Minimum Pitch For Eternit Slate Roof

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.

Minimum pitch for eternit slate roof.

The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code. Conventional low pitch slate roofs are recommended down to a minimum of 20 in areas of sheltered or moderate exposure providing a 500x300mm slate is used and a headlap of 115mm. 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. Low pitch application minimum pitch 110mm lap.

17 5 20 6m max. 15 17 5 4m max. Minimum pitch 100mm lap. Higher exposure or different sized slates necessitated a greater roof pitch of 22 5 or more.

All tiles and slates have a minimum roof pitch which is set out in order to protect the roof from water penetration. The timber framework of the roof. This means for every 12 horizontal units the roof must rise a minimum of two and one half vertical units. Minimum roof slope roof pitch r905 3 2.

Marley eternit head clip and tail clip. But since there is still a wide variety of slate roofing systems there are occasions when the minimum pitch can go down to as low as 15 0 depending on the uniqueness of the roof. With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 200 for slate roofs. Asphalt shingles continue to be the most widely installed roof covering option in north america.

In order to provide you with the opportunity to specify low pitched slate roofs below 20 with confidence siga commissioned the bre to carry out a set of tests. How easy is natural slate to install. Clay and concrete roof tiles can only be installed on roof slopes of 2 1 2 12 or greater. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. The minimum pitch for each product can be found in the table below and in the product brochure or within the products pages. Minimum pitch 30 22 5 15 25 smooth 25. Minimum pitch 110mm lap.

Minimum roof pitch for shingles. What is the minimum pitch for a roof tile or slate. The minimum recommended pitch for natural slate is 25 although this can be lowered down to 20 with products like the siga 56m natural slate and is also dependent on slate size.