Reihys ny studeyryn toggal son lhoo coodaghey
Soilshaghey magh tommanyn ry-hoi ayns millimeteryn;
Y - fad y laare;
X - Leed y laare;
Z - Leed thie.
U - Leed log
W - Thie log
S - step lag
P - skeaylleyderyn eddyr joists
C - Pitch y skimmee
Cooidjagh y phrogram.
Reihys y mhean lumber required son joists 'sy lhoo.
Ta'n volume jeh'n floorboard er ny rheynn as "boardyn lhooar doo;".
Reihys y slyst.
Determination y voluum ymmyrchagh jeh'n insulation.
Reihys y lhommey jeh ny co-cheangleyn jerrinagh son fasteners.
Dimensionyn exact jeh ooilley ny partyn.
Taarnyssyn mishaghey jeh'n towse laghyn cowrey.