The minimum roof pitch is also subject to the standards set forth by the various building codes used in the respective regions.
Minimum pitch for roof tiles uk.
If the roof is well maintained meaning broken tiles are attended to quickly and the roof cleaned at least once a year there is every chance plain roof tiles will last for even longer.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
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.
The irc recommends a minimum pitch of 2 5 12 for these materials.
Clay tiles are colorfast which means their tints improve rather than fade over time.
Where the minimum pitch for clay pantiles used to be 30 tiles like the redland cathedral pantile can be pitched as low as 22 5.
This low pitch roof tile gives the appearance of slate without the cost or the high maintenance.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
Guidelines for roof sections falling below a 35 pitch.
Importance of a roof pitch.
Concrete is long lasting with a minimum lifespan of 50 years depending on climate.
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.
All tiles and slates have a minimum roof pitch which is set out in order to protect the roof from water penetration.
Manufactured in the uk with the ability to tile a roof down to 10 lightweight.
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.
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.
The style of a roof tile will not dictate the pitch it can be used for as this will depend on the actual.
Ratios from that minimum up to 4 12 which are considered low pitch require double underlayment.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
The chief reason for having a roof pitch is to redirect water and snow away from the roof and avoid any percolation that might result from stagnation of water on the roof.
