Lissafi na kayan for na waje ganuwar

Lissafi na bango

Saka da girma santimita a

X - Da nisa daga cikin gable bango
Z - Da tsawon gefe bango
Y - Ridge tsawo daga cikin pediment
H - A tsawo daga cikin bango a kusurwar
F - Ridge tsawo sidewall
T - Wall kauri

Shirin zai lissafi da adadin gina kayan for na waje ganuwar bulo, block, bar-dimbin yawa ko frame gidan.
Saka da tsawo daga cikin kunya na gable garun daidai tsawo, idan so garun daya bene.