Term	Definition	Tags
Lattes	(or Battens or Lathe) Horizontal lengths of timber fixed to the roof rafters to support the slates o...
Lead Bossier	Heavy wooden lump hammer used to shape lead and dress down into position....
Loading	Designed mechanical machine with ladders and loading platform...
Mansard	A roof slope normally pitched at 65¡ from Horizontal at the upper level elevation of a buildin...
Margin	The exposed face of a slate or tile to the lower edge of the slate or tile immediately above...
Mitred Valley	The intersection of opposing roof slopes where the tiles or slates are mitred together forming a clo...
Mortar Bucket	Used for mixing mortar and transporting onto roof....
Nails	in various lengths and gauges according to requirement in either, Copper, Aluminium, Bronze or stain...
Open Slating	Slates which do not abut against the next slate in the same course but have an open space between th...
Open Valley	Normally formed in lead or similar metal laid on boards, purpose made valley tiles or trough valley ...
Oversail Verge	Where outside rafters extend beyond brickwork incorporating a Barge Board....
Pencil	Thick leaded flat sided pencil for marking points on roof...
Piece	gutters to support the tiles in correct position...
Pitch	Angle of the roof from the horizontal e.g. say 30¡ for slates...
Ridge	Intersection of 2 (two) roof slopes covered normally by ridge tile capping or lead....
Roddle	A mix of Red powder with added water to make a solution to mark out the roof not only for battening ...
Sarking	Today generally accepted as referring to a layer of felt fixed below battens. Also an OLD Scottish t...
Slate / Tile Head lap	(1) generally the distance one course of slates or tiles covers the course next but one below for do...
Slate Knife	(or Zax) A heavy blade with cranked handle used for trimming the edges of slates and used in conjunc...
Slater's Pick	A hammer with pointed spikes on each arm used for forming holes in slates...