Stuart nicholson director of roof systems at marley outlines how best to approach the preparation and specification of tiles for low pitch roofs.
Marley concrete roof tiles minimum pitch.
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Lincoln clay pantiles have an open gauge design that is easy to fit while still offering the bold and beautiful curves of traditional pantiles.
15 17 5 pitch with a rafter length up to 10m will require a 100mm headlap.
The minimum pitch for each product can be found in the table below and in the product brochure or within the products pages some tiles and slates incorporate design features allowing them to be laid at a low minimum pitch.
47kg m 0 46 kn.
204mm nominal covering capacity.
The minimum pitch for a roof tile has recently changed from 20 to as low as 12 5.
Double lap fibre cement slates where the roof slope exceeds 6 metres in length severe very severe exposure and 9 metres in length sheltered moderate exposure.
The minimum fixing specifications given in this document is intended to assist the specifier and roof tiler in southern africa to determine the minimum recommended installation and tile fixing specification for each terrain category basic design wind speed building type roof pitch building height length of roof.
Mendip 12 5 can perform at pitches of 12 5 44 with a rafter length up to 6m which requires a 100mm headlap.
Ashmore down to 22 5 pitch.
17 5 pitch and above with a rafter length up to 10m will require a 75mm headlap.
Nominal weight of roof tile fittings.
They have also been certified as excellent for bes 6001 which means that projects using these products can now achieve extra credits under breeam and hqm as well as an a rating in bre green guide.
Size of tile.
60 tiles per m tiles per pallet.
15 7 tiles m at 75mm headlap 17 1 tiles m at 100mm headlap.
Stuart nicholson director of roof systems at marley outlines how best to approach the preparation and specification of tiles for low pitch roofs.
Our concrete interlocking roof tiles and concrete plain tiles are easy to lay thus ensuring you can keep your installation costs down.
They can are installed to meet the latest fixing requirements of bs 5534 and the nhbc technical standards.
30 smooth 75mm headlap 30 granular 75mm headlap 25 smooth 100mm headlap maximum pitch.
All tiles and slates have a minimum roof pitch which is set out in order to protect the roof from water penetration.
Interlocking tiles and slates where the roof slope exceeds 6 metres in length and or the site is rated to be in a severe exposure category.
