SIZES AVAILABLE
100mm (4Inch)
112mm (4.5Inch) -- For normal housing.
125mm (5Inch)-- Building generally.
150mm (6Inch)
175mm (7In)-- for single walls, garages.
200mm (8In)-- for retaining walls.
240mm (9.5In)-- Quoin work.
290mm x 290mm -- Sculpturing blocks.
(11.5In)
Ashlars are also available in 290mm and 240mm high Rock Face.
Lintils can be cut in limestone provided that the opening does not exceed 1.5m (5ft). Lintils for a single doorway are 1.3m (4ft 4In), and for a double doorway 1.65m (6ft 6In). For openings larger than 1.5m, reinforced concrete lintils or galv lintils are advisable. These can be rendered to match the limestone. (Check with local council building regulations.)
Quoins: Corners are an ashlar of double thickness these are supplied and to be cut on site into an L shape. The rebated piece can be used as an ordinary ashlar.