CyrilPotterisaChemistryandPhysicsGraduateofSouthamptonUniversity.Hewasinitiallyinvolvedinprivateresearchanddevelopmentwork,whichincludedprojectsfortheMinistryofDefence,NASAandUKAEA.Thisworkincludedresearchintoheatsensitivepaintsfortheidentificationofelectroniccomponentsthatexceedtheirdesignedoperatingtemperature;assessmentoffloatationfluidstoprovidestableviscosity/temperaturecharacteristicswhenusedininertialnavigationequipmentinspaceprobesandsatellites;electricitygenerationfrom'hot'isotopesforuseinremotenavigationbeaconsandothersimilarprojects.CyrilPotter12CyrilPotterjointedArdexUKLimitedin1970and,asChiefChemist,hehasbeeninvolvedintheintroductionandmanufactureoftheArdexrangesub-floorsmoothingandlevellingcompounds,specialscreedcementsandspecialisedadhesivesandgrouts.HeisamemberoftheTechnicalCommitteesofTheTileAssociationandtheContractFlooringAssociationandamemberoftheHSETaskForceonEUDirectivesforPortlandcement.HerepresentstheContractFlooringAssociationontheBritishStandardCodeofPracticeCommitteesforInSituFlooringsandScreeds(BS8204)andforTheInstallationofCeramicTiling(BS5385).CyrilPotter1970HSEBS8204BS5385CyrilPotter/1cm2cm2cm7070ARDEXARDURIT16051967ARDEXArduritX73prefabricatedstructures0.5mm5mmthecontactbondingtechnique2m3mm6BS5980DIN18156-EN1200420074EN120043DispersionAdhensiveDRReactionResinAdhesiveCCementitiousAdhesive370DispersionAdhensiveDispersionAdhensiveaqueoussyntheticdispersionsDIYDispersionAdhensiveARDEX1972DispersionAdhensiveArdicolD1syntheticaqueousdispersionsARDEXD30ArdicolD1RreactionresinadhesiveR1R270ARDEXArdipoxPCCCementitiousAdhesivesyntheticaqueousdispersions5ARDEXArduritX7re-dispersiblepolymerpowdercopolymerresinsvinylesterssterichinderancevulnerableesterbondre-dispersiblepolymerpowderC2ARDEXMicrotecrangeoffibrereinforcedadhesivesARDEXzzzzzz6zz-2C2Groutingmaterials2432mm20mm2027.50voids--------3mmNotchedTrowelSize(mm)Heldat45ºtoSurfaceºFlattenedBedThickness3mmsquareteethand3mmsquarenotches3mm3mm1.00mm5mmsquareteethand5mmsquarenotches5mm5mm1.75mm8mmsquareteethand8mmsquarenotches8mm8mm2.80mm10mmsquareteethand10mmsquarenotches10mm10mm3.50mm20mmwidesemicircularnotches*20mm7.00mm20mmdeepwith15mmwidenotchesand10wideteeth15mm20mm15mm8.50mm28mmsquareteethandsquarenotches28mm28mm10.00mm*Notches16mmdeepand20mmwide,teeth7.5mmwide,6mmhightomeetcurveofsemicircle.20mm6mm7.5mm1mm60CP/2008/06/06