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Thermoguard Fire Varnish Basecoat

Verified by manufacturer 6 months ago

Thermoguard UK Ltd

Clear, two-component fire protection basecoat for Thermoguard fire varnish systems.

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Application

For use under Fire Varnish Overcoat Matt and Satin and Fire Varnish Exterior 2K Overcoat Matt and Satin.

Description

The Thermoguard Fire Varnish Basecoat is a two-component, water-based product consisting of a base and activator. This clear, intumescent varnish is to be paired with either a Thermoguard Interior Fire Varnish Overcoat or Exterior Varnish to provide additional protection against UV radiation and wear.


Thermoguard Fire Varnish Basecoat provides the intumescent fire protection for the Thermoguard Fire Varnish Systems. The Thermoguard Fire Varnish Basecoat comes with options for internal and external fire protection of timber and timber derived substrate.


Features and benefits:

  • Available in a pack size of 20 m².
  • Compliant with BS EN 13501, B-s2,d0 standards.
  • Can be used as part of a system to achieve 30 or 60 minute fire resistance.
  • The formula provides tough and durable finishes for internal and external wood surfaces. It enhances the wood while offering fire protection to new/ bare surfaces and previously varnished substrates.
  • When exposed to fire, Thermoguard Exterior Fire Varnish expands to create an insulating barrier, protecting timber surfaces from flames, heat and oxygen and suppressing emission of deadly smoke and gasses.
  •  Certificate of supply available when used over Thermoguard Fire Varnish Basecoat.


Application:

  • Cover, countersink and fill, or use non-ferrous, galvanized, stainless or sherardized fittings.
  • Ensure surfaces are dry, clean and free of all contamination.
  • Varnished, sealed or non-porous wood should be abraded thoroughly with medium grade silicon carbide abrasive when dry to provide a good key. 
  • Thermoguard Fire Varnish Basecoat should only be applied to dry wood, with dry conditions during application.

General information

Color

Clear

Finish

Matt

Satin

Material

Water-based

Shape

Formless

Length

Bespoke

Width

Bespoke

Height

Bespoke

Uniclass

Pr_35_31_68_29 Flame-retardant coatingsPrimary
Pr_35_31_68_15 Clear varnishes

CAWS

M60/172 Flame-retardant coating system

M60/195 Special coating

M60/175 Protective coating

M60/160 Decorative woodstain/ varnish/ preservative

M60/16 Decorative wood stain/ varnish/ preservative

M60/19 Flame-retardant coatings

M60/18 Special coating

Specification data - Flame-retardant coatings

Reaction to fire rating (indicative)

To BS EN 13501, B-s2,d0.

Solvent

Water-based.

Colour

Clear.

Finish

Matt.

Satin.

Drying time

Overnight.

Guidance for specification option:

Once the basecoat has dried in good conditions the basecoat remains ideal to overcoat for a further four days. Thereafter, the basecoat becomes gradually harder, until it reaches a point where the overcoat may not obtain a good bond. Thermoguard therefore recommend overcoating when basecoat is dry, within the following four days in good conditions.

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