Product data SILKA calcium silicate elements - Xella UK

Thermal characteristicsLinear coefficient of expansion:α=9–12x10 –6 m/(m.K).Thermal conductivity:λ = 0,91 W/m.K.Specific heat c = 1.000 J(kg.K).Durability (freeze/thawressistance):Not determendApplication, designE 100 to E 300: inner leaf cavitywalls and (non) load bearingconstructions in masonry back-up.E 150, E 214: leafs of a cavitywall in anchorless cavity walls inmasonry back-up.Usability, requirements: SILKAlarge format elements meet theEN771-2 requirements.Building ProcessStorage: on stable, even and noncontaminatedsurface.Preparation: pre-processingcheck (by client) of the workingwall drawings supplied by XELLA.Large format blocks, cut blocksand kicker course blocks, whichare too dry for processing, shouldbe moistened one day before use.Application/erection: consult theSILKA application instructions.The large blocks are mechanicallystacked, according to thewall drawings supplied with everywall, with calcium silicate thinbed mortar, bed joint thickness2 mm, perpend joint thickness 3mm. Both perp ends and bed jointsmust be fully filled with mortar.Accessories: SILKA thin bed mortarapplicators, mortar scoops,clamping devices and craneswere developed especially for theprocessing of SILKA large formatblocks.Movement joints: movement jointsare indicated on the wall drawingssupplied by SILKA/XELLA.Finishing: SILKA large formatelements are applied as masonrywalls and can be made ready forwallpaper by means of thin finishingskim plaster.Workability: machine sawing.Product data SILKA large format elements3

Other informationXella’s technical staff are on hand to renderassistance with written or telephone enquiries.Xella UKP.O Box 10028Sutton ColdfieldUnited Kingdom B75 7ZFTel: +44 (0) 870 609 0306Fax: +44 (0) 870 240 2948silka-uk@xella.comwww.xella.co.ukSILKA, YTONG and XELLA are registered trademarks of the Xella Group