Rosemary 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.
Rosemary roof tiles minimum pitch. In these situations it is necessary to use a secondary roof system laid below the tiles to provide assured weather protection and enhanced ventilation. Of course the minimum pitch will depend on each type of roof tile specifically on its design and materials. At eaves use double courses with purpose made eaves top tiles for the undercourse. 65 mm below 90 degrees 35mm at 90 degrees.
90 degrees subject to fixing specification. Linear cover of 1 tile. Adjacent to hips and valleys use tile and a halves for raking cuts. 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.
60 tiles m2 below 90 degrees 52 tiles m2 at 90 degrees. At verges and abutments use standard plain tiles and tile and a halves in alternate courses. Add fittings ridge dry fix systems. Options available from marley include clay and concrete tiles and cedar shingles and shakes.
Minimum roof pitch headlap. Guidelines for roof sections falling below a 35 pitch. So we ve provided an overview of the low pitch roofing products that we offer. 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.