lap
margin
underside of deep profiles
filled with filler piece or
bedded in cm.mt. on eaves
course of plain tiles
margin = gauge
=tile length — lap
fascia
ventilation
gap
soffit
board
cavity insulation
external wall with thermal
blockwork inner leaf
100 × 50 wall plate
vapour check
plasterboard
(see Note 1, p. 433)
insulation
ceiling joists
ventilation spacer
rafters
EAVES DETAIL
Hips † can be finished with a half round tile as a capping as shown
for double lap tiling on page 437.
Valleys † these can be finished by using special valley trough tiles
or with a lead lined gutter † see manufacturer's data.
Single Lap Tiling