Ngụkọta oge nke pent ụlọ
Ezipụta achọrọ akụkụ millimeters
X - obosara nke ụlọ
Y - ụlọ elu
C - size nke overhang
B - ogologo nke ụlọ
akwụkwọ
Ihe omume a iji gbakọọ ihe pent ụlọ: ọnụ ọgụgụ nke mpempe akwụkwọ ihe (ondulin, Nulin, wepụrụ ebubo ma ọ bụ metal taịl nile), underlay ihe (korota, roofing ihe), ọnụ ọgụgụ nke mbadamba lathing na ntụhie ya.
-Akpachara anya! Rịba ama na ihe omume na-atụle sheeting na ndabere nke ebe nke ụlọ.
Ka ihe atụ, 2.9 ka 7.6 ọtụtụ usoro nke Ibé akwụkwọ ke a n'usoro. Mgbe ezigbo ewu na-etinye 3 ahịrị.
N'ihi na ihe ezi ngụkọta oge dị mkpa iji belata elu nke mpempe akwụkwọ na-emepụta ihe dị integer usoro.
Mgbe e mesịrị ga-a iche iche usoro ihe omume ndị ọzọ nwere ọgụgụ isi na ngụkọta oge nke roofing ihe onwunwe.
Echefula na ịzụta a ụlọ ihe onwunwe na a oke.