Natural Slate Roof Details

Davinci slate delivers on that promise with its astonishing versatility.

Natural slate roof details.

Split to an average thickness of 5mm 7 5mm and 9 mm. Depending on the grade thickness and the overall quality of slate tiles expect to pay between 6 50 and 15 00 per square foot for materials alone. Read more how much does a slate roof cost. Slate roof condition assessment surveys part 2 slating nails technical bulletin 7 full pdf assessing the condition of the slating nails various types of nails have been used to secure slate shingles over the years.

Some homes were created with the promise of a slate roof in mind. The total weight of slates on roof can be found from the formula. Cost details one of the factors that deters many homeowners from installing a slate roof is the high cost of materials and labor. Gable edge projection and drip edge projection can also vary somewhat.

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. The above illustration shows basic installation details for a traditional standard thickness slate roof. How easy is natural slate to install. 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 1235 1000 150 23 9 4427 kg. Dark grey natural slate with thin laminations and a riven surface. The slate coverage per m2 can be found from table 2 23 9. 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.

The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip. The standard sizes for roofing slate start at 12 in length and increase by 2 inch increments up to 24 in length. Cad drawings and further information about designing your roof. Davinci slate delivers the highest levels of beauty without the typical challenges of a natural slate roof.

Higher exposure or different sized slates necessitated a greater roof pitch of 22 5 or more. Slate size roof pitch and exposure 65 mm.