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BSEN 11925, BSEN13823 Tests Equivalent to Class O, BS476 Parts 6 and 7 - UK Fire Regulations Relate to UK Class 1 and Class O Fire Resistance Property Repair Systems - Free Advice - 01626 331351 - Real People answer in plain English Next Day UK Delivery of all Fire Varnishes and Fire Paints
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| Q. BSEN13823 and BSEN11925 - what are they? A. They are European 'surface spread of flame' Test Standards (nothing to do with 30 or 60 minutes) BS EN 13823: 2002 - Single Burning Item (SBI) test - a single burning item test, like a wastepaper basket on fire against a wall. This is the basic European test normally required for walls and ceilings in escape routes. Roughly equivalent to UK Class 1, Euroclass C. BS EN ISO 11925-2: 2002 – Single Flame Ignitability (SFI) test - is a single flame ignitability test, like a cigarette lighter held to the edge of a material These two European Standards are the equivalent of the UK BS476 Parts 6 and 7, which give UK Standards Class 1 and O. If tested to the European Standards these would give a Euro Standard, Euroclass B. One cannot claim a Euroclass Standard by having tested to the BS476 equivalent - the materials have to be tested again to the exact Euro Test protocols. On most materials, to comply, you will need at least one coat of Intumescent (swells in heat) Paint or Varnish, plus at least one coat of Flame Paint finish. Benefits: intumescent paints and water based top coats * water based * no smell * no solvents * thin coats * no vapour What to Buy: click USES to determine the number of coats or call us on 01626 331351. For a colour finish: Colour Chart Click Here. PRS Intumescent Paint - apply 2 or 3 coats, or according to the Fire Standard required by your Building Inspector. PRS Flame Paint Finish - apply 1 to 2 coats, according to durability - indoors/outdoors, high/low wear finish required. Typical Coverage: click SHOP to see the details
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Speak to us now for free help and immediate pricing - Tel: 01626 331351 Free Fire Certificate of Supply
What you really need to know about Fire Retardant Paints: TYPES OF PAINTS and VARNISHES - there are two types of Fire Paint and Fire Varnish:
TEST STANDARDS - there are three relevant fire test standards
CERTIFICATION - why you will need a Certificate of Supply
COLOURS
FINISHES Matt, Eggshell and Gloss. DRYING TIMES
How to comply with Class 0 and Class 1 - comply with both in a single system For timber and timber products, painted or unpainted, EXCEPT DOORS. Colour coating: 1. Timbercoat Intumescent - two coats, by brush, roller or spray - 7 square metres per litre per coat. 2. Flame Paint Retardent finish - two coats, by brush, roller or spray - matt, vinyl or silk, gloss, eggshell or metallic - 10 square metres per litre per coat. Clear coating: 1. Fire Intumescent Varnish - two thin coats by brush, roller or spray - 6.5 square metres per litre per coat. 2. Fire Varnish finish - one or two coats by brush, roller or spray - 12 square metres per litre per coat.
Over coating old paint layers: For plasterboard, plaster, brick and concrete products, that have a thick layer of old, non-retardant paints. 1. Wallcoat - one coat, by brush, roller or spray - 7 square metres per litre per coat. 2. Flame Paint finish - two coats, by brush, roller or spray - matt, vinyl or silk, gloss, eggshell or metallic - 10 square metres per litre per coat. Note - the second coat can be a Flame Retardant Anti-Graffiti or Hygiene Paint.
How to provide 30 - 60 minute protection For steel and cast iron products, painted or unpainted, EXCEPT DOORS. 1. High Build Primer - apply one coat by brush, roller or spray - 12 square metres per litre - 150 microns wet. 2. Intumescent Steel Paint - typically, apply one coat by brush, roller or spray for up to 30 minutes protection, two coats for 60 minutes protection - at about 2 square metres per litre per coat. This is only a very general example - steel paint coverages need to be calculated by us for each different section size and then converted to a paint volume. This is a free of charge service. 3. Flame Paint Top Coats - to cover and protect the Intumescent paint where either it is to be temporarily exposed during Construction, or left permanently exposed after completion. Intumescent Paint can ONLY be used alone where it will be protected by coverings or casings, and will always be inside a dry, indoor environment. A typical brush coating can be applied at up to 600 microns thick (wet) or by sprayer at up to 1200 microns thick (wet). A simple plastic wet film gauge is supplied with the paint. 500 microns wet = 2 square metres per litre = 0.5mm thick 1000 microns wet = 1 square metre per litre = 1mm thick
Steel Specification and Costing We will convert your steel measurements, or information from a Plan into surface areas to be treated. This will allow us to calculate the thickness and volume of Intumescent Fire Retardent Paint required. You can download a copy of the Steel Calculation form and drawings of the different types of steels commonly used in building here - Steel Form and Steel Types. The crucial information is the thickness of the steel - this affects the thickness of the Intumescent Paint coating required to meet a particular Standard. Doors Sometimes it can be cheaper to buy factory built Fire Doors. For multiple doors and Historic Buildings, where doors must be saved, please give us a call to discuss your options. We will need exact details of the construction of each door and some photographs would help. Give us on call on 01626 331351 for FREE help with your Fire Door Specification. A minimum of panel thickness of 16mm for softwoods and 12mm for hardwoods is required. SAFE MINIMUM THICKNESS OF WOOD - to meet the 30 Minute Standard Softwoods need to be at least 16mm thick and hardwoods 12mm thick, in order to withstand charring (without collapse) of 10mm (softwoods) or 6mm (hardwoods). Hardwoods, like Oak, burn slower than Softwoods, like Pine. These charring allowances leave 6mm of wood in reserve, to provide more time for escape, after the paint systems have expired. If the wood is less than these thicknesses it can be supplemented with additional panelling - we will be pleased to Quote for precision panels made to measure for your project. When using Ultra Door Protection for upgrading standard doors to 30 minute fire doors, it must be used as part of an overall program to include intumescent fire/smoke seal and lock, hinge and door closer Intumescent protection card, or as Specified by your Building Inspector. As a general guide, uprating is likely to include the following; 1. Preparation of the doors to take intumescent fire/smoke seals and lock, hinge and door closer intumescent protection cards. We can offer surface mounting Intumescent Seal Strips, which are self adhesive and mount inside the door frame. This type of seal enables you to avoid removing the door to cut slots. 2. Three coats of Ultra Door Intumescent Fire Paint or Varnish base, followed by two top coats of Flame Paint or Flame Varnish Finish (Eggshell or Gloss). 3. Additional panels or Veneers may be required to meet the minimum thickness requirements - we can manufacture this for you - please ask for a Quotation. Click here for - Guidance Notes on upgrading Doors Free Advice - we supply free specifications and product quotations Speak directly to us about your Fire Retardant needs: 01626 331351 Please do not take a risk and simply buy products without a clear specification from an expert. You may not be able to obtain a Fire Certificate of Supply in those circumstances. 'Fire Paint' is a general term rather misleadingly used to cover both Fire Resistant Paint, used as a top coat to protect the Intumescent Paint beneath and Intumescent Paint or Intumescent Varnish, which are both fairly soft coatings used as primers. Class 1 and Class O are Classifications used regarding fire action on the surface of the paint, whereas 30 Minutes and 60 Minutes describe the period of protection given by the underlying Intumescent layers of Intumescent Paint or Intumescent Varnish against fire penetration. We can provide an Intumescent Paint price based on the thickness of the wood or steel to be protected, and a separate price for the Fire Rated paint used as a top coat, which acts as a retardent fire layer, producing an inert gas to protect itself. I Timber Paint I Wall and Ceiling Paint I Clear Varnishes I Top Coats I Fire Doors I Uses I I Steel Paint I Over Coating Old Paint I Loft Conversion I Colour Charts I Home Page I
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Property Repair Systems, Unit 3 Olympus Business Park, Kingsteignton Road, Newton Abbot, Devon TQ12 2SN Tel:01626 331351 Fax: 01626 331143E Mail:help@propertyrepairsystems.co.uk
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