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SPANTHERM:THE INSULATED PRECAST CONCRETE GROUND FLOOR SYSTEMFROM CREAGH

SpanTherm is capable of achieving code levels 3-6 and compliance with the forthcoming building regulation amendments to Part L for new dwellings.

SpanTherm / Page 1

Contents

www.SpanTherm.com

Page

What Is SpanTherm? 4

Why Choose SpanTherm? 5

Integral Insulation System 7

Technical - Load Span Tables 8

Technical - Thermal Performance 9

Technical - Details & Sections 11

Technical - Design Specification 13

Technical Support Services 14

The Complete Service Package 15

Working With SpanTherm 16

5 Easy Steps 17

FAQ’s 18

Next Step - Contact details BC

www.SpanTherm.com

SpanTherm / Page 3

SpanTherm Chosen by: Main Contractors Ground Workers Architects

What is SpanTherm?

SpanTherm is designed to reduce :

•On-SiteLabour •Waste •Risks •Costs •BuildTime •ManualHandling •HomeHeatingCosts

SpanTherm Benefits:

•MinimisesColdBridging •MaximisesThermalPerformance •Achievescompliancewithproposed buildingregulationsandmeetscode forsustainablehomeslevels4-6 •ImprovesSAP/FEESAssessment Ratings

www.SpanTherm.com

SpanThermisapre-insulatedprecastconcreteflooringsystemdesignedspecificallyforresidentialandmid-sizedcommercialgroundfloors.ThecompositeslabcombinesstructuralconcreteandhighperformanceExpandedPolystyrene(EPS)insulationtoprovideasuperior,structuralthermalfloor.

Thisstructuralflooringsystemismechan-icallyplaced,usinglorrymountedcranestoimproveHealthandSafetyon-site,reducinglabour,waste,risksandcost.Thefloorisinstalledquicklyandisthermallyefficientandaffordable.

CreaghConcreteProductsLtd.isalongestablishedcompanythatspecialisesinthedesign,manufactureandinstallationofstructuralprecastconcreteproductsthroughouttheUKandIreland.TheSpanThermproductreflectsCreagh’scommitmenttothesupplyofenviron-mentallyresponsibleandsustainableproductsinnewhomes.

The Insulated Concrete Ground Floor System that is tried, tested and trusted in over 80% of homes in The Netherlands.

Thermal, Structural, Sustainable

General Economical •Eliminatesmanualhandlingandwastecost -SpanThermistheCommercialChoice

Nationwide Service •TeamSpanThermoperatesfromagrowingnumber ofbasesthroughouttheUKandIreland

CountyAntrim Edinburgh Nottinghamshire Cambridgeshire

On - Site

Unique Fast Track Service •SpanTherm’sexperiencedinstallationteamsinstallyourfloorwithin3hours* usingoff-loaderlorries.Theteamsgrouttheunits,leavingacompletestructuralsubfloor

Health & Safety •FullytrainedandcertifiedHealth&Safetycompliantinstallationteams •Eliminatesmanualhandlingandassociatedriskson-site

Early Completion •Nodryingouttimerequired •Providesimmediatesafeworkingplatform

No Camber •SpanThermiscompletelyflatprovidingalevelbaseuponwhich blockwork,timberframedandothertypesofbuildingsareconstructed

No Structural Topping Required •SpanThermisastructuralfloorandrequiresonlyafinishingscreed asopposedtoothersystemswhichrequireexpensivestructuralfinishes

All Weather Construction •SpanTherminstallationisunaffectedbyhot,coldorwetweather

Services easily accommodated *Basedonanaveragefloorareaof90m2

Benefits offered by the SpanTherm System

Why Choose SpanTherm?

SpanTherm / Page 5

Design

Design & Engineering Service •SpanTherm’sTechnicalTeamdesignseachfloorforeachspecificproject, providingBuildingControl’srequiredinformation,includingfloordesignlayout, thermalandstructuralcalculations

CDM Compliance •Designouttherisksassociatedwithmanualhandling,trips,slips andfallson-sitebyspecifyingtheSpanThermSystem

Sustainability •Thermalmassandefficientinsulationreducecarbonfootprintoverthelifetime ofthebuildingrequiredforFEEandSAPassessments

Designed to meet Building Control’s revised specifications and the Code For Sustainable Homes •ComplieswithPartLofthe2010BuildingRegulationsandcanhelptoachieve CfSHratingsof3-6(eachfloor’sperformanceisprojectspecific)

Integral Insulation System •Removestheneedtostoreorworkwithgroundinsulationmaterialsonsite •SpanThermisanintegralconcreteandinsulationsystem,providingconsistently highproductqualityproducedinafactorycontrolledenvironment

Performance

Thermal Performance •AchieveaU-valueaslowas0.12W/m2K •Significantthermalmass •Flooringthermalcalculationservice

Durable and Robust •SpanThermdoesnotdeterioratewithagewithinthelifetimeofthebuilding

Product Quality •UnitsdesignedtoBSEN1992-1-1:2004Eurocode2:Designofconcretestructures andBSEN13224:2004Precastconcreteproducts–Ribbedfloorelements •ManufacturedinaccordancewithISO9001,ISO14001,OHSAS18001

www.SpanTherm.com

Integrated HeatingUnderfloorheatingcoilscanbeincorporatedintoSpanThermflooringduringmanufacture,basedonCreagh’sClimaspantechnologytomaximisethebenefitsofthermalmassandreducefloorfinishingheights–ForfurtherinformationpleasespeakwiththeSpanThermTechnicalTeam

Reduced Screed Depths and CostsSpanThermprovidesaflatfinishedstructuralsubfloorwithoutcamber,therebyfacilitatingtheuseofaflowing25mmselflevellingscreedtoreducelabourandmaterialcosts.Thesystemissuitablefortimberframeandothertypesofhomeconstruction,whichincorporatesserviceswithinthewalls.

Integral Insulation System

and/or

SpanTherm has a completely insulated soffit.

SpanTherm / Page 7

Please note –Wehavenotshownaventilatedvoid,asnostructuralsurfaceisvisible/vulnerable.ObtainDesigners’andLocalAuthority’sapproval.

Generaldetailsaretypical;obtainpermissionforactualpositionsandspecificationofDPC,insulation,vents,radonandgasprotection,ifrequired,etc.fromlocalBuildingControl

AnumberofdifferentfinishescanbeusedwithSpanThermincludingtimber,screed,tilingetc.

TechnicalSpanTherm offers excellent ground floor spanning capabilities for residential and mid-sized commercial construction projects.

Blockwork Stud Partition PartitionDomestic Live Load of 1.5kN/m2 No Partitions [1kN/m2] [6kN/m]

FINISH MAXIMUM CLEAR SPAN [mm]

100mmconcretescreed 6200 5900 505075mmconcretescreed 6450 6100 515050mmconcretescreed 6700 6300 525025mmselflevellingscreed 7050 6550 5350Timberbattens 7100 6600 5400

Garage Live Load of 2.5kN/m2 No Partitions

FINISH MAXIMUM CLEAR SPAN [mm]

100mmconcretescreed 5950 — —75mmconcretescreed 6150 — —50mmconcretescreed 6350 — —

Notes :

UnitsdesignedtoBSEN1992-1-1:2004Eurocode2:DesignofconcretestructuresandBSEN13224:2004Precastconcreteproducts-Ribbedfloorelements Tableshowsmaximumclearspantonearest50mm

Bearingof100mmrequiredonblockwork.

Deflectionlimitedtoeffectivespan/250.GaragestohaveminimumC25/30concretescreedwithanticrackmesh

PleasecontactSpanTherm’sTechnicalTeamforspecialcasese.gpointloadsetc.

www.SpanTherm.com

SpanTherm Self-weight 220kg/m2

USpanTherm is capable of achieving a flooring U-value of 0.12W/m2K.

Element DescriptionElement

Thickness (mm)

Thermal Conductivity

(W/mK)

Thermal Resistance

(m²K/W)

InsideSurface - - 0.170FloorDeck90mmaverageDenseConcreteSlab

- - 0.053

ExpandedPolystyreneEPS70SD 175.0 0.038 4.605Ground - - 0.170

Thermal Performance

SpanTherm / Page 9

Ground Floor DetailsCalculationmethod: ENISO13370P/A: 0.100mFloortype: SuspendedfloorDeckresistance: 0.053m²K/WDescription: 90mmaverageDense ConcreteSlabEdgeinsulation: None

U-value - 0.12W/m²KU-value,CombinedMethod:0.12W/m²K(upper/lowerlimit4.998/4.998m²K/W,dUf0.0000,dUg0.0000,dUp0.0000,dUr0.0000,dUrc0.0000)(Correctionformechanicalfasteners,DeltaUf=0.000W/m²K)(Correctionforairgaps,DeltaUg=0.000W/m²K

Construction Type

Element: SuspendedGroundFloor–SpanThermInternalsurfaceemissivity: HighExternalsurfaceemissivity: High

ThermalperformancecalculatedinaccordancewithENISO13370.DetailedU-Valuecalculationresultsshownbelow:

UArea(A)istheareainsq.metresmeasuredalongthefinishedinternalfacesoftheexternalelements.

Perimeter(P)istheexposedperimetermeasuredalongthefinishedinternalfacesoftheexternalelements.

1.Measurethefloorperimeter(P)inmetres2.Calculatethefloorarea(A)insq.metres3.DividetheperimeterbytheareatogettheP/Aratio4.DeterminetheU-valuefromthetable.

P/A

Ratio

U-value

Based on EPS 70

( lambda

0.038W/mK )

0.1 0.120.2 0.150.3 0.160.4 0.160.5 0.170.6 0.170.7 0.180.8 0.180.9 0.181.0 0.18

Thermal Performance

www.SpanTherm.com

ToobtaintheU-valueofthefloorelementusingSpanTherm:

The SpanTherm system combines thermal mass and high grade insulation to create superior thermal performance. The units incorporate insulation detail at bearings to minimise cold bridging.

Unheatedspacesnotincludedwithintheinsulatedfabricsuchasattachedgarages/porchesetcareexcludedwhencalculatingthefloorarea,butthelengthofwallbetweentheheatedbuildingandsuchunheatedspacesisincludedwhencalculatingtheperimeter.

AllU-valuesareprojectspecific;TeamSpanThermworkswithyoutoshareadviceandprovidefloordesignstoachievetheflooringU-valuerequired.

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SpanTherm / Page 11

Edge Detail(cut through mid-span)

EdgeProfile

Edge Detail for Timber Frame(cut through mid-span)

KEY

1. SpanThermUnit1a. InsulationElement1b. ConcreteElement1c. LocalisedBearingPoint2. DPC3. Screed*4. Block-workSupport5. CavityWallInsulation

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www.SpanTherm.com

Bearing Detail at 215mm Wall

Edge Detail(cut through mid-span)

BearingDetail

End Bearing

* All examples demonstrate a screed finish for illustrative purposes.

SpanTherm / Page 13

SpanTherm is manufactured in accordance with ISO 9001, ISO 14001 & OHSAS 18001

Partitions

Canbebuiltoffthefloorprovidingthesehavebeenallowedforinthedesign.Generally6kN/mblockworkwallsrunparalleltospan(loadsharedbetweenribsofadjacentunits).Wallsthatcanbebuiltoffthefloorwillbeshowndottedonourlayoutdrawings.

Garages

Domesticgaragesaredesignedtocarryadistributedloadof2.5kN/m2oraconcentratedloadof9.0kN.Finishesminimum:50mmconcretescreedwithaminimumcompressivestrengthof25N/mm2reinforcedwithA142steelmeshapplieddirectly.

Bearing

SpanThermrequiresabearingof100mmonmasonry.Slabscanbesupportedbytheinnerskinofthecavitywallstoprovidesidebearing,providingthishasbeenallowedforinthedesign.

Services

Allserviceholesareformedduringthemanufactureoftheslabs,ourstandardservicenotchis200mmx200mm.PleasecontacttheSpanThermTechnicalTeamiflargeropeningsarerequired.Pleasenote,thatserviceholescannotbecutthroughribsofslabs.

StandardDimensions

1200mmwidex350mmdeep900mmwidex350mmdeep400mmwidex350mmdeep

Grout-30Nconcretewithanaggregatesizeofnotmorethan10mm

BuildingRegulations

SpanThermwillprovideinsulationlevelswhichcomplywithPartLofBuildingRegulationsEngland,WalesandNIandSection6(previouslyPartJ)forScotland.

Eachfloor’sthermalperformanceneedstobeassessedindividuallyinaccordancewithENISO13370:1998tocomplywiththe2010editionofPartLoftheBuildingRegulations.

Design Specification

Design

Ourproductsareunderconstantreview,minorchangesindetailmayoccur

www.SpanTherm.com

Technical Support Services

SpanTherm is a bespoke flooring product and each project is designed specifically for our individual customer needs. The SpanTherm Technical team is on hand throughout the scheme to provide advice on technical and design queries.

AcompletedesignservicewhichincludesprovisionofCADbaseddrawingsisprovidedalongwithallrelevantstructuralandthermaldesigncalculations.

Section1-1

The Complete Service Package

Team SpanTherm offers a unique comprehensive service, providing both the materials and installation

•Engineeredfloordesign •Complimentaryflooringlayoutandestimatingpackage •Thermalcalculations •Floorsmanufacturedtoorder •Rapiddeliverynationwide •Installationincludinggroutingservice •ProvisionofEngineer’sdesigncertificate&calculations

Leavingyouwithacompletestructuralsubflooron-sitewithin3hours–providinganimmediate,safeworkingplatformreadyforfollowontradesimmediately.

The Difference On-Site

UsingtheSpanThermflooringsystemremovestheneedforthecontractortoarrangeanyofthefollowing;

•Cranes •Readymixedconcretesupplier •Storingandcuttingofinsulationon-site •Meshreinforcement •Curingtime •Formwork

Benefits:

•Significantlyreduceson-siteconstructiontime-singledayvisit •Structuralsubfloorreadytobuildoffnextday •Eliminatescranes,formworkandtheneedtofixpolystyreneon-site •Providesathermallyefficientsustainable,structuralandcosteffectivefloor. •Factoryproducedproductgivingconsistentinsulationandconcretecoverage overthespanoftheunit.

SpanTherm / Page 13

Working With SpanTherm

Handling SpanTherm

TheSpanThermteamprovidesacompletedeliveryandinstallationservice(dependantonlocation).Themajorityofourcustomerswillnotbeinvolvedinliftingorstackingunits.Ifthisdoesoccur,thefollowingadviceshouldbeadheredto:

•SpanThermunitsshouldalwaysbeplacedonlevelground •Theunitsshouldbesupportedat4levelpointsatcorners. •Usepurposemadeliftinghooksorchainsateachend. •Unitscanbestackeddirectlyontopofeachotherwithoutusingsupport inbetween.Supportrequiredonlyatbottom.Maximumstackof4unitshigh.

Grouting of SpanTherm units

SpanThermprovideacomprehensivegroutingservice,however,whenundertakenbycustomers,thefollowingproceduresshouldbefollowed:

•Watertobesprayedonjointspriortogrouting •Floorstobegroutedbeforetheyareloaded andbeforejointsbecomefilledwithdebris •Grouttobe30Nconcretewithanaggregate sizeofnotmorethan10mm. •Groutshouldbecuredbeforefloorsareloaded •1m3ofgroutwillcover100linearmetres ofSpanTherm

NOTE:Itisessentialthatthecorrectgroutingprocedureisfollowedtoensurethestructuralintegrityofthefloor.

Ensurethefloorisgrouted Groutwiththecorrectmix Makesuretheflooriscuredbeforeloading Takemeasurestoprotectthegroutfrom inclementweather

www.SpanTherm.com

SpanTherm / Page 17

5 Easy Steps

1: Design & Estimating Package TheSpanThermTechnicalTeamisavailabletoadviseregardingthemostefficient structuralflooringsolutionforyourproject,includingtheflooringthermal calculations.Wesimplyrequireafullsetofplansandinreturnweshallprovide afreeestimatingpackagewhichincludesafloordesignlayoutdrawing.

2: Order & Site Survey Onreceiptofyourorder,weissueanorderacknowledgementincludingpayment terms.Weshallagreetotakemeasurementsfromplanorconductasitesurvey (asappropriate).AspartoftheSiteSurvey(on-siteorbytelephone)wecheck siteaccess,blockwallbearings,healthandsafety,vehiclepositionsandobstructions.

3: Design TheDesignTeampreparesadetailedflooringlayoutbasedonthefinaldimensions agreed.Thelayoutisissuedtothefactoryforscheduledproduction.Theflooris manufacturedandloadedinthecorrectsequencetofacilitateefficientinstallation.

4: Despatch TheSpanThermDespatchTeamchecks(bytelephone)withyoursite representative,toensurethesiteispreparedforinstallation.Thechecklistincludes; Siteaccess,hardstanding,clearareaforvehiclesetup,stablebearings(cured blockwork)andwateravailablity.

5: Delivery & Installation TheInstallationTeamfitsandgroutsthefloor.Thistakesapprox.3hours fromstarttofinish(basedona90m2floorarea).

www.SpanTherm.com

Frequently Asked Questions

1.TheoverallfloordepthoftheSpanthermsystem is greater than most other ground floormethods,whyisthis?

TheinsulationthicknessontheSpanThermunitisgreaterthanthatusedinmajorityofsystemsandthisistoensurethatthefloorexceedscurrentU-valuerequirements(0.25W/m²K)forgroundfloorconstruction.Thedesignhasbeendevelopedinanticipationofthenewbuildingregulationsduein2013.Theoveralldepthoftheslabcanbeallowedforinconstructionoffootingblock-worklevels.

2.CanSpanthermfloorsystemaccommodate bay windows and other non-90⁰end/bearingformations?

Yes,wecanprovideend-bearingformationstoanyreasonableanglerequired.

3.IsSpanthermBBAcertified?

BBAcertificationhasbeenappliedforandtheprocess,whichcantakeanythingupto12monthstocomplete,isunderway.TheinsulationusedinSpanThermunitsisBBAapproved.

4. How does Spantherm deal with additional appliedloadsotherthanUDL,e.g.wallsbuiltoff,pointloads,etc.?

Architects’drawingswillindicatethelocationandextentofsuchappliedloads.OurengineerswillcalculatethenecessaryreinforcementrequiredandlayoutdrawingswillfacilitatethebearingofsuchloadsthroughproperpositioningofSpanthermunits,normallyplacingtheunit’ssupportbeam(beams)indesiredlocations.

5.DoesSpanthermfloorsystemalwaysrequireaconcretescreed?

No,thisflooringsystemdoesnotrequireascreedstructurally.Ourload/spantablesallowfortheadditionalloadappliedwhenascreedisplacedonlybecauseitisnormallyrequiredonsitetoaccommodatecoveringofpipes,etc.

Whereascreedisnotneededfromasiteperspectivethenfloorfinishessuchastiles,woodenorlaminatefloorsandcarpetwithproperunderlaycanbeplaceddirectlyontoSpanthermunits.Wemustbenotifiedinadvanceifthisisthecasetoensuresurfacefinishandgroutingproceduresaredealtwithaccordingly.

6. Can insulation be exposed to hardcore/fill?

Theremustbeclearancebetweenthehardcore/fillandtheundersideoftheslabtoprovideprotectionforthepolystyreneandpreventdamage.

Becausetheinsulationisshelteredfromsunlight(UV)itisinertandstabletherefore,rotwillnotoccur.AsthereisnonutrientinEPSverminwillnotbeattracted.

7.Isheatlostdownwards,whenunder-floorheatingpipesareplacedontopoftheslab?

Under-floorheatingpipescanbelaidontopoftheslabaspernormalinstallation.Theunder-floorheatingsystemwillheattheconcrete.Concreteprovidesthermalmass,retainingheatandkeepingthefloorwarmerforlonger.Itnaturallyradiatestheheatupwardsasthepolystyreneunderneathactsasaninsulationbarriertokeeptheheatretainedwithintheslab.

8.Whyisthedepthofinsulationincreasedtowardsthemiddleoftheslab?Whynotjustmakeitcompletelyflatandhavegreateramountofinsulation?

TheinsulationontheslabprovidesthegivenU-value.Theslabhasbeendesignedtoprovideaneconomicalsolution,tosatisfyproduction,environmentalandstructuralrequirements.

ENGLAND(Midlands)

SpanTherm Ltd.Thurgarton LaneHoveringhamNottinghamshireNG14 7JX

Tel: 01480 217 454

ENGLAND(Southern)

Creagh Concrete Products Ltd.152 Great North RoadThe Green, Eaton SoconSt Neots, CambridgeshirePE19 8EJ

Tel: 01480 217 454

SCOTLAND

Creagh Concrete Products Ltd.Newbridge Industrial EstateNewbridgeEdinburghEH28 8PJ

Tel: 0131 333 5405

IRELAND

Creagh Concrete Products Ltd.Blackpark RoadToomebridgeCounty AntrimBT41 3SE

NI : 028 7965 0500ROI: 048 7965 0500

www.spantherm.com

technical@spantherm.com

The Next Step

On receipt of architectural plans we will provide a complimentary Design and Estimating package

England 014 8021 7454Scotland 013 1333 5405Northern Ireland 028 7965 0500Ireland 048 7965 0500

Team SpanTherm is available to discuss your project requirements and provide advice regarding designs, U -values and costs. Please contact us to arrange:

•A face to face meeting with one of our representatives •A Site Survey •A CPD Technical Seminar

Email Plans