Johnson-level-tool-mfg RAS-1 Manuel d'utilisateur télécharger pdf (Page 12)

FIG. 4 Common Rafter Layout.

length.Forourrafterweget15'7-1/2".Thisistherafterlength

fromthetopcuttotheseatplumbmark(seeFigure4).

NOTE:Forarungreaterthanthatgiveninthetables,

simply add any two runs that will equal the run desired.

Then ﬁnd the lengths for those two rafters and add them

together.Forexample,saythatyourrunis38',addthe

lengthfora18'runandthelengthfora20'runtogether.

Or add a 15' run’s length and a 23' run’s length together.

TAIL OR EAVE LENGTH: The tail or eave overhang now

mustbeaddedtotherafterlength(seeFigure5forsug-

gestedeaveconstruction).Withourexample,letususe

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 66 67

Pas de commentaire

Johnson-level-tool-mfg RAS-1 Manuel d'utilisateur Page 12