Higher exposure or different sized slates necessitated a greater roof pitch of 22 5 or more.
Natural slate roof details.
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.
Davinci slate delivers on that promise with its astonishing versatility.
For more information contact us on 01282 423 444.
Our tiles are engineered to be lighter to resist impact and to maintain their color longer.
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.
Some homes were created with the promise of a slate roof in mind.
How easy is natural slate to install.
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.
Slate size roof pitch and exposure 65 mm.
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.
Cost details one of the factors that deters many homeowners from installing a slate roof is the high cost of materials and labor.
Read more how much does a slate roof cost.
The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip.
The total weight of slates on roof can be found from the formula.
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.
Split to an average thickness of 5mm 7 5mm and 9 mm.
The standard sizes for roofing slate start at 12 in length and increase by 2 inch increments up to 24 in length.
Installing natural slate is a more specialist job than most other kinds of roof covering.
Davinci slate delivers the highest levels of beauty without the typical challenges of a natural slate roof.
The slate coverage per m2 can be found from table 2 23 9.
Cad drawings and further information about designing your roof.
Weight of slates kg area of roof m 2 slate coverage 1000 therefore the total weight 1235 1000 150 23 9 4427 kg.