FREE next day delivery available, free collection in 1 minute. Nullifire SC801 On-Site Water-Based Intumescent Basecoat SC801-120 can be applied to a smooth matt finish. Is this right or does it affect the fire protection time?High performance decorative varnish system for interior wood surfaces. Nullifire SC801 On-Site Water-Based Intumescent Basecoat SC801-120 can be applied to a smooth matt finish. Click & Collect. Thin film fireproof paint for steel systems generally have three components, a primer, a basecoat, and a sealer coat. The char layer formed has very low thermal conductivity, producing an insulating effect which protects the steel from structural damage by slowing the rate at which the fire. 1%), to form a rigid seal and is also. organic amine or amide, as a flow-PPG SteelGuard 751. This Section uses the term "Contracting Officer. J. About. CAP Coatings Intumescent Paint (also known as intumescent coating, fire paint, fire rated paint, fire retardant paint, fire proof paint) expands into an insulating char up to 50mm thick during a fire situation, protecting the. 50 inches. Rutland Door Closers . Accommodates Movement of ±25%. Suitable for use on domestic stoves, furnace chimneys, industrial ovens and exhausts. 1. Intumescent paints protect a concrete, steel or timber structure against fire by reacting under the influence of the heat of the fire, forming an insulating layer of foam. Industry definitions may aid in a better understanding of what an intumescent coating (also known as fireproofing) is and is not. Stops or Slows the Spread of a Fire. In this work, new fire barriers combining the use of two different intumescent paints (to mix their benefits) and a metal laminate structure have been evaluated. QF2 Fire Protection Compound is intended for use as a gap filling material where cables and pipework services penetrate fire compartment floors and walls. Intumescent Paint fireproofing spray. Gap Seal: 23-28mm. Intumescent paints are designed to temporarily protect objects from losing their strength in a fire. 1. Available from Promain. com. . Get Quote. Buy Air Vents at Screwfix. 53 +VAT. com. 75. Browse our full range of 90 Mins Fire Resistance products. Rather than providing a thick barrier between the steel and the fire, these paints expand and char in the presence of heat, swelling up to almost 25 times their original thickness. System: High Build Alkyd Primer / Intumescent. Here at B&Q we have a huge selection. Both type of Intumescent paint are tested to BS476 Part 21:1987 on structural steel beams & columns for up to 2hours fire resistance. even internal alterations are covered by building regs, even when planning permission is not required. a fire to insulate the steel, as shown in Fig-ure 2. 95 Applying intumescent paint to wood. And that goes for both emuslion type paints for walls and ceilings and woodwork paints. Intumescent Cons. Click & Collect. Briton Door Closers . Intumescent coatings are increasingly used because they provide a high-quality finish and also have good fire ratings on buildings requiring high fire protection, like stadiums, skyscrapers, multistoried buildings. HSS= Hollow Steel Section. No-Burn Plus ThB is tested and approved to coat the leading brands of spray polyurethane foam. Fireproof Paint for Wood. Pre-cut kit includes protection for the body, forends and keep. Can be applied on slightly damp surfaces and is providing protection under light. Delivery Info. Structural steel is the most protected material, but protection can include other materials such as sheet metal, sheetrock, composite panels and interior woods. Intumescent paint costs $4 to $12 per square foot. A new and improved revolutionary thin-film waterborne white intumescent paint for standard, interior structural steel members, providing 30 minutes fire protection in only one coat and 60 minutes in two coats - see below for details. Rawlins Paints' range of intumescent pipe wraps are available in set. CAP intumescent paint systems deliver cost effective, tested and approved non destructive fire rated coating solutions. Step two. Product Thickness. Fast and accurate method of fitting to ensure the perfect fit to meet fire regulations. 99 Inc Vat. Buy Fire Exit Signs at Screwfix. Data Sheets. Nullifire SC801 On-Site Water-Based Intumescent Basecoat is a water-based, white, thin film intumescent coating for the protection of internal structural steelwork, providing up to 120 minutes fire resistance. Applied in layers, the paint helps fireproof any material such as steel, metal, concrete, wood, timber, plaster, composite and more. The products works by expanding when heated to form an insulating char around the substrate being protected. FREE next day delivery available, free collection in 1 minute. Screwfix customers rate this product 4. Jotun Aluminium Paint H. All available products are certified, capable of protecting steel, structural steel, and cast iron structures from fire for 30, 60, 90, 120, and 180 minutes, reducing the heating time of the metal. Easy to specify and apply. Steel: Intumescent steel paint is designed to increase the time period that a structural load bearing steel within a building will last during a fire. Lorient . Available in gloss or eggshell finishes to BS4800, BS381C, NCS, or RAL colours and in any quantity. 2. Envirograf Waterborne Intumescent Fire Protection Coating for Steel and Aluminium. This unique, non-toxic formulaThe paint product is applied to the steel in layers as needed to generate the thickness that corresponds to the level of protection mandated by the building code. 84 – £ 134. The two distinct standards which govern timber substrates are fire resistance and flame retardation. Thanks for the advice, but one of the issues I have is that I am required to paint my cornicing with this stuff. Spray Width: 300mm. Cafco SPRAYFILM® WB3. Fire protective sprays. is a one component styrene modified oxidatively drying alkyd coating that is heat resistant up to 250°C. com. INTUMESCENT STEEL PAINT FOR STRUCTURAL STEEL AND CAST IRONWater based intumescent coating for the pr. Fire protection for interior walls and trim. It’s relatively expensive compared to cheaper options like cementitious coatings. For routing the groove for intumescent strips in a frame or door. It is suitable for primed or previously painted wood, drywall, cellulose tile, cured plaster, masonry and metal. These intumescent systems of passive fire products are installed and remain passive until they are required to do their fire protection job. The basis of this method is the analytical solution of Amon and Denson (1984). The wood filler is a light buff colour, but it can be coloured as required by. £38. The chemical research division of NASA was one of the pioneers in the development of intumescent paint and rigid and semi-rigid foams used as thermal protection systems. HEMPEL – Hempafire Pro 315 Fast Dry Intumescent Coating for Steel – 20L. Thermoguard Thermocoat WI Steel Intumescent Paint. Thermo-Lag® 3000 SP is designed to fireproof steelwork for up to a 4 hour fire rating, depending on the design. Local Coating Specialists. walls, structural steel, ceilings, etc. (reason removing rust spots coming through. Intumescent paints are required when materials in your building (e. Fire retardant paint. Some of its features include: 1. This product that MUST have a protective Top Sealer Coat applied to prevent the product turning milky white. £ 26. Can be quite expensive — up to $4-12 per square foot. 120 Mins Fire Resistance. Can be used as primer, mid coat or finish coat in atmospheric environments. Intumescent Paint is designed primarily for Off-Site application in a controlled paint shop environment. Response within 24 hours. Intumescent Fire & Smoke Seals. It has a low odour and is a water-based formulation that may be considered safer for. Clear or stained finishes enhance the natural beauty of the wood while fire protecting new and previously varnished surfaces. 99 Inc Vat. . 4 CE marked product, ETA 15/0439 Assessed to ETAG 018-2 for all durability. While it has been known to range between 350° – 750° in Britain it is commonly 550°. How to leave steel beams exposed - 1. • Wet film gauges are available for use. Complies with LU Standard 1-085 ‘Fire Safety Performance of Materials’. Intumescent paints are a paint-like material that, whilst inert at low temperatures, reacts with heat at over 200°C, swelling to form a char layer that covers the steel. Shapeable to Repair Without Formwork. Indeed, ICs form a thin protective layer on the steel surface, that if exposed to fire or elevated temperatures, expands in volume with a consequent. Independently tested and approved for fire protection of structural steel exposed to cellulosic fires, BS476 Pt 20 and 21. In buildings under Purpose Groups VI & VIII, where there may be presence of corrosive atmosphere that may affect the effectiveness of intumescent paints for protection to structural steel members of buildings, such proposal shall be subjected. 1,2 The objective is to increase the time for evacuation of humans and animals and for the fire brigade to arrive. It can be applied both on and off site. Brush or roller. The flame retardancy properties of intumescent coatings allows steel structures to retain their strength in the event of a fire. 63 mm. Is intumescent paint expensive. It is the most effective galvanized steel paint solution for treating hot dip galvanized steel, with a host of key advantages over alternatives such. These bubbles then act as an insulating layer to the steel. £ 26. HR Prof. The intumescent coating products listed on this page are available for interior and exterior use and come in a full range of colours. Delivery. Fosroc Galvafroid is a zinc rich coating formulated as an easily applied, cold galvanising protection against corrosion on all ferrous metals with a mid-grey, matt finish. Intumescent paints are used for passive fire protection and suitable for steel, wood, fabric and plaster. Standards Tested To Results . The wraps absorb heat from metal pipes, such as copper, steel and aluminium, to prevent damage to fire barriers and substrates. £ 29. By Melanie Boyden 15/11/2023. HENSOTHERM® 910 KS. I was considering directional lights, probably worth the extra. com. A compatible decorative overcoat system ensures the system will enhance the building’s architectural and design features. Fire Performance. The compounds of intumescent systems generally can be placed into four cate-gories: 1. This increase affects the mechanical properties of the steel and could result in deformation/failure of the structure depending on the temperature, time, and applied load. 5. Intumescent paint activation and expansion on FRP bars: (a) shown in test rig, (b) magnified view. Great adhesion to substrate. Bollom Flameguard Ultra Gloss is a top coat for Bollom Broflame Ultra Basecoat on bare and previously painted wood, Bollom Brosteel Ultra 60 and Bollom Fireshield Ultra Universal for steel. RECOMMENDED USES Suitable to be applied on steel structures internal or ex ternal. Rust-Oleum CombiColor has excellent opacity (hiding power) and sag resistance, leaving no brush or roller strokes,. Stainless Steel. paint and a top coat. Nullifire has been a truly world-leading supplier of passive fire protection for 50 years! And, we now have a presence in six continents with nine factories and 24 sales offices worldwide, through our mother company Tremco CPG. For internal use only; Water-based - quick drying thin-film intumescent coating Even 150 x 75 seems small. Intumescent Paint Colours For Steel. It has a low odour and is a water-based formulation that may be considered safer for. W x H x D: 260 x 90 x 7mm. The steel design purpose (load vs. Albi Clad 800 has been the choice for intumescent fireproofing for over 25 years in the refinery and petrochemical facilities. PTFE coating on the body helps reduce resin, friction and subsequent heat build-up in use to increase cutter lifespan. It should be applied in a thick layer almost like cream cheese. This document serves to give an overview of the considerations for. com. Fire-resistant paints are usually ASTM E-119 tested and certified. The seals should be rebated into either the door frame or the door itself. Envirograf HW01 White Intumescent Coating provides BS Class 0 & Class 1 as well as 30 and 60 minute. Therefore,. As well as protecting from the danger of fire, intumescent paints can be used to give a beautiful finish on steelwork. Usually these fire ratings can last anywhere from 30 minutes up to 2 hours. Gloss Retention Gloss retention varies with the pigment used. However the groove is 8mm wide and 4mm deep. The Association for Specialist Fire Protection recommends a gap of 50 times the initial paint thickness, which would normally lead to gaps of 25-75mm unless specified differently by the intumescent paint manufacturer. intumescent material at the end of the expansion process significantly depends on the temperature while the initial thickness of the paint does not seem to have much effect. Features • to ASTM E119Intumescent fire-resistive coatings are a more recent type of passive fireproofing thin film that swells many times its initial applied thickness, generating an insulating char that functions as a thermal barrier between the fire and structural steel. Bare Mild Steel. A high quality waterborne intumescent paint will give you a 30 or 60-minute level of fire resistance using just a few. Fire resistant paint releases a flame dampening gas as a response to intense heat. Step one. Types Soft char. Search ID JOT1353. Intumescent paint can be applied to a range of steel elements in order to prolong the. An intumescent coating is basically a paint-like material which is inert at low temperatures – under 200 C – but reacts with heat. Nowadays, there are different solutions available for the fire protection of steel structures. Intumescent coatings are a type of paint that expands when exposed to heat or fire. The critical temperature of steel is between 350°C –750°C. When the paint is exposed to heat it will expand and thicken. There are several methods that can be used to fireproof steel beams and structural steel. Fire retardant paint will provide you with more time. PPG SteelGuard 751 is a one-component thin-film solvent-borne intumescent coating for fire protection of structural steelwork. Luceco FType Mk 2 Adjustable Cylinder Fire Rated LED Downlight Dim to Warm & CCT White 4-6W 675/690lm (855KL) (4) compare. Intumescent Coatings - Steel. The SE specified a channel steel size of 125 x 65 for the 4 metre span. Fire retardant coatings, acting by the phenomena of intumescence, form on heating an expanded multicellular layer, which acts as thermal barrier [7], [8]. Delivery. 3-4mm Gap Required. Can be used as primer, mid coat or finish coat in atmospheric environments. Intumescent paints are required when materials in your building (e. Intumescent paints are applied to steel in thin layers and are inert at the normal operating temperature of a building. Intumescent paints can be water-based, solvent-based, or even consist of multiple-component materials like epoxies. Now for all bizarre, wierd and outlandish requirements I turn to a. W. Waterproof & Water-Repellent. Aithon. Buy Specialist Paints at Screwfix. (couple of images attached) I can only seem to find 10mm wide strips. Independently approved for fire protection of structural steel exposed to cellulosic fire. The seals should be rebated into either the door frame or the door itself. ÐÏ à¡± á> þÿ š Ÿ þÿÿÿ. Over 40,000 products. It applies like a conventional latex paint, low in VOCs, and washes without spotting. Typically the light char consist of microporous carbonaceous foam formed by a chemical reaction of three main components: ammonium polyphosphate, pentaerythritol tetranitrate, and melamine. Applying intumescent paint to wood. ) need to meet ASTM E-119 standards. This makes it the most cost-effective fire protector for safeguarding the integrity of steel structures in fire situations. 99Inc Vat (£17. Intumescent coatings are very thick (72% volume solids or higher) and are usually applied using airless spray equipment to achieve an acceptable level of finish. Thanks for the advice, but one of the issues I have is that I am required to paint my cornicing with this stuff. toscana beige limewash interior/exterior paint + View All. com. FlameOFF Fire Barrier Paint: FlameOFF Fire Barrier Paint is an intumescent paint for steel, wood, drywall, and other applications. No additional sealers or top coats are required unless specific lightfast coloured finishes are required. ES/VFR Clear Varnish Fire Retardant Coating is a single pack fire retardant base coat that requires a top coat, we recommend the use of HW Enviro Clear top coat for internal use and HW SUPERB Clear top coat for external. Applies like a regular paintRust-Oleum CombiColor Original is a primer and topcoat in one for interior and exterior use on bare metal, manually de-rusted metal, surfaces primed with Rust-Oleum 3369/3380 CombiPrimer Anti-Corrosion, or previously painted surfaces. 5. Intumescent paints are designed to temporarily protect objects from losing their strength in a fire. Intumescent coating delays the collapse of the structure through insulating the structural elements (columns, beams, floors and roofs). During exposure to a fire,. Find the perfect letter box with a variety of styles and finishes to choose from. Fire resistance up to 4 hours. Been asked to regloss some new build flats. A water-based, white, thin film intumescent coating Nullifire has launched SC802; a new water-based intumescent basecoat,. For maximum effectiveness, they. Sherwin Williams Firetex FX5120 WB Intumescent, White, 20 Litres. Unlike vermiculite, onsite application of intumescent is not always straightforward for a number of reasons. Water based intumescent paint coating for protection of structural steel hollow and I-sections. 1. Please call us now on +353 1 8394 005 or Contact us to get a quote for your Intumescent Coatings solution. Provide fire protection. Simply put, an intumescent coating or an intumescent paint is a protective layer of a substance that gets activated with a chemical reaction generated from heat application. It’s also essential to meet British safety standard BS 476 when it comes to fire regulations for domestic and commercial buildings. Application of intumescent paint layers helps fireproof structural steel, steel beams, steelwork or cast iron and can be used externally or internally, on small or larger areas. Passive fire protection materials insulate steel structures from the effects of the high temperatures that may be generated in fire. Intumescent product; Flame Spread Rating: Class "A" when tested in accordance with ASTM E-84 (NFPA 255) and S- 102. Our intumescent paints for steel, timber and plasterboard have been designed to achieve various different fire ratings, including up to 2 hours protection, a British Class 0/1 rating or a Euroclass B reaction to fire rating. com. 1 coat Timbercoat intumescent + 1 coat SFR Dualcoat. Some of its features are: a fire to insulate the steel, as shown in Fig-ure 2. With the main steelmaking operations in the UK and Netherlands, they. It is suitable for both interior and exterior steel and it should be fully fire tested against British safety standards BS 476. apl Member. Delivery. In one the the rooms it is intricate cornicing, would would be almost impossible to do with a brush, so was hoping to use the spray method, and do the ceiling in this room at the same time. g. Double layer 15mm Gyproc WallBoard each side of Gypframe 48 S 50 studs provides 90 minutes. Steel structures are widely used in building construction due to their high mechanical strength, ductility and execution times. W optimised for & shape steel and hollow bracing. There's also a whole range of brands to choose from including Dulux paint, Farrow & Ball colours, Valspar and our own GoodHome range. They come in two sizes: 535x635mm and 535x745mm. Intumescent fire seals expand in the event of a fire and seal off the gap between the door and the frame, preventing the spread of fire and smoke. This process will promote the ultimate finished service that meets the needs of the client and satisfies the relevant legislation for the protection of the steel, in it’s part of the building’s passive fire protection system. Intumescent paints can also be used for protecting concrete, in which case the thickness necessary for given fire resistance time is calculated with regard to critical temperature of both the steel reinforced bars (between 350 °C and 500 °C) and the concrete cover (the least distance between the surface of embedded reinforcement and the outer. This product can be used on “I” section beams, columns, hollow columns and hollow beams as well as cellular beams. PayPal accepted online. Thermo-Lag 3000-SP. Click & Collect. Intumescent paint coating specification templates. Our intumescent paints have been tested to the following standards: European Union: EN 13381-8 United Kingdom: BS 476-20/21. This foam then acts as insulation to the steel providing the steel with the fire rating required. This study concentrates on formulating a “fit-for-purpose” 30-60 protective coating via the EN 13381 standard regime. of steel. This coating can provide up to 90 minutes fire protection. WF= Wide Flange. Lomakin, in Fire Retardant Materials, 2001 10. More Options Available $ 257. Intumescent Fireproof Coatings Advantages. In cases where a compartment wall is built on the under-side of a steel beam, the wall should continue past the beams to the. Treviri mitred lever on concealed fix screw on rose. Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed. Steel, for example, loses its strength at temperatures above 500°C. With top coats, base coats and acrylics and matts available in a wide variety of colours, you can achieve the aesthetic appeal you are looking for at the same time as increasing the level of protection in the event of a fire. The key pointers to successful specification and use of intumescent finishes are: Avoid a generic reference to intumescent paint and make sure you have specified the correct product for the situation. 3. Great for tiles and roofs. Fire protecting structural steelwork. Fire resistance for load bearing elements of structure. Water-based 1-pack intumescent coatings for interior use. Low Odour. building inspectors usually ask for 2x 12mm plasterboard followed by a skim coat. Intumescent paints for steel, structural steel and cast iron at Rawlins Paints are available with 30, 60, 90 and 120-minute fire protection, to accompany fire retardant paints for other surfaces. 40 W/D (blue dot). Camino, S. Intumescent can take several forms; in general they are paint, though they may also be mastic or foam composite. Please use a sharp knife for cutting. walls, structural steel, ceilings, etc. The thermal conductivity of this layer is low and thus it can isolate the steel structure from the direct effect of. Tested in accordance with UL 263 (ASTM E-119) and CAN/ULC-S101. Jotun Steelmaster 600WF is specially designed as passive fire protection for steel constructions. This unique, non-toxic formula creates a safe and effective flame-seal barrier on wood surfaces that slows the flame down allowing extra time for occupants to exit, protect property. 1. Filter By Manufacturer. Share this article: Introduction. Black paint with high heat resistance up to 600°C. Jotun Steelmaster 600WF Intumescent Paint is a one component waterborne acrylic thin film heat resistant coating. If you would like a competitive quotation, please get in touch with our experienced and friendly team with the following information: Intumescent paint specification; Structural steel sizes; Structural steel drawings. Flame retardents change chemically to literally "" the spread of flame mainly by the process of chemical intumescence and so you would have to retreat after every flame. The range of topcoats are either water. If you would like information on current lead times, please call us on 01752 690997. Intumescent coatings (ICs) are often used for protecting steel buildings during a fire when the structural, aesthetic, and architectural features of the structural members should be preserved. Order No Nonsense Intumescent Sealant White 310ml at Screwfix. The exposed sides of the steel plates are protected with 0. intumescent material at the end of the expansion process significantly depends on the temperature while the initial thickness of the paint does not seem to have much effect. It can be used as an exterior aluminium finish usually within an alkyd system. Different bilayer designs have been considered for the protection of steel. £49. The stability of a building depends on loadbearing structural steel. AdJotun Steelmaster 1200WF is a one component waterborne acrylic thin film intumescent coating independently tested and approved for fire protection of structural steel exposed to cellulosic fire up to 180 minutes. Delivery. 675/690lm. Some of its features include: 1. Very aesthetically pleasing — looks like conventional paint. Less paint will be required for ratings of 60 mins and 2 Grs. The recommended use for this read more ». Filter By Manufacturer. These paints are mainly used for 30, 60, and 90 minutes. CE Marked and Independently Certified by Warrington Fire Research. 18 This foam layer prevents the material. Waterproof & Water-Repellent. 14m²/Ltr Coverage. Jotun’s operations ensure the very best inIntumescent paint, or more accurately coating, reacts to heat by swelling in a controlled manner. White Flat Latex Intumescent Fireproofing Flame Retardant Paint Coating for Wood. Protect, repair or seal unique surface types. Steelmaster 600WF Intumescent Paint has low VOCs and is specially designed as passive fire protection for steel constructions. Buy online and collect in store in as little as 1 minute. It doesn’t extinguish a fire the way sprinklers can. £66. Fireproof Paint for Steel 16 February 2023 - 06:29. Used to reinstate the fire resistance of flexible and. Buy 3 for £13 - View Offer. 2 Physical modelling of intumescent polymer behaviour in fires. Non Slip Coatings and Anti Slip GRP Products. Surface Preparation Brosteel Ultra 60 should be applied onto a clean, undamaged, dry and primed steel surface. Recessed Downlight Insulation Guard 125mm 3 Pack (1830F) (8) compare. 8-12m²/Ltr Order No Nonsense Intumescent Sealant White 310ml at Screwfix. Albi Clad 800 has been the choice for intumescent fireproofing for over 25 years in the refinery and petrochemical facilities. Independently tested and approved to BS476: Part 21. In ambient conditions the thin coating allows for the steel structures to maintain their usual form rather than being. Intumescent paint can be used to protect a variety of materials, including steel, timber, concrete, and composites. Use several coats & a topcoat 3. Off-site Application. Load. Specifically designed to provide rust inhibiting protection to ferrous metalwork. Self-adhesive backing for ease of application. Hensel. Availability: In Stock. Hempafire Pro 315 Fast Dry is a solvent-borne intumescent coating for steel which provides UP TO 90 minutes fire protection. According to SSPC’s 2011 Protective Coatings Glossary, a fire-retardant is a “ . Delivery. Hensel. 2mm Recycled Polypropylene Construction. They are designed to expand when exposed to extreme temperatures, filling in any gaps that smoke or fire could penetrate. The Steelguard Intumescent Paint should be cut out to one or two centimetres from the damaged area, in every direction back to a sound edge. Apple Pay accepted in store. 15 – £ 124. The wraps absorb heat from metal pipes, such as copper, steel and aluminium, to prevent damage to fire barriers and substrates. Filters: Fire Protection. FIRE BARRIER PAINT. Click & Collect. £15. View Product. Solvent-Free. Can be used as mid coat or finish coat in atmospheric environments. Hard wearing gloss finish Top coat for Bollom intumescents for wood and steel Provides Class 0 on non-combustible surfaces Available in 4,400+ colours, inc. These coatings are rated by how long they provide such protection — typically from half an hour to four hours. Address: 131 Smokehill Lane Address: 131 Smokehill Lane Woodstock, GA 30188 - USA Woodstock, GA 30188 - USA Telephone: 770-517-6869 24 Hour Emergency Hotline: 800-535-5053. Easy to apply and suitable for multiple substrates and services. CAP intumescent paint systems deliver cost effective, tested and approved non destructive fire rated coating solutions. Thermocoat is a water-based intumescent paint system providing fire resistance to structural steel and cast iron of up to 120 mins with a minimum number of coats. Recently, the concept of “Polymer Metal Laminates,” consisting of alternating thin aluminum foils and thin epoxy resin layers has been proven efficient against fire, due to the delamination between layers. Heat resistant up to 90°C (dry heat) Corrosion protection (in light industrial environments) Contains rust-inhibitive pigments. Usable down to 5°C. walls, structural steel, ceilings, etc. 99 Inc Vat. £283. The intumescent paint expands when heated to protect the steel. 79 Inc Vat. 15Ltr Plastic Tank. Unlike vermiculite, onsite application of intumescent is not always straightforward for a number of reasons. Is intumescent. What is the dft on 60 minute protection with firetex. HW02/N is a single pack water-based intumescent varnish that is designed to be used to upgrade timber cladding and timber substrates to up to 30 or 60 minutes protection.