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.
Rosemary roof tiles minimum pitch.
A classic cross camber machine made clay plain tile that has been in production for over 175 years.
Linear cover of 1 tile.
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.
60 tiles m2 below 90 degrees 52 tiles m2 at 90 degrees.
Add fittings ridge dry fix systems.
At verges and abutments use standard plain tiles and tile and a halves in alternate courses.
Supplied by roofing outlet the redland rosemary range offers eight contrasting colours from the classic red to the dark antique.
Adjacent to hips and valleys use tile and a halves for raking cuts.
90 degrees subject to fixing specification.
Of course the minimum pitch will depend on each type of roof tile specifically on its design and materials.
In these situations it is necessary to use a secondary roof system laid below the tiles to provide assured weather protection and enhanced ventilation.
Options available from marley include clay and concrete tiles and cedar shingles and shakes.
Minimum roof pitch headlap.
65 mm below 90 degrees 35mm at 90 degrees.