurred due to incorrect usage.


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Data Sheets

  • What finish does Pyroplast achieve?
    The Pyroplast Wood T and Wood P systems both achieve a matt finish.
Fire Rating


Coating Type