Attic ni saka ni bagwi nokni saka ni manwi rok ni lekhamung

Attic ni chuknohani lekhamung

Khapang srangwi nangmani kotor kotor phunukdi milimitar o

X - nokni kotorma
C - kotorma
B - nokni chuknohani kotorma

sinimung rwi samung khlairwmani

Program wngkha attic ni chuknohani rangchakno swngna bagwi: chuknohani tei chuknohani manwirokni mung, sheathing board tei chuknohani rangchak.
Tei nwng kaisa useful roof ni rangchak nobo swngwi mano.

Calculation ni bisingtwi rangchakni rangchak eba rangchakni rangchakno phunukjak tei bracket-o rangchakni rangchak eba rangchakno phunukjak.

Kha rwmani! Sheet ni manwi rok lekha phuru (Ondulin, swprak eba sorni thail) Program ni thani rangchakni jaga no rang rwmani kokno muitu narwkdi.
Udhaharana bagwi, 2.8 row bai 7.7 row ni rang. Aswk khe swnammani jorao 3 rows wngkha.
Roofing ni sheet ni rang no teibo thik khe rang rwna bagwi, rang ni rang no rang rwnani bisingo sheet ni height no rang rwna nangnai.
Overlap ni amount no teibo thik khe set khlaina ta pokdi . (Obo juda juda manwirokni bagwi juda juda wngwi mano - swnamnairokni koktwi khwnadi).

Ang norokno tei kaisa muitu khwlaiwi sakha, norok nok tangnani manwirokno waste ni bagwi reserve khwlaiwi paina nangnai.