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Marley
Thrutone

Thrutone

Product catalog summary

Introduction
Marley Eternit introduces new Graphite and Zinc Grey colors to the Thrutone range of fibre cement slates, designed for complex roof geometries.

Sustainability
- Green guide rating: A+ (Element Ref: 812410008)
- BES 6001: Very good, can achieve 3 credits
- Environmental Product Declaration (EPD) available

Technical Specifications

Size: 600mm x 300mm
Minimum Pitch:
- Moderate exposure: 22.5° (100mm lap), 20° (110mm lap)
- Severe exposure: 25° (100mm lap), 22.5° (110mm lap)
- 4m max. rafter length: 15°-17.5° (110mm lap)
- 6m max. rafter length: 17.5°-20° (110mm lap)
Maximum Pitch: 90°
Typical Laps: 100, 110mm
Maximum Gauge: 245-250mm
Slate Thickness: 4mm
Covering Capacity: 13.4 slates/m² at 100mm lap, 13.6 slates/m² at 110mm lap
Weight of Slating: 20.4 kg/m² at 100mm lap, 20.9 kg/m² at 110mm lap
Battens Required: 4.00 lin.m/m² at 100mm lap, 4.08 lin.m/m² at 110mm lap
Batten Size: 38 x 25mm for rafters/supports not exceeding 450mm centres, 50 x 25mm for rafters/supports not exceeding 600mm centres (fixed to BS 5534)
Fixings: Slate nails (30 x 2.65mm), Copper disc rivets (19mm dia. x 2mm stem), Fittings screws (14 gauge self-sealing)
Authority: BS EN 492

Compliance
Marley Eternit fibre cement slates meet the strength requirement of BS EN 492, achieving an average bending movement greater than 50 NM/M (Class B) with a minimum density of 1700 kg/m³ and a nominal thickness of 4mm.

Note: Minimum recommended pitch and lap may vary under special circumstances; consult the Technical Advisory Service for guidance.

Catalog excerpts

Graphite & Zinc Grey Thrutone fibre cement slates

Open the catalog to page 1

Graphite & Zinc Grey Thrutone fibre cement slates Sustainability Green guide rating Very good – can achieve 3 credits EPD available for Thrutone slates Technical data Size of slate Minimum pitch** Moderate exposure Severe exposure Maximum pitch Typical laps Maximum gauge Slate thickness Weight of slating (approx.) To help you create even more interesting roof designs, Marley Eternit has added the new Graphite and Zinc Grey colours to the popular Thrutone range. Batten size recommended (fixed to BS 5534) 38 x 25mm for rafters/supports not exceeding 450mm centres 50 x 25mm for rafters/supports...

Open the catalog to page 2

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