Marley Eternit brochure - Build It Green

Melbourninterlocking slatesA lightweight product that closely resemblesnatural slate, but is easier and faster to install.327mm300mmColour availabilityMelbourn Grey (R)Key(R) Riven finishMelbourn fittingsTo match main slates.Melbourn should be laid broken bond. The required brokenbond pattern is created by the introduction of slate-and-a-halfslates, to form verges in alternate courses.600300Melbourn double slate450Melbourn Slate and Half300Technical dataSize of slateEffective coverMinimum pitch* 15°Maximum pitch 90°Minimum headlapMaximum gaugeCover widthHanging length300mm x 327mm300mm x 250mm50mm (20° and above)65mm (below 20°)250mm (50mm headlap)235mm (65mm headlap)300mm (nominal)296mm (nominal)Covering 13.3 slates/m 2capacity (net) at 50mm headlap14.2 slates/m 2at 65mm headlapWeight of slating 15.3kg/m 2 (0.15 kN/m 2 )(approx.) at 50mm headlapBattens required(net)Batten sizerecommended(fixed to BS 5534)Slate nailsFixing clipsAuthority16.5kg/m 2 (0.16 kN/m 2 )at 65mm headlap4.0 lin.m/m 2 at 50mm headlap4.4 lin.m/m 2 at 65mm headlap50 x 25mm for rafters/supportsnot exceeding 600mm centres35mm x 2.65mm stainlesssteel ring shankEaves, verge and valley clipsAgrément CertificateNo. 00/3702* The minimum recommended pitch and lap may be influencedby special circumstances, please contact the TechnicalAdvisory Service.All Melbourn slates laid on roof pitches 15°-24° should betwice nailed and on roof pitches 25°-90° should be twicenailed in accordance with the recommended fixing procedure.This specification is the minimum requirement and should beconfirmed for specific projects by contacting the TechnicalAdvisory Service or by reference to the Melbourn Fixing Tablesin the Marley Eternit Zonal Fixing Methods User’s Guide. For acopy of the fixing tables, visit www.marleyeternit.co.uk/downloads18 Slates