HTF TL No.24 – Issue No2 Dec 2012
This list has been compiled to help professionals specify the correct tiles for specific pitches of roof. Please note that it is not an exhaustive list and every care has been taking to ensure that the contents are accurate at the time of production.
Marley Eternit Roofing Products – Interlocking Tiles – Clay |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Sandringham |
60 |
22.5 |
Min: 47mm |
403mm x 325mm |
9.9 for 47mm head-lap |
Domino |
60 |
25 |
Min: 83mm |
437mm x 257mm |
12.4 for 83mm head-lap |
Marley Eternit Roofing Products – Interlocking Tiles – Concrete |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Wessex |
44 |
15 |
75mm – Smooth |
413mm x 330mm |
9.9 / 10.7 for 75 / 100mm head-lap |
Modern / Duo Modern |
90 |
17.5 |
100mm – Smooth |
420mm x 330mm |
9.9 / 10.7 for 75 / 100mm head-lap |
22.5 |
75mm – Smooth |
25 |
100mm – Granular |
30 |
75mm – Granular |
Ludlow Plus |
90 |
25 |
75mm – Smooth |
387mm x 229mm |
15.7 / 17.1 for 100mm head-lap |
30 |
75mm – Granular |
22.5 |
100mm – Smooth |
Ludlow Major |
90 |
25 |
75mm – Smooth |
420mm x 330mm |
9.8 / 10.6 for 75 / 100mm head-lap |
30 |
75mm – Granular |
22.5 |
100mm – Smooth |
EcoLogic Ludlow Major |
90 |
25 |
75mm – Smooth |
420mm x 330mm |
9.8 / 10.6 for 75 / 100mm head-lap |
30 |
75mm – Granular |
22.5 |
100mm – Smooth |
Anglia |
90 |
30 |
75mm – Smooth |
387mm x 230mm |
15.7 / 17.1 for 75 / 100mm head-lap |
30 |
75mm – Granular |
25 |
100mm – Smooth |
Double Roman |
90 |
25 |
75mm – Smooth |
420mm x 330mm |
9.8 / 10.6 for 75 / 100mm head-lap |
30 |
75mm – Granular |
22.5 |
100mm – Smooth |
Mendip |
90 |
22.5 |
75mm – Smooth |
420mm x 330mm |
9.7 / 10.5 for 75 / 100mm head-lap |
30 |
75mm – Granular |
25 |
100mm – Granular |
Edgemere |
90 |
22.5 |
75mm – Smooth |
420mm x 330mm |
69.7 / 10.5 for 75 / 100mm head-lap |
17.5 |
100mm – Smooth |
Duo Edgemere |
90 |
22.5 |
75mm – Smooth |
420mm x 330mm |
69.7 / 10.5 for 75 / 100mm head-lap |
17.5 |
100mm – Smooth |
Ashmore |
90 |
22.5 |
Min: 77mm |
267mm x 333mm |
17.5 / 19 for 77 / 92mm head-lap |
Marley Eternit Roofing Products – Plain Tiles – Clay |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Acme Single Camber |
90 |
30 |
65mm min 100mm max – Sand-faced & Smooth |
265mm x 165mm |
60 for 100mm head-lap |
Acme Double Camber |
90 |
35 |
65mm min 100mm max – Sand-faced & Smooth |
265mm x 165mm |
60 for 100mm head-lap |
Hawkins |
90 |
30 |
65mm min 100mm max – Sand-faced & Smooth |
265mm x 165mm |
60 for 100mm head-lap |
Ashdowne |
90 |
35 |
65mm min 100mm max – Sand-faced & Smooth |
265mm x 165mm |
60 for 100mm head-lap |
Marley Eternit Roofing Products – Slates – Fibre Cement |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Rivendale |
90 |
22.5*
25* |
100mm / 110mm Smooth |
600mm x 300mm |
13.4 / 13.6 for 100mm / 110mm head-lap |
Birkdale |
90 |
22.5*
25* |
100mm / 110mm Smooth |
600mm x 300mm |
13.4 / 13.6 for 100mm / 110mm head-lap |
Melbourn |
90 |
15 |
50mm (20° & Above) / 65mm (Below 20°) |
300mm x 327mm |
13.3 / 14.2 for 50mm / 65mm head-lap |
Edgemere / Duo Edgemere |
90 |
17.5 |
75mm (20° & Above) / 100mm (Below 20°) |
420mm x 330mm |
9.7 / 10.5 for 75mm / 100mm head-lap |
Garsdale |
90 |
22.5*
25* |
100mm / 110mm Smooth |
600mm x 300mm |
13.4 / 13.6 for 100mm / 110mm head-lap |
Thrutone |
90 |
22.5*
25* |
100mm / 110mm Smooth
100mm Smooth |
600mm x 300mm
500mm x 250mm |
13.4 / 13.6 for 100mm / 110mm head-lap & 20 for 100mm head-lap for the smaller tile |
* This is for severe exposure but slates can go down to 20° (22.5) & 22.5° (25) if moderate exposure |
Marley Eternit Roofing Products – Plain Tile – Concrete |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Plain Tile |
90 |
35 |
Min: 65mm |
267mm x 168mm |
60 / 53 for 100 / 115 head-lap |
Monier Redland Roofing Systems– Profile Range |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Landmark Double Pantile |
90 |
17.5 |
75mm |
418mm x 332mm |
9.7 / 10.5 for 75 / 100mm head-lap |
15 |
100mm |
Grovebury |
90 |
17.5 |
75mm – Smooth |
418mm x 332mm |
9.7 / 10.5 for 75 / 100mm head-lap |
15 |
100mm – Smooth |
30 |
75mm – Granular |
22.5 |
100mm – Granular |
50 Double Roman |
90 |
22.5 |
75mm – Smooth |
418mm x 330mm |
9.7 / 10.5 for 75 / 100mm head-lap |
17.5 |
100mm – Smooth |
30 |
75mm – Granular |
22.5 |
100mm – Granular |
Landmark Double Roman |
90 |
22.5 |
75mm |
418mm x 330mm |
9.7 / 10.5 for 75 / 100mm head-lap |
17.5 |
100mm |
Regent |
90 |
17.5 |
75mm – Smooth |
418mm x 332mm |
9.7 / 10.5 for 75 / 100mm head-lap |
12.5 |
100mm – Smooth |
30 |
75mm – Granular |
22.5 |
100mm – Granular |
Renown |
90 |
17.5 |
75mm – Smooth |
418mm x 332mm |
9.7 / 10.5 for 75 / 100mm head-lap |
12.5 |
100mm – Smooth |
30 |
75mm – Granular |
22.5 |
100mm – Granular |
Norfolk Pantile |
90 |
22.5 |
75mm |
381mm x 227mm |
16.3 / 17.8 for 75 / 100mm head-lap |
17.5 |
100mm |
Redland 49 |
90 |
25 |
75mm – Smooth |
382mm x 226mm |
16.3 / 17.8 for 75 / 100mm head-lap |
17.5 |
100mm – Smooth |
30 |
75mm – Granular |
22.5 |
100mm – Granular |
Redland Roofing Systems – Plain Tiles |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Rosemary |
90 |
35 |
65mm – Roof |
265mm x 165mm |
60 / 52 for roof / vertical |
35mm – Vertical |
Heathland |
90 |
35 |
65mm – Roof |
265mm x 165mm |
60 / 52 for roof / vertical |
|
35mm – Vertical |
Downland |
90 |
35 |
65mm – Roof |
265mm x 165mm |
60 / 52 for roof / vertical |
|
35mm – Vertical |
Plain Tile |
90 |
35 |
65mm – Roof |
268mm x 165mm |
60 / 52 for roof / vertical |
|
35mm – Vertical |
Ornamental Tiles |
90 |
40 |
N/A |
Varying |
Varying |
Redland Roofing Systems – Slates |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Cambrian Slate |
90 |
25 |
50mm |
300mm x 336mm |
13.3 / 14.8 for 50 / 75mm head-lap |
15 |
75mm |
Mini Stonewold |
90 |
22.5 |
75mm |
418mm x 334mm |
9.9 / 10.7 for 75 / 100mm head-lap |
17.5 |
100mm |
Mockbond Mini Stonewold |
90 |
22.5 |
75mm |
418mm x 334mm |
9.9 / 10.7 for 75 / 100mm head-lap |
17.5 |
100mm |
Saxon 10 |
90 |
22.5 |
75mm |
412mm x 332mm |
9.7 / 10.5 for 75 / 100mm head-lap |
17.5 |
100mm |
Landmark Slate 10 |
90 |
22.5 |
75mm |
418mm x 330mm |
9.7 / 10.5 for 75 / 100mm head-lap |
17.5 |
100mm |
Richmond 10 |
90 |
22.5 |
75mm |
412mm x 332mm |
9.7 / 10.5 for 75 / 100mm head-lap |
17.5 |
100mm |
Mockbond Richmond 10 |
90 |
27.5 |
75mm |
418mm x 330mm |
10.5 for 100mm head-lap |
17.5 |
100mm |
Stonewold II |
44 |
17.5 |
75mm min / 125mm max |
430mm x 380mm |
8.2 for 75mm head-lap |
Natural Slate |
N/A |
25 |
80mm |
500mm x 250mm |
18.8 for 80mm head-lap |
Forticrete Roofing Products |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Gemini Double Cambered Plain Tile |
70 |
22.5 |
95mm |
330mm x 270mm |
18.1 / 16.6 for 95 / 80mm head-lap |
29.5 |
80mm |
Gemini Traditional Sandfaced |
70 |
30 |
85mm |
337mm x 270mm |
18.1 / 17.2 for 80 / 95mm head-lap |
95mm |
Senator |
70 |
22.5 |
75mm |
385mm x 230mm |
16.1 |
Minislate |
70 |
22.5 |
95mm |
330mm x 270mm |
17.5 / 19.0 for min / max head-lap |
29.5 |
80mm |
Centurion 10 |
44 |
12.5 |
100mm |
230mm x 385mm |
17.5 |
Note: Centurion Interlocking Tiles can be used for 10° pitches, however, consult Forticrete first |
V2 |
70 |
17.5 |
Smooth 75mm |
230mm x 385mm |
16.1 |
22.5 |
Granular 75mm |
Hardrow Solos, Duets and Harmonies Roof Slates |
47.5 |
17.5 |
127mm |
610mm x 457mm |
9.07 |
20 |
100mm |
610mm x 457mm |
8.61 |
20 |
102mm |
457mm x 457mm |
12.3 |
25 |
75mm |
610mm x 457mm / 457mm x 457mm / 457mm x 305mm |
8.2 / 11.5 / 17.22 |
30 |
75mm |
381mm x 229mm |
29.1 |
Plain Tiles |
90 |
30 |
65 |
268mm x 243mm |
60 |
Sandtoft Roofing Products – Clay Tiles – Interlocking |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
20/20 (Plain Texture) |
90 |
15 |
100mm |
330mm x 226mm |
22.7 |
22.5 |
75mm |
20.5 |
20/20 Sandholme (Rustic Texture) |
90 |
22.5 |
75mm |
330mm x 226mm |
20.5 |
Sandtoft Roofing Products – Clay Tiles – Plain |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Goxhill |
75 |
40 |
65mm |
265mm x 165mm |
60 |
Barrow |
75 |
35 |
65mm |
265mm x 165mm |
60 |
Alban |
75 |
35 |
65mm |
265mm x 165mm |
60 |
Village |
75 |
35 |
65mm |
265mm x 165mm |
60 |
Humber |
75 |
35 |
65mm |
265mm x 165mm |
60 |
301 Smooth |
75 |
35 |
65mm |
270mm x 170mm |
57.4 |
303 Sanded |
75 |
35 |
65mm |
270mm x 170mm |
57.4 |
311 Handcrafted |
75 |
35 |
65mm |
270mm x 160mm |
61 |
Sandtoft Roofing Products – Pantiles – Traditional |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Greenwood |
– |
30 |
75mm |
342mm x 248mm |
17 |
Old English |
– |
30 |
72mm |
342mm x 252mm |
17.6 |
Arcadia |
– |
30 |
72mm |
342mm x 252mm |
17.6 |
Sandtoft Roofing Products – Pantiles – Interlocking |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Neo Pantile |
– |
22.5 |
75mm |
384mm x 287mm |
14.7 |
County |
– |
22.5 |
64mm |
384mm x 267mm |
14.9 |
Olympus Double Pantile |
– |
22.5 |
75mm |
408mm x 324mm |
10.2 |
Sandtoft Roofing Products – Roman Tiles |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Bridgewater Double Roman |
– |
30 |
75mm |
420mm x 340mm |
9.5 |
Gaelic |
– |
30 |
75mm |
342mm x 255mm |
17 |
Sandtoft Roofing Products – Interlocking Slates |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Rivius |
– |
22.5 |
75mm |
405mm x 323mm |
10.5 |
Cassius |
– |
22.5 |
75mm |
405mm x 323mm |
10.5 |
Balmoral |
– |
22.5 |
75mm |
330mm x 226mm |
20.5 |
Sandtoft Roofing Products – Slates |
Tile/Slate Product Name |
Max. Pitch |
Min. Pitch |
Head-lap Required To Surface Finish |
Size Of Tile/Slate |
Covering Capacity (Tiles/m²) |
Britlock Slate |
– |
17.5 |
100mm |
360mm x 340mm |
13.9 / 11.7 for 100 / 75mm head-lap |
22.5 |
75mm |
Calderdale Slate |
– |
|
|
420mm x 334mm |
10.6 / 9.9 for 100 / 75mm head-lap |
22.5 |
75mm |
Dual Calderdale |
– |
|
|
420mm x 334mm |
10.6 /9.9 for 100 / 75mm head-lap |
22.5 |
75mm |