Roofing

CEMENT SLATES Eternit slates 600 × 300mm 100 250 13.4 4.00 19.50 (Duracem) 90 255 13.1 3.92 19.20

80 260 12.9 3.85 19.00 70 265 12.7 3.77 18.60

600 × 350mm 100 250 11.5 4.00 19.50 90 255 11.2 3.92 19.20

500 × 250mm 100 200 20.0 5.00 20.00 90 205 19.5 4.88 19.50 80 210 19.1 4.76 19.00 70 215 18.6 4.65 18.60

400 × 200mm 90 155 32.3 6.45 20.80 80 160 31.3 6.25 20.20 70 165 30.3 6.06 19.60

CONCRETE TILES/SLATES Redland Roofing Stonewold slate 430 × 380mm 75 355 8.2 2.82 51.20 Double Roman tile 418 × 330mm 75 355 8.2 2.91 45.50 Grovebury pantile 418 × 332mm 75 343 9.7 2.91 47.90 Norfolk pantile 381 × 227mm 75 306 16.3 3.26 44.01

100 281 17.8 3.56 48.06 Renown interlocking tile

418 × 330mm 75 343 9.7 2.91 46.40

‘49’ tile 381 × 227mm 75 306 16.3 3.26 44.80 100 281 17.8 3.56 48.95

Plain, vertical tiling 265 × 165mm 35 115 52.7 8.70 62.20

Marley Roofing Bold roll tile 420 × 330mm 75 344 9.7 2.90 47.00

100 – 10.5 3.20 51.00 Modern roof tile 420 × 330mm 75 338 10.2 3.00 54.00

100 – 11.0 3.20 58.00 Ludlow major 420 × 330mm 75 338 10.2 3.00 45.00

100 – 11.0 3.20 49.00 Ludlow plus 387 × 229mm 75 305 16.1 3.30 47.00

100 – 17.5 3.60 51.00 Mendip tile 420 × 330mm 75 338 10.2 3.00 47.00

100 – 11.0 3.20 51.00 Wessex 413 × 330mm 75 338 10.2 3.00 54.00

100 – 11.0 3.20 58.00 Plain tile 267 × 165mm 65 100 60.0 10.00 76.00

75 95 64.0 10.50 81.00 85 90 68.0 11.30 86.00

Plain vertical 267 × 165mm 35 110 53.0 8.70 67.00 tiles (feature) 34 115 56.0 9.10 71.00

Type

Length Plain wire Galvanized wire Copper nail Zinc nail

28.5mm 325 305 325 415 34.4mm 286 256 254 292 50.8mm 242 224 194 200

per unit area

mass unit area of fibre

base

Nominal length of roll

(kg/10m) (g/m2) (m)

Class 1 1B fine granule 14 220 10 or 20 surfaced bitumen 18 330 10 or 20

25 470 10 1E mineral surfaced bitumen 38 470 10 1F reinforced bitumen 15 160 (fibre) 15

110 (hessian) 1F reinforced bitumen, aluminium faced 13 160 (fibre) 15

110 (hessian)

Class 2 2B fine granule surfaced bitumen asbestos 18 500 10 or 20 2E mineral surfaced bitumen asbestos 38 600 10

Class 3 3B fine granule surfaced bitumen glass fibre 18 60 20 3E mineral surfaced bitumen glass fibre 28 60 10 3E venting base layer bitumen glass fibre 32 60* 10 3H venting base layer bitumen glass fibre 17 60* 20

* Excluding effect of perforations