The minimum width of any one slate in an exposed position should be 115m.
Slate roof verge detail.
General guidance on the most important points to be considered is given below.
The drip edge also gives us a nice straight edge with which to align roof shingles slates or other roofing material.
Carry tiling battens over undercloak and finish 100mm from verge edge.
Natural slate verges should be formed with full slates and either slate and a half or half slates that are a minimum of 150mm wide.
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.
The above illustration shows basic installation details for a traditional standard thickness slate roof.
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.
Gable edge projection and drip edge projection can also vary somewhat.
The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip.
Our continuous dry verge system for slate roofs has become the roofers first choice.
For more information contact us on 01282 423 444.
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.
Fix standard tiles and tile and a half tiles in alternate courses.
Bed an undercloak of plain tiles laid face down with bottom ends exposed projecting not more than 50mm beyond face of wall.
No 1 manufacturer and supplier of slate dry verge systems in the uk.
Carry underlay 50mm onto outer leaf of gable wall.
Full application and sitework details are given on pages 8 to 22.
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.