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Thermoguard Fire Varnish BS Class 1/0 & EN Class B System Packs
  • Thermoguard Fire Varnish BS Class 1/0 & EN Class B System Packs

Thermoguard Fire Varnish BS Class 1/0 & EN Class B System

FV10B

Thermoguard Fire Varnish BS Class 1/0 & EN Class B s2 d0 System is a clear fire retardant varnish for interior and exterior timber surfaces.

ADVANTAGES

  • Clear or stained finish
  • Tough/Durable system
  • UV and wear protection (Matt or Satin sheens)
  • Enhances natural beauty

Colour
  • Current colour: Clear
Choose a colour
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  • Clear
  • White Low
  • White Medium
  • Light Oak
  • Teak
  • Pine
  • Ebony
  • Dark Oak
  • Walnut
  • Rosewood
  • Mahogany
  • Grey
Size
Finish
£158.00
£142.20 Save 10%
VAT excluded

£170.64 Tax incl.
Quantity

Description

Thermoguard Fire Varnish BS Class 1/0 & EN Class B s2 d0 System

Thermoguard Fire Varnish BS Class 1/0 & EN Class B System is a clear fire retardant 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) to ensure protection is achieved inline with the manufacturers recommendations to the respective area in question.

The Thermoguard Fire Varnish system is specially formulated to provide a tough, durable finish to internal and external wood. Clear or stained finishes enhance the natural beauty of the wood while fire protecting surfaces. The Fire Varnish Overcoat in Matt or Satin finishes provide protection against UV and wear.

When exposed to fire, the Thermoguard Fire Varnish system expands to create an insulating barrier, protecting timber surfaces from flames, heat and oxygen and suppressing emission of deadly smoke & gasses.

Recommended Uses

  • Beams/Joists
  • Walls
  • Ceilings

Each component of the packs can still be purchased individually if required here: Thermoguard Fire Varnish Basecoat and here: Thermoguard Fire Varnish Overcoat (Interior) or Thermoguard Fire Varnish Overcoat (Exterior)

Pack Contents

  • 20m² Pack (Interior Spec.) = 1 x 20m² Fire Varnish Basecoat + 1 x 20m² Fire Varnish Overcoat (Interior)
  • 20m² Pack (Exterior Spec.) = 1 x 20m² Fire Varnish Basecoat + 1 x 20m² Fire Varnish Overcoat (Exterior)

Specification and Application

To BS Class 1 and Class 0 Surface Spread of Flame as well as BS EN Class B s2 d0 (for 30 or 60 minutes Fire Resistance see Thermoguard Fire Varnish 30 & 60 Minute System)

Prepare and apply – (INTERIOR)

  • 1 coat of Thermoguard Fire Varnish Basecoat
  • 1>4 days after Basecoat is dry, apply 1 coat of Thermoguard Fire Varnish Overcoat (Interior) Matt or Satin Clear or 2 coats of Thermoguard Fire Varnish Overcoat (Interior) Matt or Satin Woodstain Colour.

Prepare and apply – (EXTERIOR, DAMP, HIGH WEAR AREAS or FRUITWOODS)

  • 1 coat of Thermoguard Fire Varnish Basecoat
  • 1>4 days after Basecoat is dry, apply 2 coats of Thermoguard Fire Varnish Overcoat (Exterior) Matt or Satin Clear or Woodstain Colour.

Application by painters, decorators & other professional users only. Refer to instructions on Fire Varnish Base & Overcoat containers.

Previously Varnished and Stained Surfaces or Wood Preservers

The Thermoguard Fire Varnish System can be applied over firmly adhered standard clear varnish. For existing stained varnishes, stain coatings, old fire coatings or if in doubt, contact our Technical Department on 0113 2455450.

  • If preservatives are required, use rapid drying clear non waterrepellent grades*.
  • For tanalised or other preservative treatments, contact our Technical Department.

*Allow adequate time for stain or preservative fluids to escape before applying the Thermoguard Fire Varnish System.

Fire Test Standards and Certification

  • BS EN Class B s2 d0
  • Class 1 and Class 0

Note - For 30 or 60 mins Fire Resistance see Thermoguard Fire Varnish 30 & 60 Minute System.

For fire protection to doors, see Fire Door Upgrade Kits

Thermoguard will issue a Certificate of Supply upon request for each correctly specified project for Insurance, Fire and Building Control Authority and Client Records against proof of purchase. After successful application of a complete system a certificate can be applied for HERE

Preparation

  • Cover, countersink & fill, or use non-ferrous, galvanized, stainless or sheradised fittings
  • Ensure surfaces are dry, clean and free of all contamination.
  • Varnished, sealed or non-porous wood should be abraded thoroughly with medium grade silicone carbide abrasive when dry to provide a good key.

Application to OSB/Sterling Board

This is a board made of chips of wood glued together to form a hard non-decorative board. If it needs fire coating, Thermoguard Fire Varnish or Timbercoat System can be applied to it. However we first recommend a test is carried out by applying a small amount of the proposed coating to the board to check for "cessing" / "cissing" (where coating gathers together in lumps and may leaving bare patches between). If this occurs the board should be degreased/cleaned and allowed to dry before testing again - if this still does not provide a satisfactory application please contact our Technical Team for further advice on 0113 2455450 (option 2) or send a message to [email protected].

Conditions

During application & drying of the full system:-

  • Ensure surfaces are thoroughly dry – max 18% moisture content.
  • Maximum relative humidity RH 75%.
  • Ensure adequate ventilation.
  • Minimum air temperature 6°C. Minimum surface temperature 3°C above dewpoint – avoid condensation.

NEW Fire Regulations and Tests Explained

  • The new fire standard BS EN test lasts 20 mins. with airflow replaces the old BS 476 tests which lasted 10 mins and restricted airflow.
  • The new standard for flamespread and heat release Class B replaces Class 0.

The new BS EN tests also monitor -

  • Smoke & Gas “s” – s1 + s2 are none or very low & compliant, s3 moderate smoke, s4 = heavy smoke.
  • Flaming Droplets or Airborne particulates – d0 is none, d1 = low, d2 = moderate, d3 = high levels.

IMPORTANT FIRE PRODUCTS NOTICE: The information displayed on this website should be used as a guide ONLY and our Technical Department should be contacted to obtain a tailored specification and any advice necessary before you place an order for fire protection products. Fire protection products are non-returnable except in accordance with Condition 8 of the Terms and ConditionsWe will not be held liable for any resulting damage to property, human life or monetary costs incurred due to the incorrect specification you have prepared or use of fire protection products caused by your negligence, including your failure to have contacted us to obtain the relevant advice/specification.

It is your responsibility to read the Product Data Sheets (available below) before you place an order and prior to application of the product. The content of this website is our best recommendation and is not advice. Coverage rates quoted are approximate, you agree that coverage depends on the condition of the substrate, surface absorption, texture and application method. We ALWAYS recommend a trial area is coated to ensure the product meets your requirements before use.

Product Details
FV10B

Data sheet

Application
Brush, Roller, Spray
Attachments
Download


Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.


questions Sean on 2019-11-05 21:41:26
Question: 

Is it a requirement that a qualified tradesman apply this or can if be applied by myself? Thanks

Answer: 

Application of this system should be by painters, decorators and other professional users only.

questions Ryan McCreadie on 2019-08-30 10:23:45
Question: 

hi, what is the lifespan of your products once applied (approx.). i'm looking at a coating to timber that achieves a class 0 finish. thanks ryan

Answer: 

We would need to know some more details of the application, i.e. internal or external, expected cleaning regime, chemicals, etc. Please contact our Technical Team on 0113 2455450 (option 2) or [email protected] to discuss.

questions James on 2019-05-23 22:27:28
Question: 

Can this be applied over Polyx oil or Wood Wax Finish?

Answer: 

No, neither can be used, see notes below on existing coatings before the use of Thermoguard Fire Varnish BS Class 1/0 & EN Class B System;

Recommended: Penetrating Wood Dyes / Spirit Stains based on low flash solvents (eg Xylene, Toluene, Alcohols) Benefits are – Quick drying, do not seal wood.

Acceptable: Penetrating Wood Dyes based on Water (not water repellent). Precaution - wait for all water to come out of wood before overcoating.

Usable with Caution: Nitrostain, White Spirit Penetrating stains (single coat of matt only). Precautions - Allow to dry thoroughly (up to 2 weeks for white spirit), degrease with warm detergent solution necessary with some sanding required if a solid film has been formed.

Not Recommended: Stains containing Water Repellents, Waxes, Oils, Coal Tar Distillates / bye-products, satin or gloss woodstains or other stains which seal the wood or stains that deposit a weak film of underbound pigment. “Home recipes” combining stains and lacquers. Note: Consult the Technical Team if these have been applied already or if in doubt.

Compatible Pre-Existing Coatings: Long oil Varnish, Yacht Varnish or Polyurethane Varnish - Require thorough sanding to give a “key”, non water-repellent organic solvent preservative (provided thoroughly dry). For others please consult the Technical Team.

Incompatible Surfaces: Photographic faced hardboard, CCA “Tanalised” or water-repellent grade preservative treated timber. Emulsion paint, old “1st generation” type clear fire coatings*

Paints: Paint should be overcoated with Thermoguard Timbercoat BS Class 1/0 & EN Class B System in your chosen BS or RAL colour. Paints cannot be successfully coated with a clear fire varnish because – adequate abrasion of hard or smooth paint damages the colour, while softer emulsions & acrylics cause varnish to craze or shrivel.

*If these may be present, contact Technical Team for specific advice, tests etc.

questions Frank Caldwell on 2017-05-16 16:15:17
Question: 

What is the drying times for this product?

Answer: 

Basecoat;

Leave a minimum of 36 hours in good drying conditions to dry HARD. Within 96 hours of of Thermoguard Fire Varnish Basecoat becoming and remaining dry, apply Thermoguard Fire Varnish Interior/Exterior Overcoat by brush, roller or spray.

Overcoat;

  • Interior: Touch Dry: 8 hours / Overcoat: 12 hours
  • Exterior: Allow to cure for at least 2 hours, denib then apply second coat within 36 hours.
  

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