17 5 pitch and above with a rafter length up to 10m will require a 75mm headlap.
Marley concrete roof tiles minimum pitch.
47kg m 0 46 kn.
Please select from the drop down menu size.
Size of tile.
Marley offers several types of clay tile that are suited to low pitch roofing applications.
Mendip 12 5 can perform at pitches of 12 5 44 with a rafter length up to 6m which requires 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.
Ashmore down to 22 5 pitch.
Lincoln clay pantiles have an open gauge design that is easy to fit while still offering the bold and beautiful curves of traditional pantiles.
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.
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.
Nominal weight of roof tile fittings.
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.
The minimum pitch for a roof tile has recently changed from 20 to as low as 12 5.
Click through to marley above for more on industry best practices.
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.
204mm nominal covering capacity.
15 17 5 pitch with a rafter length up to 10m will require a 100mm headlap.
60 tiles per m tiles per pallet.
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.
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.