General guidance on the most important points to be considered is given below.
Slate roof verge detail.
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.
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.
Cad drawings and further information about designing your roof.
Where interlocking tiles are used at the verge.
The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip.
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.
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.
Carry tiling battens over undercloak and finish 100mm from verge edge.
Fix standard tiles and tile and a half tiles in alternate courses.
Gable edge projection and drip edge projection can also vary somewhat.
They should project 30 60mm beyond the gable wall or bargeboard.
The drip edge also gives us a nice straight edge with which to align roof shingles slates or other roofing material.
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.
For more information contact us on 01282 423 444.
Bed an undercloak of plain tiles laid face down with bottom ends exposed projecting not more than 50mm beyond face of wall.
The above illustration shows basic installation details for a traditional standard thickness slate roof.
Full application and sitework details are given on pages 8 to 22.
No 1 manufacturer and supplier of slate dry verge systems in the uk.