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Thermoguard Fire Varnish 30 & 60 Minute System

£157.00
excl tax

Thermoguard Fire Varnish 30 & 60 Minute System is a clear intumescent varnish for interior and exterior timber surfaces. Each pack contains the correct amount of basecoat (Fire Varnish Basecoat) and topcoat (Fire Varnish Overcoat (Interior) / (Exterior)) to ensure protection is achieved inline with the manufacturers recommendations to the respective area in question.

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Thermoguard Fire Varnish 30 & 60 Minute System is a clear intumescent varnish for interior and exterior timber surfaces. These packs have been created to help users ensure they are purchasing sufficient product for their project. Each pack contains the correct amount of basecoat (Fire Varnish Basecoat) and topcoat ( Fire Varnish Overcoat (Interior) / Fire Varnish Overcoat (Exterior)) to ensure protection is achieved inline with the manufacturers recommendations to the respective area in question.

Each component of the packs can still be purchased individually if required here: Thermoguard Fire Varnish Basecoat.

 

Pack Contents

  • 6.5m² Pack (Int/Ext. Spec.) = 1 x 20m² Fire Varnish Basecoat + 1 x 20m² Fire Varnish Overcoat (Exterior)
  • 20m² Pack (Interior Spec.) = 3 x 20m² Fire Varnish Basecoat + 1 x 20m² Fire Varnish Overcoat (Interior)
  • 20m² Pack (Exterior Spec.) = 3 x 20m² Fire Varnish Basecoat + 2 x 20m² Fire Varnish Overcoat (Exterior)

 

System

  • Apply 3 coats of Thermoguard Fire Varnish Basecoat @ 20m² per 20m² pack/per coat

 

Followed by either;

  • Internal Applications: 1 coat of Thermoguard Fire Varnish Overcoat (Interior) Matt or Satin
  • External, Damp or High Wear Applications: 2 coats Thermoguard Fire Varnish Overcoat (Exterior) Matt or Satin

 

To achieve 30 & 60mins + EN Class B s2 d0 and BS Class 1/0 minimum thicknesses apply of which approval must be sought before purchase.

A gloss finish is available in both interior and exterior versions in batch quantities for large projects.


IMPORTANT - The below information from the manufacturer must be read and referred to your relevant authority for approval BEFORE purchase and use.

We have an indicative 30min Fire Test at a UKAS Fire Test Laboratory demonstrated 10mm loss to charring on plywood & MDF.

Our Fire Varnish BS EN Class B Test indicates that softwood did not burn significantly for the 20mins test duration and our previous Class O Part 6 Fire Propagation test indicates that protected softwood did not burn within the 10 minutes test duration.

Further in-house testing indicated that when applied at three times the Class B & Class O specification Fire Varnish intumescent added a total of 20 minutes Fire Resistance.

We assess projects requiring 30 or 60mins Fire Resistance on an individual basis, referring to the TRADA Char Rate Tables and calculated residual timber to ascertain whether we could issue a Fire Certificate for the project. A written specification should be obtained from the Technical Department for your project prior to use to ensure this system will be suitable. 

In order to enable us to issue a 30 minutes Fire Certificate in the case of softwood the surface must be able to afford the loss of 8mm depth from all surfaces exposed to a fire. For 60 minutes we assess based on 30mm loss during the fire.

For oak or similar woods the loss to take into account is 5mm for 30mins and 17mm for 60mins.

In other words, the residual timber should be adequate to in the case of:

  1. Underside of a floor to support the anticipated weight load on the floor.
  2. A timber ceiling under-drawing a floor and joists can be treated as sacrificial but should have protected the area above to 30mins
  3. A timber wall should still be able to support itself without the fire passing through to the area the other side.

Timber must be clean and thoroughly dry prior to application (maximum 18% moisture content).

To achieve 30 & 60mins + EN Class B s2 d0 and BS Class 1/0 minimum thicknesses apply of which approval must be sought before purchase.

Files
Fire Varnish Basecoat Activator Download
Fire Varnish Basecoat Base Download
Fire Varnish System Data sheet Download
Fire Varnish Overcoat (Interior) Download
Fire Varnish Overcoat (Exterior) Download
Fire Varnish Overcoat (Exterior) Download

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