Traditional Slate Roof Verge Detail

Carry tiling battens over undercloak and finish 100mm from verge edge.

Traditional slate roof verge detail.

The minimum width of any one slate in an exposed position should be 115m. Anyone who has detailed a slate roof or any other type of traditional steep slope roof is likely to be familiar with slate roofs published by the national slate association in 1926. Bed an undercloak of plain tiles laid face down with bottom ends exposed projecting not more than 50mm beyond face of wall. Published more than 85 years ago slate roofs has long been the essential go to guide for determining material quantities roof layout specification data and.

His article provides guidance on how to record them and gives an overview of typical vernacular details such as slate valley construction and lapping variations. Carry underlay 50mm onto outer leaf of gable wall. The overhang of slate at the verge should be between 40 and 50mm and wide slates doubles should be used in alternate courses to maintain the bond. The article concludes with a consideration of the future of vernacular roof conservation noting the importance of ensuring that contractors who are.

The total weight of slates on roof can be found from the formula. Slate size roof pitch and exposure 65 mm. The slate coverage per m2 can be found from table 2 23 9.