12 mm hanging length.
Maximum roof pitch for clay tiles.
65mm generally for clay tiles 75mm in severe exposure conditions.
100mm roof 115mm vertical cover width.
30 slates double lap maximum 1 3 length lap.
Ratios from that minimum up to 4 12 which are considered low pitch require double underlayment.
Linear cover of 1 tile.
60 tiles m at 100mm gauge roof 53 tiles m at 115mm gauge vertical weight of tiling.
Clay tiles are colorfast which means their tints improve rather than fade over time.
Concrete is long lasting with a minimum lifespan of 50 years depending on climate.
88 mm maximum gauge.
75mm or to the manufacturer s recommendations.
65 mm 35 mm.
On some developments design limitations can arise on comparatively small areas of the roof which restrict the available roof pitch to below 35 which is the minimum pitch recommended for all plain tiles in bs en 5534.
100 mm 115 mm.
Instead flashing for clay tile must be formed from heavy gauge copper or stainless steel.
90 subject to fixing specification.
Roof tiles and slates are very versatile products and can be used on a variety of roof pitches.
What is the maximum roof pitch for a roof tile.
Traditionally a minimum roof pitch of 20 was recommended in bs 5534 but modern tiles and slates have now been designed for applications as low as 15.
Vertical minimum roof pitch 35 75 headlap minimum 65 mm 38 mm batten spacing at maximum gauge 100 mm 114 mm size of tile 265 x 165 mm 265 x 165 mm covering capacity 60 0 tiles per m 53 0 tiles per m cover width 165 mm 165 mm weight as laid 72 0 kg per m 63 6 kg per m weight per 1000 1 2 tonnes 1 2 tonnes.
Below 90 at 90 tile thickness.
Below 90 at 90 maximum headlap.
165 mm covering capacity net 60 tiles m 52 tiles m.
It is uncommon to find a roof below 15 but for those very low pitch applications there are interlocking clay pantiles available suitable for use down to 12 5.
165mm nominal covering capacity.
65mm roof 37 5mm vertical maximum gauge.
88 mm minimum gauge.
64kg m 0 63 kn m at 100mm gauge roof.
Guidelines for roof sections falling below a 35 pitch.
Tiles or slates can be used at pitches up to 90 degrees vertical provided a clip is available to securely clip the tail of the tile available for most tiles.
Below 90 at 90.
35 clay 35 plain concrete concrete single lap interlocking comply with the manufacturer s recommendations.
The irc recommends a minimum pitch of 2 5 12 for these materials.