Slate Roof Verge Detail

Cad drawings and further information about designing your roof.

Slate roof verge detail.

The above illustration shows basic installation details for a traditional standard thickness slate roof. The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip. General guidance on the most important points to be considered is given below. 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.

Fix standard tiles and tile and a half tiles in alternate courses. Drip edge varies in dimensions but typically the flange that nails to the roof surface is about 2 5 wide and the vertical edge that directs roof runoff down and away is about 1 5 in depth. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. The drip edge also gives us a nice straight edge with which to align roof shingles slates or other roofing material.

Carry underlay 50mm onto outer leaf of gable wall. The minimum width of any one slate in an exposed position should be 115m. Our continuous dry verge system for slate roofs has become the roofers first choice. Effective design of a slate roof must take into account a number of inter related factors including site exposure the pitch of the roof the type of slate selected and the slate lap.

Bed an undercloak of plain tiles laid face down with bottom ends exposed projecting not more than 50mm beyond face of wall. For more information contact us on 01282 423 444. Full application and sitework details are given on pages 8 to 22. Gable edge projection and drip edge projection can also vary somewhat.

Where interlocking tiles are used at the verge. They should project 30 60mm beyond the gable wall or bargeboard.