Introducing STYROFOAM Solutions: performance, product overview and references
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Dow Building Solutions Introducing STYROFOAM Solutions: performance, product overview and references

About STYROFOAM In the demanding conditions of today’s building and engineering projects STYROFOAM™ blue extruded foamed polystyrene boards can deliver the thermal performance and strength you require - for the lifetime of the structure. STYROFOAM™ has been manufactured by Dow since the 1940s. The process of extruding foamed polystyrene results in a material with uniformly small, closed cells, a smooth ‘skin’ and an unrivalled set of properties which make it the choice of specifiers in a wide range of demanding insulation applications: ››› low thermal conductivity - minimising the board...

Meeting environmental standards STYROFOAM™ is manufactured under the BS EN ISO 9001: 2008 Quality Management System (BSI certificate Q05968). Dow also operates an Environmental Management System which has accomplished ISO 14001:2004 (BSI Certificate EMS 547690). Concern about ozone depletion in the stratosphere has led to international agreements to phase out the use of ozone depleting chemicals. All STYROFOAM™ products are hydrochlorofluorocarbon (HCFC) free and comply with the requirements of EC Regulation No 2037/2000 (1 October 2000) on substances which deplete the ozone layer....

Surface characteristics Dow STYROFOAM™ boards are blue. All boards have a smooth homogeneous skin on both sides with the exception of ROOFMATE™ LG-A and PERIMATE™ DI-A. STYROFOAM™ has a low susceptibility to rot, and mould or fungal growth is therefore minimised. Chemical Structural STYROFOAM™ boards are available in a range of compressive strengths to suit different load bearing requirements. Fire Information on aspects of fire performance of extruded polystyrene in building applications is given in BS 6203: 2003, ‘Guide to fire characteristics and fire performance of expanded polystyrene...

Product overview Specific heat Coefficient of linear thermal expansion Working temperature range Fire classification: reaction to fire Table 1: Common properties of STYROFOAM™ products

Product overview FLOORMATE™-A FLOORMATE™-A is the STYROFOAM™ Solution for insulating floors, and is currently available in three grades, FLOORMATE™ 300-A, 500-A and 700-A. FLOORMATE™-A insulation is available in a range of compressive strengths to match the loading requirements of individual projects. FLOORMATE™-A insulation can be installed under or over the slab in ground bearing concrete floors and is suitable for use with suspended beam and block and timber floors. ROOFMATE™ SL-A and ROOFMATE™ LG-A ROOFMATE™ SL-A is the STYROFOAM™ Solution for insulating inverted roofs. The boards are...

Product data tables Declared thermal resistance (RD) - m2.K/W Thickness mm * insulation only

Product data tables Product data FLOORMATE™ Properties Compressive strength or compressive stress at 10% deformation (90 days) Compressive creep (design load) max 2% deflection after 50 years Deformation under load and temperature 168 hrs at 40kPa/70°C Density (aim, foam only) Dimensions Length Width Thickness Appearance Surface Edge profile butt edge Floors domestic and medium load bearing Floors high loadbearing Floors very highload bearing Water vapour diffusion resistance factor Water absorption Total immersion Diffusion ≥ 50mm < 80mm ≥ 80mm Freeze/thaw, after 300 cycles Fire...

mortar topping grooved face & geotextile tongue & groove Inverted roofs ballasted Parapet/ Upstand Basement walls external

Useful references Building regulations ››› Structure part A ››› Conservation of fuel and power (new dwellings) part L1A ››› Fire safety - volume 1 dwelling houses part B ››› Fire safety - volume 2 buildings other than dwelling ››› ››› ››› ››› ››› ››› houses part B Site preparation and resistance to moisture part C Conservation of fuel and power (existing dwellings) part L1B Conservation of fuel and power (new buildings other than dwellings) part L2A Conservation of fuel and power (existing buildings other than dwellings) part L2B Appoved document - basements for dwellings Technical...

Useful references ››› BS 8103-1:2011 Structural Design of low-rise buildings Part 1: 2011: Code of practice for stability, site investigation, foundations and ground floor slabs for housing. ››› BS EN 1992-1-1:2004: Eurocode 2: Design of concrete structures. General rules and rules for buildings Part 1: 1997: Code of practice for design and construction. ››› BS 8201:2011 Code of practice for flooring of timber, timber products and wood based panel products ››› BS 8204-1: 2003+A1: 2009: Screeds, bases and in situ floorings. Concrete bases and cementitious levelling screeds to receive...

Recommendations STYROFOAM™ products include FLOORMATE™, ROOFMATE™ and PERIMATE™. STYROFOAM™ products contain a flame retardant additive to inhibit accidental ignition from a small fire source. STYROFOAM™ is, however, combustible and if exposed to an intensive fire may burn rapidly. During shipment, storage, installation and use STYROFOAM™ products should not be exposed to flames or other ignition sources. Fire classification is based on small scale tests, which may not reflect the reaction of the products in its end use state under actual fire conditions. STYROFOAM™ products should, when...