Birkdale

Colour:

Finish:

Smooth
Textured
No finish

Cedral Birkdale slate has a smooth surface and dressed edges. It offers a traditional and pleasing look of a natural slate at an affordable price, using nail and rivet fixing.

With more cement and fibres than any other, Cedral slates are the strongest slates in the market, tough enough to withstand the most volatile weather conditions.

Birkdale is available in a Blue Black colour. The edge finish and design flexibility means it is ideal as both a roofing and cladding solution.

Benefits and Sizes

  • A+ Green guide rating
  • Can achieve a BES 6001 'Very Good' rating
  • Environmental product declaration available
  • Can be used for both roof and facade
  • Fibre cement is a recyclable building material
  • Low maintenance
  • Low carbon footprint of 16 CO2e/m2

Click to download our Declaration of Performance

Blue-Black
600mm x 300mm

Technical data

Size of slate 600mm x 300mm

Minimum pitch**: Moderate exposure

22.5° (100mm lap)
20° (110mm lap)
Minimum pitch**: Severe exposure 25° (100mm lap)
22.5° (110mm lap)
Maximum pitch 90°
Typical laps 100, 110mm
Slate hooks Hook fixed 100 -150mm
Maximum gauge 245 - 250mm
Slate thickness 4mm
Covering capacity (net)

13.4 slates/m2 at 100mm lap
13.6 slates/m2 at 110mm lap
14.8 slates/m2 at 150mm lap

Weight of slating (appox)

20.4 kg/m2 (0.20 kN/m2) at 100mm lap
20.9 kg/m2 (0.20 kN/m2) at 110mm lap
22.8 kg/m² (0.20kN/m2) at 150mm lap

Battens required (net)

4.00 lin.m/m2 at 100mm lap
4.08 lin.m/m2 at 110mm lap
4.45 lin.m/m2 at 150mm lap

Batten size recommended (fixed to BS 5534)
50 x 25mm for rafters/supports not exceeding 600mm centres
Fixings Slate nails (30 x 2.65mm)
Copper disc rivets (19mm dia. x 2mm stem)
Fitting Screws
14 gauge self sealing
Slate hooks*** Length to equal to lap
Authority BS EN 492

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

*Made to order

**The minimum recommended pitch and lap may be influenced by special circumstances, please contact the Technical Advisory Team for further information

***When using slate hooks the perimeters /local areas (as defined in BS 5534) will require nails and rivets