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.
15 7 tiles m at 75mm headlap 17 1 tiles m at 100mm headlap.
15 17 5 pitch with a rafter length up to 10m will require a 100mm headlap.
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.
Marley offers several types of clay tile that are suited to low pitch roofing applications.
Click through to marley above for more on industry best practices.
60 tiles per m tiles per pallet.
Please select from the drop down menu size.
47kg m 0 46 kn.
30 smooth 75mm headlap 30 granular 75mm headlap 25 smooth 100mm headlap maximum pitch.
Ashmore down to 22 5 pitch.
Nominal weight of roof tile fittings.
17 5 pitch and above with a rafter length up to 10m will require a 75mm headlap.
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.
All tiles and slates have a minimum roof pitch which is set out in order to protect the roof from water penetration.
Size of tile.
267 x 165mm 10 5 x 6 5 minimum pitch.
Stuart nicholson director of roof systems at marley outlines how best to approach the preparation and specification of tiles for low pitch roofs.
204mm nominal covering capacity.
Mendip 12 5 can perform at pitches of 12 5 44 with a rafter length up to 6m which requires a 100mm headlap.
The minimum pitch for a roof tile has recently changed from 20 to as low as 12 5.
Our concrete interlocking roof tiles and concrete plain tiles are easy to lay thus ensuring you can keep your installation costs down.
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.
They can are installed to meet the latest fixing requirements of bs 5534 and the nhbc technical standards.