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.
Tile roof slope minimum.
Minimum roof slope roof pitch r905 2 2 asphalt shingles can only be installed on roof slopes of.
The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems.
What is the minimum slope for a clay or concrete tile roof.
Now lets get into the minimum roof slope requirements based on the.
Minimum roof slopes required by roofing material requirements for roof coverings section r905.
On slopes less than 3 1 2 12 roofing tile is considered decorative only.
In general there is no maximum slope for tile roofs.
However on extremely steep roofs above 19 12 or on vertical applications wind currents may cause tiles to rattle.
The underlying roof provides all the necessary waterproofing.
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.
Roofers must turn to local or state building codes when installing tiled roofs if they want their.
What is the minimum pitch for a tiled roof.