Sandtoft Calderdale Slate

Sandtoft CalderdaleA cost-effective concrete tile that gives a slate-like appearance with all the benefits of modern interlocking tile design.

Available in a choice of five colours and performs at roof pitches down to 17.5°.

  • BRE Green Guide rating A+
  • Complies with the requirements of BS EN 490 & 491
  • Manufactured under quality management system BS EN ISO 9001
  • Meet the performance requirements of BS 5534
  • Can be fully integrated with the Sandtoft Solar Roof
  • Manufactured using 100% green electricity

Available Colours – Calderdale Slate

Light Grey
Light Grey

Dark Grey
Dark Grey


Terracotta Red
Terracotta Red


Technical Info:- Calderdale Slate

Minimum roof pitch*

17.5° at 100 mm headlap

22.5° at 75 mm headlap

Headlap (minimum)

75 mm

Headlap (maximum)

120 mm

Batten spacing at maximum gauge

345 mm

Batten spacing at minimum gauge

300 mm

Size of tile

420 x 334 mm

Covering capacity at maximum gauge

10.6 tiles per m² at 100 mm headlap

9.9 tiles per m² at 75 mm headlap

Cover width

294 mm

Profile depth

32 mm

Hanging length

399 mm

Weight as laid

56.2 kg per m² at 100 mm headlap

52.5 kg per m² at 75 mm headlap

Weight per 1000

5.3 tonnes

Weight per tile

5.3 kg

Weight per pallet (including pallet/packaging)

1.1 tonnes

Quantity per pallet


Quantity per row/band


Quantity per mini pack


Quantity per layer


Mini packs per row


Battens per m²

3.1 m at 100 mm headlap

2.9 m at 75 mm headlap

Batten size – up to 450 mm rafter centres

38 x 25 mm

Batten size – up to 600 mm rafter centres

50 x 25 mm

Nail size/type for tiles

50 x 3.35 mm aluminium ring shank clout head

Nail size/type for tile clips

50 x 3.35 mm aluminium ring shank clout head

Fittings:- Calderdale Slate

Left Hand Verge Tile

Left & Right Hand Verge Half Tiles

Angle & Legged Angle Ridges

Angle & Legged Angle

Monopitch Ridge

Fibreglass Valley

Tile Clip

Eaves clip

Verge Clip

Contact John for more information or give us a call on 0161 724 4004