GILBERTS - Angus Air

SERIES TCB/FSERIES SEB/FFire Rated Grille& DiffuserConnectionBoxPUBLICATIONDIFFUSERS 16JULY 2006Features● Intumescent or CurtainFire Damper Protection● Top or Side Entry Inlet● Square or Circular Connection● Galvanised Steel Construction(1.2mm)● Designed to suit Louvred &Perforated Face Diffusers● Designed to suit Various Grille SeriesGILBERTS

SERIES TCB/F, SEB/FIntroductionGilberts TCB-F and SEB-F series are a range of purposedesigned plenum/connection boxes with integral firedampers designed to maintain the fire rated integrity in firerated ceiling systems when used with a variety of grille anddiffuser types. Manufactured from 1.2mm galvanised steelwith stainless steel sealed rivets the units are available witheither top or side entry connection in both square or circularformat. The box assembly can be fitted with either anintumescent type fire damper or a curtain type fire damperand provides a one hour rating. The Fire Rated Box hasbeen assessed by Warrington FireResearch to BS476 Pt20 1987 and both theIntumescent and Curtain Fire Dampershave been fully tested to the same standard. Extra insulationand intumescent sealing is however required during boxinstallation to complete the fire rated assembly.The Air terminal is fitted into the box using a concealedbracket fixing arrangement which allows easy removal foraccess to the fire damper for inspection and maintenance.All boxes are complete with fixing angles for 8mm drop rodsupport. Recommended fixing methods for various ceilinglayouts are detailed in this brochure.Features● Intumescent or Curtain Fire Damper Protection● Top or Side Entry Inlet● Square or Circular Connection● Galvanised Steel Construction (1.2mm)● Designed to suit Louvred & Perforated Face Diffusers● Designed to suit Various Grille SeriesFire RatingInstallationSelectionProceedureGilberts fire rated boxes can be fitted with either Curtaintype or Intumescent type fire dampers according topreference.The intumescent option typically features a Gilberts FBL 120damper design which, safely, has a fire rating far exceedingthe 1 hour fire rating for the plenum. Manufactured from highperformance intumescent slats in a Galvanised steel framethe damper is moisture resistant and needs little or nomaintenance. Temperature reactive the damper will start toclose at around 140°C and depending upon the temperaturerise, will fully intumesce and close quickly to provide a fullyTypical installation methods are illustrated on page 4. Allductwork connections to the plenum must be thermallyinsulated. To complete the installation the external surfacesof the plenum must be insulated with mineral wool (byothers). Minimum specification 60kg/m 3 , 25 mm thick grade125W1, Temp range up to 750°C compliant with BS 3958.The TCB & SEB/F series of plenum connection boxes havebeen designed to suit a variety of grille and diffuser types.For sizing and selection information please refer to thedatasheet on the grille or diffuser of choice.sealed barrier to smoke and flames.The curtain fire damper option typically features a GilbertsFG1-FA design which, again, has a fire rating far exceedingthe plenums 1 hour limit. With both the casing and bladesmanufactured from galvanised steel the FG1-FAincorporates a spring loaded blade pack held open by afusible link. Separation of this link at 72°C allows thedamper to close instantly. Removal of the Grille or Diffusercore also allows the link to be released manually and resetfrom the face for testing and inspection.In order to facilitate this, and to allow easy insertion of thebox into the ceiling grid the spigot on Side Entry models issupplied loose. The spigot is a screw in design and shouldbe sealed with intumescent paste upon fitting.Fire Rated Connection Box

SERIES TCB/F, SEB/FGrille BoxesType TCB/FTop EntryROCKSILL MATRESS(TEMP. RANGEUP TO 750°C)BY OTHERSCURTAINSPIGOTINTUMESCENTDIM. A 50mmOPPOSED BLADEDAMPERINSIDE BOX = LIST SIZE(EXCEPT GECA/RC + PG = LIST SIZE +15)STRUCTURAL OPENING = LIST SIZE +10(EXCEPT GECA/RC + PG = LIST SIZE +25OVERFLANGE SIZE = LIST SIZE +45(EXCEPT GECA/RC + PG = LIST SIZE +72Type SEB/FSide Entry25mmROCKSILL MATRESS(TEMP. RANGEUP TO 750°C)BY OTHERSCURTAINOPPOSED BLADEDAMPERINTUMESCENTSPIGOTDIM. APLENUM HEIGHT = DIM A + SPIGOT DIA + 25mmINSIDE BOX = LIST SIZE(EXCEPT GECA/RC + PG = LIST SIZE +15)STRUCTURAL OPENING = LIST SIZE +10(EXCEPT GECA/RC + PG = LIST SIZE +25OVERFLANGE SIZE = LIST SIZE +45(EXCEPT GECA/RC + PG = LIST SIZE +72Grille Only TYPE DIM.AGH & HH SERIES 265GECA/RC & PG 225GE,GC,K,LG & F 225Grille c/w Damper TYPE DIM.AGH & HH SERIES 315GECA/RC & PG 275GE,GC,K,LG & F 275

SERIES TCB/F, SEB/FDiffuserBoxesType TCB/FSPIGOTROCKSILL MATRESS(TEMP. RANGEUP TO 750°C)BY OTHERSCAPTIVE SCREWCURTAINOPPOSED BLADE DAMPERINTUMESCENT275 WITH OPPOSED BLADE DAMPER225 WITHOUT DAMPERNECK SIZE = LIST SIZE -2INSIDE BOX = LIST SIZE +68STRUCTURAL OPENING = LIST SIZE +78OVER FLANGE SIZE = LIST SIZE +144Type SEB/FROCKSILL MATRESS(TEMP. RANGEUP TO 750°C)BY OTHERSCAPTIVE SCREWCURTAINOPPOSED BLADE DAMPERINTUMESCENTSPIGOT275 WITH OBD + NOM SPIGOT225 WITHOUT OPPOSED BLADE DAMPER + NOM SPIGOTNECK SIZE = LIST SIZE -2INSIDE BOX = LIST SIZE +68STRUCTURAL OPENING = LIST SIZE +78OVER FLANGE SIZE = LIST SIZE +144Fire Rated Connection Box4

SERIES TCB/F, SEB/FStructuralOpeningDetailsExamples forGrillesSTRUCTURAL OPENING= LIST SIZE + 10 (+25 ON GECA/RC & PG)INSIDE BOX = LIST SIZENECK SIZE = LIST SIZESTRUCTURAL OPENING= LIST SIZE + 75Examples forDiffusers20.0 34.5INTUMESCENTSEAL(BY OTHERS)FixingMethodsMezzanine Floor8mm STEELDROP RODS(BY OTHERS)STEEL ANGLEOR CHANNEL38 x 38 x 3mm (BY OTHERS)TCBMINERAL WOOLTO 60 KG/M3(25mm THICKMINIMUM - BY OTHERS)Concrete Ceiling8mm STEEL ANCHORBOLTS8mm STEELDROP RODS(BY OTHERS)TCBSTEEL ANGLEOR CHANNEL38 x 38 x 3mm(BY OTHERS)MINERAL WOOLTO 60 KG/M 3(25mm THICKMINIMUM - BY OTHERS)Timber Ceiling8mm STEEL BOLTSSTEEL ANGLEOR CHANNEL38 x 38 x 3mm(BY OTHERS)8mm STEELDROP RODSSEBMINERAL WOOLTO 60 KG/M 3(25mm THICKMINIMUM - BY OTHERS)Fire Rated Connection Box

SERIES TCB/F, SEB/FOrderingSpecificationTYPETCB……Top ConnectionSEB……Side ConnectionGRILLE/DIFFUSER TYPEPlease Specify i.e. DG, GH, GETCB DG FC 450 x 450 DQ 100 dia TSO DQ- 100 dia 4FIRE RATED OPTIONIntumescent Fire Damper........FICurtain Fire Dampe.................FCLIST SIZE OF GRILLE/DIFFUSERSPIGOT & DAMPER OPTIONS(Plus nominal spigot size):No Damper..................SS + SizeButterfly.......................DB + SizeQuadrant......................DQ + SizeIris................................DI + SizeTWIN SPIGOT OPTIONAdjacent................................TSOOpposite................................TSATWIN SPIGOT DAMPER OPTION(see above)NUMBER REQUIREDFixingStandard fixing is by 8mm Steel droprods to fixing angles at rear.Recommended fixing methods asillustrated.FinishGalvanised Mild SteelSize RangeAvailable sizes range from 150 x 150 upto600 x 600 in 25mm increments.ContactGILBERTSHead Office and WorksGILBERTS (BLACKPOOL) LTDGilair Works, Clifton Road,Blackpool.Lancashire FY4 4QT.Telephone: (01253) 766911Fax: (01253) 767941e-mail: sales@gilbertsblackpool.comWeb: www.gilbertsblackpool.comGilberts (Blackpool) Ltd reserve the right to alter the specification without notice. The information contained in this leaflet is correct at time of going to press © 2006.