Intumescent paint for steel screwfix. Jimbo Screwfix Select. Intumescent paint for steel screwfix

 
 Jimbo Screwfix SelectIntumescent paint for steel screwfix  They are easy to fix as they come in two L-shaped sections backed in double-sided tape

90 (40) Firetect. 1,2 The objective is to increase the time for evacuation of humans and animals and for the fire brigade to arrive. Fits Frames for External Doors. Envirograf Waterborne Intumescent Fire Protection Coating for Steel and Aluminium. 53. This document serves to give an overview of the considerations for. The reaction takes place in a. Eurospec . It is suitable for both interior and exterior steel and it should be fully fire tested against British safety standards BS 476. Buy Letter Boxes at Screwfix. Over 40,000 products. Black paint with high heat resistance up to 600°C. With fire protection/intumescent paint systems, we can slow down the heating process of steel. SKU. It is well known that when an unprotected steel structure is exposed to fire, depending on the section factor, the temperature of the steel increases rapidly. Intumescent paints are required when materials in your building (e. Weather-Resistant. . As the solvent evaporates, film formation occurs, leaving the binder and pigments on the surface as a 'dry film'. When a fire occurs, an intumescent coating changes dramatically from a relatively thin paint-like coating to what may be described as a meringue-like insulating ash that may be 50 to 100 mm or more in thickness. Recessed Downlight Insulation Guard 125mm 3 Pack (1830F) (8) compare. com. Intumescent product; Flame Spread Rating: Class "A" when tested in accordance with ASTM E-84 (NFPA 255) and S- 102. Does this mean that the tested intumescent paint. The benefits of the Intumescent paint as a fireproofing method include:Intumescent Painting. In civil construction, intumescent coatings are widely used in steel structures, because in a fire, this material loses approximately half of its elastic modulus at 500°C. 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. 047” of intumescent paint to provide 1-hour fire-resistance as compared with UL N635. 30 Mins Fire Protection. It applies like a conventional latex paint, low in VOCs, and washes without spotting. 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. Buy Sealants & Adhesives at Screwfix. Having a right ball ache removing the intumescent paint on my Rsj. 99 Inc Vat. Available in 20 Litres. The micro-holes detected in this intumescent paint acted as physical barriers and caused the delay in heat reaching the FRP material surface. com. Depending on the fire-resistant level (FRL) required, onsite application of intumescent paint can take between 4 to 7 days. Independently approved for fire protection of structural steel exposed to cellulosic fire. Available in clear varnishes or a range of colours. 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. This should be large enough so that manual preparation can be carried out. Use any point on the blue line or within the green area to determine the appropriate DFT for this and larger-sized steel members. Easy to specify and apply. . It expands slightly on curing (0. This also allows for accurate measurement of applied film thicknesses. A compatible decorative overcoat system ensures the system will enhance the building’s architectural and design features. Click & Collect. Fire Performance. 2. 48/Ltr) Add to basket for. They can be divided into two types, non-reactive, of which the most common types are boards and sprays, and reactive, of which thin film intumescent coatings are the most common example. Preparing steel for intumescent paint. If you would like information on current lead times, please call us on 01752 690997. It can be applied both on and off site. The seals should be rebated into either the door frame or the door itself. Intumescent Pros. As part of job preparation, the substrate surface needs to be readied for the job. Galvacoat® is a specially formulated galvanized steel paint, designed to adhere to non-ferrous metals such as zinc and provide a long-lasting and cost-effective alternative to other metal paints. Features low friction brush pile to aid door closing. Delivery. No additional sealers or top coats are required unless specific lightfast coloured finishes are required. INTUMESCENT STEEL PAINT FOR STRUCTURAL STEEL AND CAST IRONWater based intumescent coating for the pr. Jotun Steelmaster 600WF is specially designed as passive fire protection for steel constructions. It is estimated that smoke inhalation is the cause of 50 – 80% of all fire deaths. Well, it's heat resistant not flame retardent you need so a stove paint or similar would be best. 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. For maximum effectiveness, they. Fire Only Spread Prevention. Intumescent paint. Quelfire QF2 Fire Protection Compound. This flexible,. 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. Helps to prevent mould and mildew. Protect, repair or seal unique surface types. Click & Collect. Share this article: Introduction. Fireproof Paint for Wood. How to leave steel beams exposed - 1. 49. com. Essential fire protection – the ROCKWOOL Acoustic Intumescent Sealant provides up to 4 hours fire protection in joints up to 50mm in width and is tested to both BS EN 1366-3 and BS EN 1366-4. For internal use only; Water-based - quick drying thin-film intumescent coating Even 150 x 75 seems small. Steelmaster 600WF Intumescent Paint can be applied up to 710 microns by airless spray. Flat, flame proof paint for raw wood, closed cell EPS Foam and other surfaces. 60 Mins Fire Resistance. Filter By Manufacturer. It provides an easier and more efficient alternative to cladding steel members in plasterboard. Fire protective sprays. These products include, but are. Availability: In Stock. Product Use/Class: Intumescent Paint Product ID: F FGDE-84 Supplier: Shield Industries, Inc. Jotun Aluminium Paint H. 100 × 100 mm 2 composite plates with a thickness of 3 mm and composed of carbon fibres and epoxy resin (with a volume fraction of fibres equal to 55%), were used as a substrate, and were purchased from Goodfellow (Huntingdon, Cambridge, United Kingdom). proposed a simple approach to assess the fire resistance of intumescent coatings and to predict the steel temperature using an equivalent constant thermal resistance [2], [10]. 5 standard to then allow a new tested. 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. No-Burn Plus ThB is tested and approved to coat the leading brands of spray polyurethane foam. This estimate considers the time to mask up and encapsulate the local. Stops or Slows the Spread of a Fire. 2 component system. 99 Inc Vat. Fire resistance for load bearing elements of structure. Thermoguard Thermocoat WI Steel Intumescent Paint is a water-based intumescent paint system providing fire resistance to structural steel and cast iron of up to 90 mins with a minimum number of coats. Fire Rated to 30mins; Steel Construction; For Internal & External Use; Product Quantity. The basis of this method is the analytical solution of Amon and Denson (1984). FIRETEX® Platinum A solvent- and Halogen-free, 100 % solids, 2-pack, modified epoxy based intumescent fire protection coating for internally or externally exposed. Solvent-Free. com for advice on the right product and paint system for the. Steel Straight Shaft. Steel preparation (Primed or unprimed steel, galvanized); Top seal (quality of the top seal); Maintenance schedule (accessibility and frequency); and. 58. Aithon. Can Nullifire Intumescent be applied above? With unknown coatings, there is a possibility that under fire conditions they may fail and delaminate from the steel, removing any additional coatings applied above. Click & Collect in as little as 1 minute. toscana beige limewash interior/exterior paint. polyhydric material rich in carbon; 3. This makes it the most cost-effective fire protector for safeguarding the integrity of steel structures in fire situations. Intumescent Paint Intumescent Paint. Excellent all-around performance. Choose from top trade brands. Economical due to high coverage rate & fast drying time, short lead times. Recessed Downlight Insulation Guard 125mm 3 Pack (1830F) (8) compare. Fire protection for interior walls and trim. (reason removing rust spots coming through. ENVIROGRAF® passive fire protection products protect structural openings where services pass through building elements such as fire-rated ceilings, floors, and walls, to maintain their integrity. Compare. Fire-resistant paints are usually ASTM E-119 tested and certified. W optimised for & shape steel and hollow bracing. Remaining paint on the surface should be removed, especially if it’s peeled or cracked. These building elements include frames, staircases, floors, ceilings, cladding, and doors made of wood or wood derivatives. High mechanical strength during transportation, assembly and use. (commercially we test the thickness to ensure correct application. About. The insulating foam provides. Steel - Intumescent Paint. Get Quote. 17 Intumescent paints (coatings) expand and swell due to the heat and flame they are exposed to during a fire, and they form a foam layer similar to coal by thickening between the flame and underlying substrate. J. Find out how intumescent paints and varnishes provide fire resistance to steel, wood and timber, using products from Bollom. 5mm Gyproc WallBoard each side of Gypframe 48 S 50 studs provides 30 minutes. SP= Standard Pipe. Can get wet 1 hour after product is applied. In addition to that, 100 × 100 × 3 mm 3 steel plates (grade XC40, Couzon Aciers Service,. Preparation, Layers and Drying Times . Low Odour. £66. 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. It's the most widely used method of fire protection for steel structures because it's cheaper to use, easy to apply and readily available. SKU. Buy Multi Purpose Fillers from Screwfix. Get building. It has been tested in service openings 25mm x 25mm and 50mm x 50mm to seal penetrating services such as small metallic pipes, plastic pipes, cables and cable bunches. Buy Intumescent Paint & Sealants & Fire Proof Paint online with Fast Delivery & Expert Advice from International Passive Fire Ltd, Devon, UK. Intumescent paint. 120 Mins Fire Resistance. The intumescent products and operations are audited and listed by a certified third-party laboratory to ensure that the intumescent products perform as expected to ensure building fire. Thermoguard Thermocoat WI is a water-based intumescent paint system providing fire resistance to structural steel and cast iron of up to 90 mins with a minimum number of coats. Delivery. Intumescent Paints. An intumescent coating is basically a paint-like material which is inert at low temperatures – under 200 C – but reacts with heat. com. Melanie Boyden Last Update on 11/01/2021. How do intumescent painting systems work? An intumescent coating chars, foams and expands when heated. R. Surface Preparation Brosteel Ultra 60 should be applied onto a clean, undamaged, dry and primed steel surface. Available in gloss or eggshell finishes to BS4800, BS381C, NCS, or RAL colours and in any quantity. Been asked to regloss some new build flats. Can be used as primer, mid coat or finish coat in atmospheric environments. FR CLEAR. SteelMaster intumescent paint can be applied to offer excellent levels of fire protection without the need for boxing in or using less aesthetically pleasing cementitious coverings. Envirograf HW01 White Intumescent Coating provides BS Class 0 & Class 1 as well as 30 and 60 minute. New interior concealed structural steel, water-based intumescent. FlameOFF Fire Barrier Paint: FlameOFF Fire Barrier Paint is an intumescent paint for steel, wood, drywall, and other applications. g. WT-102 Class A or B interior, BLACK latex based intumescent fire retardant coating. Cafco SPRAYFILM® WB3. Our brands . In fact, it can swell to 50 times the original thickness of the paint. com. CE Marked and Independently Certified by Warrington Fire Research. Non Photoluminescent "Fire Exit Man Down Right Arrow" Sign 150mm x 400mm (977FG) (1) compare. In ambient conditions, intumescent coatings (also known as reactive coatings) are paint-like thin coatings, applied to a Dry Film Thickness (DFT) in the order of few millimetres (thin intumescent. Paints are applied to steel surfaces by many methods but in all cases this produces a 'wet film'. Metal Paints. An effective smoke seal – stopping the passage of smoke in its tracks. The use of these paints is essential to ensure the structural safety of the construction as well as that of humans. This type of coating provides a cost-effective as well as practical solution for fire protection and corrosion protection of. Intumescent Coatings - Steel. Thermo-Lag® 3000 SP is designed to fireproof steelwork for up to a 4 hour fire rating, depending on the design. Low Odour. evaluated the effective thermal conductivity of intumescent paints based on coated steel plates exposed to non-standard furnace fire. Intumescent Pros. Pre-cut kit includes protection for the body, forends and keep. Off-site Application. Download : Download high-res image (742KB) Download : Download full-size image; Fig. Waterproof & Water-Repellent. Intumescent coating delays the collapse of the structure through insulating the structural elements (columns, beams, floors and roofs). It prevents heat from penetrating and flames from spreading. com. 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. 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. These intumescent materials produce a light char which is a poor conductor of heat, thus retarding heat transfer. Astro ISS-S Intumescent Paint is an intumescent paint system providing fire resistance to structural steel and cast iron of up to 120 mins with a minimum number of coats. 73 (incl VAT) Intumescent coating for steel and other metals offering up to and including 90 minutes of fire protection. 05 – £ 143. Once temperatures exceed 200°C, the protective intumescent film forms providing up to 120 minutes of fire protection. Intumescent paint can be used to protect a variety of materials, including steel, timber, concrete, and composites. Can be used as primer, mid coat or finish coat in atmospheric environments. com. 1 This practice is intended for use by material specifiers, general contractors, applicators, or any individual or group requiring information regarding the application of intumescent coatings to provide a fire resistance rating to structural steel. Once the temperature starts to rise above 200-250˚C, the coating will start expanding to many times its original thickness (typically around fifty times) to insulate the steel beneath. Independently tested and approved for fire protection of structural steel exposed to cellulosic fires, BS476 Pt 20 and 21, it is a. Click & Collect. Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed. Most building fires exceed that. The substrate must then be primed with a compatible primer. Flat, flameproof paint for raw wood, closed cell EPS Foam and other surfaces. Delivery. Due to the way computer screen and printer technologies affect colour appearance the colours displayed below are offered for general guidance on hues, tints and shades and not for exact matching purposes. Screwfix customers rate this product 4. It is often used as a passive fire protection measure in commercial and industrial buildings, as it can provide an extra layer of protection against the spread of fire. 24K views 5 years ago. View Product. 2. Get Quote. Whilst we make every effort to maintain the currency of these templates, product specifications change from time to time so. Intumescent coatings are epoxy-based, paint-like mixtures applied to the primed steel surface. These bubbles then act as an insulating layer to the steel. Please Note: We strongly recommend Tricomb Plastic Wet. FlameOFF is also. This happens because it produces carbonaceous char, formed from a large number of bubbles. When exposed to the heat of a fire, that binder melts, and the chemicals quickly begin to react. ÐÏ à¡± á> þÿ š Ÿ þÿÿÿ. In response to a number of questions related to installing partitioning to the underside of beams coated with intumescent paint, the FIS Drylining Working Group has reviewed current guidance and issued a new Technical Notice. A two component, epoxy based, thermally activated, intumescent coating for the fire protection of structural steel. Showing 24 of 10,200 products. We would recommend all unknown coatings to be removed with the surface being prepared to SA2. Browse our full range of 90 Mins Fire Resistance products. com Jotun Steelmaster 600WF Intumescent FireProof Paint For Steel Beams & Columns (5 Litre) 4. Several light coats will give a better finish than a single heavy coat. Intumescent coatings act to protect steelwork by insulating the steel, preventing the temperature of the steel reaching such a critical heat that it causes s. No Nonsense General Purpose Silicone Brown 310ml (80129) (101) compare. Firedamp 100 is a high-quality, water-based, and intumescent paint. As well as protecting from the danger of fire, intumescent paints can be used to give a beautiful finish on steelwork. Low Odour. Any advice is appreciated. Sprayed Fire-Resistive Materials (SFRMs) and Intumescent Fire-Resistive Materials (IFRMs) are designed to maintain the structural integrity of steel, and in some cases, other structural items, such as concrete, under fire conditions and to maintain safe conditions for a specified period of time. Intumescent coatings are paint-like materials applied to structural steel with typical thickness of 1 to 3 mm. Intumescent coating, often referred to as intumescent paint, is one of the easiest and most efficient ways to protect load-bearing elements of buildings against fire. Exolit 855 (TP) is a fire protection ingredient for transparent intumescent coatings on wood. Matt & Satin finishes. This document serves to give an overview of the considerations for. Used to reinstate the fire resistance of flexible and. Fire resistance up to 4 hours. WT= T Shaped Beam. Very aesthetically pleasing — looks like conventional paint. Some of its features are: a fire to insulate the steel, as shown in Fig-ure 2. 029 2085 7959. Click & Collect. a fire to insulate the steel, as shown in Fig-ure 2. Fire resistant paint releases a flame dampening gas as a response to intense heat. Load. Fire Rated Paint For Steel. Intumescent Paint for structural steel and cast iron. 99 Inc Vat. 1,2 The objective is to increase the time for evacuation of humans and animals and for the fire brigade to arrive. 99 ( £ 19 . Complies with LU Standard 1-085 ‘Fire Safety Performance of Materials’. 00. • Equipment should be clean and free from contaminants or dried material. Availability: In Stock. Provides up to 120 minutes protection from cellulosic fires. 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. Conforms to BS476 Part 21. Very aesthetically pleasing — looks like conventional paint. This insulating layer limits the amount of heat. I wouldn't install two sets of lights either side of the beam, it will be too cluttered, throw the light in one place and be way to bright. This combined fire and smoke seal prevents the spread of smoke prior to the fire seal activating. The thickness of the 'wet film' can be measured, before the solvent evaporates, using a comb-gauge. walls, structural steel, ceilings, etc. Intumescent Paint is designed primarily for Off-Site application in a controlled paint shop environment. The flame retardancy properties of intumescent coatings allows steel structures to retain their strength in the event of a fire. For routing the groove for intumescent strips in a frame or door. White Flat Latex Intumescent Fireproofing Flame Retardant Paint Coating for Wood. Fire Door Pack includes a pair of return to door handles, a bolt through 76mm tubular latch, pack of 3 Grade 13 ball bearing hinges and an intumescent hinge pack. Fireproofing for Structural Steel > Intumescent Paint;. Melanie Boyden Last Update on 02/08/2022. Therefore,. By Melanie Boyden. Check the test certification and what the intumescent coating’s performance in fire actually is. 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. It’s ASTM E-119 and ASTM E-84 compliant. More Options Available $ 257. A decorative thin-film intumescent coating designed for fire protection of structural steel for interior conditioned and general purpose applications requiring ASTM E119 testing for full scale/load bearing applications. Factory Controlled Process. It doesn’t extinguish a fire the way sprinklers can. CFP-SP AWHB Technical Documents. You may have heard of the term “intumescent coating” but may not be familiar with what it really means. It is suitable in C1, C2, C3 and C4 environments (ISO 12944-2), for internal and external structural steel. Step two. HENSOTHERM® 910 KS. W. ES/VFR Clear Varnish Fire Retardant Coating is a decorative base coat. 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. 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. Horizontal and vertical membrane. Having a right ball ache removing the intumescent paint on my Rsj. com. However, coating burns and burns, and is not going to let the flames advance over to another beam or wall. Therefore, an intumescent. The thermal conductivity of this layer is low and thus it can isolate the steel structure from the direct effect of. 29 Inc Vat. What was previously a thin coating of paint is rapidly. 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. FlameOFF is also environmentally friendly with a low VOC, water-based coating that can meet your facilities EPA requirements. When properly applied, these coatings can significantly extend the time it takes for steelwork to reach critical failure temperatures. 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. Availability: In Stock. PROMAPAINT® intumescent paints from Promat can delay the heating of steel and concrete structures to improve their fire resistance. G. Apply the primer using your painting equipment – ensuring that this coat adheres to coverage requirements. During a fire it can just take a few minutes for. 15 mm. Unlike vermiculite, onsite application of intumescent is not always straightforward for a number of reasons. Delivery 7 days a week. No-Burn is a leader in passive fire protection with our line of intumescent coatings. There are many types with many specific properties for a wide selection of projects, suitable for use indoors and outdoors, which can be used domestically or commercially. Black paint with high heat resistance up to 600°C. £. com. Puraflex 40 PU Sealant & Adhesive 300ml White. £4. R. 48 Inc Vat. EP/FS/INT offers up to and including 90 minutes of fire protection and can be applied both on and off-site. While intumescent paint may appear to be a regular paint, it’s not— it’s actually a complex of chemicals held inert in a binder. Applies like a regular paint Dilutable with Rust-Oleum 7301 CombiColor Thinner. Applying intumescent paint to wood. PAGE 1 OF 3. Luceco FType Mk 2 Adjustable Cylinder Fire Rated LED Downlight Dim to Warm & CCT White 4-6W 675/690lm (855KL) (4) compare. Water based intumescent paint coating for protection of structural steel hollow and I-sections. Provide fire protection. All works are carried out in a controlled environment with the use of Elcometer’s environmental. Tenmat’s Team of Research and Development scientists are more than happy to discuss specific customer requirements and to collaborate in order to. However, the apparent disadvantage of these materials is their high flammability. Intumescent paints can be water-based, solvent-based, or even consist of multiple-component materials like epoxies. Passive fire protection materials insulate steel structures from the effects of the high temperatures that may be generated in fire. The TRADA recommendation is to use narrow leaf steel hinges (3 on 1 hour doors) so that the intumescent strip is continuous, use slim locks painted with white intumescent paint or paste and to avoid over mortising or cutting through the door because if you do you'll destroy it's fire integrity. Designed specifically for the coating of structural steel, intumescent paint swells when exposed to high heat. Let’s survey the advantages and disadvantages of each coating. Easy to apply and suitable for multiple substrates and services. L018087C. Self-adhesive backing for ease of application. Intumescent paints are designed to temporarily protect objects from losing their strength in a fire. Suitable. The coated steel substrates were subjected to fire in a. Fire & Smoke Spread Prevention. The Astro ISS-WI & WO is a compatible decorative overcoat system ensures the system will enhance the building’s architectural and design features. TECHNICAL DATA COLOUR, DRY. Product Specifications. Thermoguard Thermocoat WI Steel Intumescent Paint. A water-based material might be selected for a smoother finish, while a solvent-based material would be better suited for speed of application or weather resistance during application. The range of topcoats are either water. 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. ID12896. FREE next day delivery available, free collection in 1 minute. £10. Intumescent Paint for Steel. 8/5. It is used to: (a) fill gaps in cracked or split door panels or wall panels; (b) fill holes in wood; and (c) fill over fixing screws in wood to improve the appearance at the surface and to stop moisture ingress. Please call us now on +353 1 8394 005 or Contact us to get a quote for your Intumescent Coatings solution. co. In ambient conditions the thin coating allows for the steel structures to maintain their usual form rather than being. 8. 3M™ Expantrol Flexible Intumescent Strip E-FIS is an intumescent tape designed to seal the air spaces between doors, frames and glass to help prevent the spread of fire, smoke, toxic gases and other byproducts from penetrating into adjacent areas. Rated up to 120 minutes. This Section uses the term "Contracting Officer. Contact Supplier Request a quote. There's so much choice out there when it comes to paint and it can be difficult finding the right colour and finish for your home. Jotun Aluminium Paint H. Designed specifically for the coating of structural steel, intumescent paint swells when exposed to high heat. A water based CEP free thin film intumescent coating to provide fire resistance up to 120 minutes on structural steel. 30 Mins Fire Protection. Intumescent coatings can be applied to a wide range of surfaces, including steel, concrete, and wood. The intumescent paint forms an insulating layer on steel surface by foaming due to heat. QF2 Fire Protection Compound is intended for use as a gap filling material where cables and pipework services penetrate fire compartment floors and walls. It is suitable for primed or previously painted wood, drywall, cellulose tile, cured plaster, masonry and metal. 1 coat Astroflame IFV Intumescent fire varnish basecoat plus 1 coat Astroflame FVO overcoat fire varnish clear or 2 coat woodstain. Intumescent paint thermally insulates structural materials such as steel, timber and plaster to prevent the premature collapse of a building in the event of a fire.