Xisaabinta derbiyada, saqafka ama maqaal qoruhu, oo loox gypsum
Ku qor cabbir loo baahan yahay in milimitir
Y - height of derbiga ama xijaab
X - derbiga width
H - sheet plasterboard height
Z - width ee xaashida of drywall
S - tirada hayayaashii profile on mid ka mid ah sheet of drywall
V - tirada layers of drywall
V=1 - in mid ka mid daaha derbiga ama saqafka
V=2 - in laba lakab derbi ama xijaab
V=3-4 - waayo xijaab
B - Masaafada u dhaxaysa tabaaxay
Barnaamijka xisaabi kartaa tirada loo baahan yahay oo ah qalabka ku dhameysteen - Primer, Putty, rinjiga.
Si arrintan loo sameeyo, u sheeg heerka of isticmaalka halkii mitir
N1,
N2,
N3,
N4.
Sidaas darteed, barnaamijka xisaabin doonaa
meesha derbigu ka, saqafka ama plasterboard ee maqaal qoruhu
tirada loo baahan yahay ee sheets of drywall
tirada loo baahan yahay oo ah profiles for jir ah
tirada saxda ah ee boolal, xoojinta iyo dhagixiina way cajalad
ningax ama soundproofing iyo dhameysteen qalabka.
Barnaamijka ayaan loo qaadan Karin galay furitaankiisu account for albaabada iyo daaqadaha, sida isticmaalka qalabka u badnayn kala duwan.