Stone Slate Roof Pitch

Many slate tile manufacturers offer up to 100 year warranty on their products.

Stone slate roof pitch.

With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 200 for slate roofs. The use of stone slates or thackstones as they were sometimes known made certain. Origin in the same roof pitch so it becomes important to identify the stone which makes up the roof covering. Into the construction of stone slate roofs is a neglected field.

The length of rafter determines the number of courses in each slate length supplied. How are such low pitched slate roofs possible. Minimum roof pitch for shingles. A slate roof will easily last over 100 years which is at least double of what other roofing materials can offer.

Higher exposure or different sized slates necessitated a greater roof pitch of 22 5 or more. The greater expense of any slate roof is in the installation cost and the only remedy for a faulty slate roof is to remove and reinstall it. 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. Ridge units for roof pitches up to 35 a 110 internal angle ridge unit is available in 600mm lengths.

Future research will reveal more information on traditional practice and help us to understand better the regional variations of stone slate roofing. 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. The total weight of slates on roof can be found from the formula. Before you buy it is be wise to have an experienced professional slater inspect the quality and condition of the roof.

Roof pitch 40 roof area m 2 150 length of roof slope m 9 5 the headlap can be found from table 1 by reference to slate size roof pitch and exposure 65 mm. There are some manufacturers that can go slightly lower such as the siga 56m natural slate which can go down to 20 in some instances if used with slate hook systems. For people who do not plan to ever sell their home the incredible longevity of slate is a highly desirable benefit. For roof pitches above 35 a 90 internal angle ridge unit is available in 450 and 600mm lengths.

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. Weight of slates kg area of roof m 2 slate coverage 1000 therefore the total weight. The slate coverage per m2 can be found from table 2 23 9. 2 stone as a roofing material 2 1 terminology 2 1 1 stone slates are known in different parts of the country as grey slates flags.

This design flexibility makes ssq slate a great choice for beautiful and effective low pitch slate roofs.