Battening and Holing Gauges for Slate Roofing

The table below gives a range of sizes for the correct Batten Gauge (distance between battens) for your chosen slate length and lap.

It also allows you to determine the holing gauge (distance from hole to tail of slate) and the number of linear metres of batten per m2 of roof.

Other sizes may be available, please contact us for further information.

 

Batten Gauge mm

lin m Batten per m2 50

Holing Gauge mm

Headlap mm

 

 

 

Slate Length mm

 

 

 

600

275

3.64

335

550

250

4

310

500

225

4.44

285

455

202

4.95

262

400

175

5.71

235

350

150

6.67

210

300

125

8

185

 

 

 

 

Batten Gauge mm

lin m Batten per m2 80

Holing Gauge mm

Headlap mm

 

 

 

 

Slate Length mm

 

 

 

 

600

 

260

3.85

350

550

 

235

4.26

325

500

 

210

4.76

300

455

 

188

5.33

278

400

 

160

6.25

250

350

 

135

7.41

225

300

 

110

9.09

200

 

 

 

Batten Gauge mm

lin m Batten per m2 90

Holing Gauge mm

Headlap mm

 

 

 

 

Slate Length mm

 

 

 

 

600

 

255

3.92

355

550

 

230

4.35

330

500

 

205

4.88

305

455

 

183

5.48

283

400

 

155

6.45

255

350

 

130

7.69

230

300

 

105

9.52

205

 

 

 

 

Batten Gauge mm

lin m Batten per m2 100

Holing Gauge mm

Headlap mm

 

 

 

 

Slate Length mm

 

 

 

 

600

 

250

4.00

360

550

 

225

4.44

335

500

 

200

5.00

310

455

 

178

5.63

288

400

 

150

6.67

260

350

 

125

8.00

235

300

 

100

10.00

210

 

 

 

Sales Office
Penrhyn Quarry
Bethesda
Bangor
Gwynedd
LL57 4YG

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

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