Marley Roof Tiles Minimum Pitch

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.

Marley roof tiles minimum pitch.

Marley undertile membrane or radiant barrier is recommended at all pitches in exposed and coastal areas. Technical support to find out more about any of the roofing options available from marley including minimum pitch information you can download any of our brochures or request a free tile sample. There are some general rules that can be applied to different types of tiles. It is always better to raise the safety factor of the roof by adding a full course of tiles and increasing the tile headlap evenly on the rafter length.

Getting the right pitch for the roof will also play a big role in it performs long term. 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. The pitch is crucial in minimising the amount of time it takes for water and debris to clear from the roof. In addition to the products available from marley other low pitch roofing options may include fibre cement tiles and natural slate.

All tiles and slates have a minimum roof pitch which is set out in order to protect the roof from water penetration.