Plasterer

Cornice

Lineal metres of cornice for a room.

Room length(m)

Room width(m)

Wastage(%)

Cornice

15.4 m

Perimeter14 m

3.6 m lengths5

Formula

cornice = 2 x (L + W), plus wastage

2 x (4 + 3) x 1.1 = 15.4 m