Roofing Slate Sizes and Weights

STANDARD SIZES & WEIGHTS IN TONNES PER 1000 SLATES

The weights shown are exclusive of any packaging, or crating material. The weights for other thicknesses or sizes are available on request from our technical department. The weights are approximate. Slate thicknesses quoted are nominal and subject to variation. Other sizes may be available, please contact us for further information

 

Size (Nominal) mm

Penrhyn Heather Blue

Cwt Y Bugail Dark Blue Grey

Capital

County

Celtic

Capital

County

Celtic

5.5mm

7mm

9mm

5.5mm

7mm

9mm

600

x

350

3.23

4.12

5.29

3.12

3.97

5.10

600

x

300

2.77

3.53

4.54

2.67

3.40

4.37

550

x

300

2.54

3.23

4.16

2.45

3.12

4.01

500

x

300

2.23

2.94

3.78

2.23

2.84

3.65

500

x

250

1.93

2.45

3.15

1.86

2.36

3.04

455

x

300

2.10

2.68

3.44

2.03

2.58

3.32

455

x

250

1.75

2.23

2.87

1.69

2.15

2.76

400

x

300

1.85

2.35

3.02

1.78

2.27

2.92

400

x

250

1.54

1.96

2.52

1.49

1.89

2.43

400

x

200

1.23

1.57

2.02

1.19

1.51

1.94

350

x

300

1.62

2.06

2.65

1.56

1.98

2.55

350

x

250

1.35

1.72

2.21

1.30

1.65

2.13

350

x

200

1.08

1.37

1.76

1.04

1.32

1.70

300

x

300

1.51

1.76

2.27

1.34

1.70

2.19

300

x

250

1.16

1.47

1.89

1.11

1.42

1.82

300

x

200

0.92

1.18

1.51

0.89

1.13

1.46

Sales Office
Penrhyn Quarry
Bethesda
Bangor
Gwynedd
LL57 4YG

+44 (0) 1248 600656
enquiries@welshslate.com

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