Thermoguard Thermoproof Interior Fluid is a clear, colourless fireproof penetrating fluid for internal softwood.

Please Note: Timber must be a minimum of 9mm thick for the treatment to be effective.

Quick Links - Click To Jump To Section:

   
• Features & Benefits
• How It Works
• Fire Test Standards
• Project Fire Certification
• Application
• Limitations - Stained, Varnish or Painted Wood
• New Fire Regulations & Tests Explained
• Environment & Quality Assurance

Features & Benefits

• Fire protection fluid for porous internal wood
• Clear, colourless fire protection
• In a fire, Thermoproof Interior reacts with the woods cells to create a flame & heat resistant barrier
• Tested to BS EN Class B s2 dO and Class O
• Apply by Brush, Roller or Spray
• Water-based and environmentally friendly

How It Works

In a fire, Thermoguard Thermoproof Interior reacts with the woods cells to create a flame & heat resistant barrier.

Fire Test Standards

Tested in UKAS-accredited Fire Test laboratory:

• BS EN Class B s2 dO
• Class O
• For 30 or 60 mins contact our Technical Team on 0113 2455450 (option 2) or send a message to [email protected]

Project Fire Certification

Thermoguard issue a Certificate of Supply on request for projects for insurance, Fire and Building Control Authority and Client Records.

Click HERE for details.

Application

Application:

• 1 coat on porous wood
• Apply 2nd coat if needed to ensure entire contents are applied in line with 20sqm or 80sqm pack sizes
• To check final appearance apply test patch

Application Method:

• Brush, Roller, Spray

Application Conditions:

• Apply to dry wood (MAX 16% moisture)
• Minimum temperature 5°C
• Area should be dry and well ventilated

Limitations - Stained, Varnish or Painted Wood

• For treatment with Thermoproof to be effective, it needs to be able to penetrate the wood
• Thermoproof can be applied over water-based penetrating wood dyes that do not make wood water-proof

New Fire Regulations & 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 strangely restricted airflow
• The new standard for flamespread and heat release Class B replaces Class O

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 – dO is none, d1 = low, d2 = moderate d3 = high levels

Environment & Quality Assurance

• Thermoproof Interior is water-based and environmentally friendly
• Products Manufactured under ISO 9000

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 Conditions and should be applied only by an individual with the necessary expertise and experience. We 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.