Page 37 - 365411 Findley 92pp A4 PBound.pdf
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15o low pitch
Size of tile Minimum pitch*
Maximum pitch Minimum headlap Maximum gauge Body thickness Profile depth
Covering capacity (net)
Weight of tiling (approx.)
Battens required (net)
Batten size recommended
(fixed to BS 5534)
Tile nails
Fixing clips
Authority
420mm x 330mm
17.5° Smooth (75mm headlap) 15° Smooth (100mm headlap) 30° Granular (75mm headlap) 25° Granular (100mm headlap)
90°
75mm
345mm
27mm (nominal) d < 20mm
9.7 tiles/m2 at 75mm headlap 10.5 tiles/m2 at 100mm headlap
46 kg/m2 (0.45 kN/m2) at 75mm headlap
49 kg/m2 (0.48 kN/m2) at 100mm headlap
2.9 lin.m/m2 at 75mm headlap 3.1 lin.m/m2 at 100mm headlap
38 x 25mm for rafters/supports not exceeding 450mm centres
50 x 25mm for rafters/supports not exceeding 600mm centres
70mm x 3.35mm
Eaves, verge and tile clips BS EN 490
* Theminimumrecommendedpitchandlapmaybeinfluencedbyspecialcircumstances, please contact the Technical Advisory Service for further information.
Minimum pitch tolerances can be reduced using
Permo Extreme
membrane
Includes VAT Plus Scaffolding
FROM ONLY
2
PER m
