For sales or technical enquiries call:

01752 690997 or 0800 0277 955

Or email us: ku.oc1513490375.tnia1513490375pfoor1513490375perif1513490375@sela1513490375s1513490375

About Intumescent Paint for Wood Derivatives & Timber

Intumescent paints for timber and wood derivatives are available in Water and Solvent based forms with fire ratings of 30, 60 minutes, British Class 0/1 and European Class B/C. Utilising thin film intumescent technology the paints are able to give a highly decorative finish for use internally and Externally. On External wooden cladding, we recommend that an impregnation flame retardant is used in place of an intumescent paint.

Intumescent and flame retardant products come in 3 forms:

– Pigmented paints – 30 to 60 minutes rating, Class 0 and Euroclass B

– Clear Varnishes – 30 to 60 minutes rating, Class 0 and Euroclass B

– Clear impregnation treatments – Class 0 and Euroclass B

How Does An Intumescent Paint Protect Wood And Why Is It Needed?

Intumescent Wood paints are what we refer to as “Reactive Paints”. When the paint is subjected to heat it will react. In the case of an intumescent paint when subjected to temperatures exceeding 120°C the paint will intumesce (Swell up to 50 times the thickness of the paint) and form an carbon layer (Char) which thermally insulates the timber substrate slowing down the timber Char rate and increasing the burn through time to 30 or 60 minutes. We offer products to fire protect timber cladding on building which require a Class 0/1 surface spread of flame, these products are used slow down the spread of fire in a building which aids peoples escape. In a fire it is critical that the structural timber frame and cladding internally and externally of the building is protected correctly so that the timbers do not burn/char away leading to premature failure.

In Summary, Intumescent timber paint thermally insulates structural and NON structural timber in a fire, slowing down the spread of fire and stopping premature collapse of the building.

For details regarding our paints finishes, listings, approvals and compliance, please get in touch, or contact our free estimating department on 0800 0277 955

Fire Certification and Test Standards

All of our products that we sell are fire tested to British and or European standards, Intumescent paint for Timber use the following standards:

– European Union: EN 113823 B,s1,d0

– European Union: EN 111925-2 SBI

– United Kingdom: BS 476-20/22 30 and 60 minute fire rating

– United Kingdom: BS 476-6/7 Surface spread of flame Class 0/1

Specification and Estimations for Intumescent Paint and Its Application

Intumescent paints are the most common form of fire protection to timber, this is because of how widely available the products are and how cheap they are. At International Passive Fire Ltd we have a whole department set up to deal with Specifications and Estimations for Intumescent timber Paint. Our technical specification and estimating department consists of over 50 years of experience in the structural passive fire protection field and is completely independent of all manufacturers. Also, all of our work is free of charge (FOA).

We aim to give all customers whether big or small the same high value service and back up to ensure that all jobs are completed and certified on time. We can help you when applying intumescent paint to wood to ensure the process is smooth and easy and to guarantee that the paint will give the correct fire protection required.

Application of Intumescent Paints for Wood

Application of Intumescent paints for wood is very easy. You can apply the paint using a brush or spray machine. Typically brush application is up to 125 microns per coat and spray is 250 microns per coat depending upon the products. It is important that drying times are adhered to before application of the second or third coat to ensure the paint will protect the steel.

During application a Wet Film Gauge is used to measure the thickness of each coat of paint. These gauges are supplied free of charge to all of our customers.

Do I Need A Topcoat?

The topcoat of an intumescent paint system is solely used to protect the intumescent coating from the environment that it is in or as a decorative finish coat that can be coloured to most RAL or BS colour codes upon request. The finish of these top coats is usually MATT or SATIN however we have several products that finish in GLOSS. Not all jobs require a topcoat however if the steel is external or internal in a high moisture environment, then YES you will need a topcoat.

Before buying any intumescent paint for steel you must make sure that a full specification has been undertaken listing all structural steel that need to be protected.

About International Passive Fire Ltd

With over 50 years of experience in the passive fire protection industry, International Passive Fire Ltd provides independent estimating services for all intumescent coatings/paints for timber and wood derivatives.

Call our technical department free on 0800 0277 955 to discuss our free estimating and specification services.

Showing all 10 results

Envirograf HW01/F White intumescent Coating for Wood 1L

HW01/f is a single pack water-based intumescent paint that is designed to be used to upgrade timber cladding and timber substrates to 30 or 60 minutes protection. Product that MUST have a protective Top Sealer Coat applied. Once coated, HW01F will last the life of...

Envirograf HW Acrylic White Top Coat 1L

HW ACRYLIC WHITE Top Coat is a MATT decorative top coat  designed to offer protection to the ES/VFR White fire retardant, HW01/F intumescent and EP/CP Intumescent coating. Easily applied both externally and internally by brush, roller or spray. A lasting solution for internal and external timber...

Envirograf ES/VFR White Fire Retardant Coating 1L

ES/VFR White Fire Retardant Coating is a decorative base coat designed to offer a comprehensive solution for achieving spread of flame to timber substrates. Easily applied both externally and internally by brush, roller or spray. This system is designed to achieve a British Class O...

Envirograf HW EXCEL WHITE Top Coat 1L

HW EXCEL WHITE Top Coat is a solvent based decorative top coat  designed to offer protection to the ES/VFR White fire retardant, HW01/F intumescent and EP/CP Intumescent coating. Easily applied both externally and internally by brush, roller or spray. For use in high humidity internal...

Envirograf HWAP/WB Primer 1L

HWAP adhesion primer is a water based clear primer to apply over existing paint, varnish or wax surfaces before applying other coatings. Application & coverage: HWAP Primer can be applied by brush or roller. Coverage is 10 - 12m² per litre.  [Product-Page-Short-Description-Call-To-Action]

Envirograf ES/VFR Clear Varnish Fire Retardant Coating 1L

ES/VFR Clear Varnish Fire Retardant Coating is a decorative base coat designed to offer a comprehensive solution for achieving spread of flame to timber substrates. Easily applied both externally and internally by brush, roller or spray. This system is designed to achieve a British Class...

Flametect C-WD Clear Flame Retardant 5L

Flametect CWD 5L 20m2 pack. Performs by rapidly converting timber & timber based products to carbon when subjected to a flame or a high intensity heat source. CWD is Clear, Colourless Impregnation and will not discolour, wood or other wood type materials.  Flametect CWD. Contains...

Envirograf HW02E Clear Intumescent 1L

HW002/E is a single pack water-based intumescent paint that is designed to be used to upgrade timber cladding and timber substrates to 30 or 60 minutes protection.  product that MUST have a protective Top Sealer Coat applied. Once coated, HW01F will last the life of...

Envirograf HW EXCEL CLEAR Top Coat 1L

HW EXCEL CLEAR Top Coat is a solvent based decorative top coat  designed to offer protection to the ES/VFR Clear base coat and HW02/E intumescent. Easily applied both externally and internally by brush, roller or spray. For use in high humidity internal environment or in...

Envirograf HW ENVIRO CLEAR Top Coat 1L

HW ENVIRO CLEAR Top Coat is a water based decorative top coat  designed to offer protection to the ES/VFR Clear base coat and HW02/E intumescent. Easily applied internally by brush, roller or spray. For use in low humidity internal environment A lasting solution for internal...
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