I strike that plumb line at an even foot increment like 5 ft 6 ft 7 ft or even 8 ft if i can reach out that far and the gable is wide enough.
How to cut siding for gable ends.
Then i draw a plumb line up to the rake on the high side.
With a long level sometimes an 8 ft er i mark a horizontal line on the wall butting one end against the rake.
Hang a plumb bob from the other end of the level.
How to install gable trim for an exposed fastener vicwest metal roof.
Measure the distance from the bottom of the piece to the gable.
How to cut install vinyl siding on a gable end roof duration.
Hold one edge of the level against the surface of your roof along the edge above the gable and adjust it until the bubble indicates that it is.
How to figure gable angles with hardy board.
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To ensure an accurate reading adjust the plumb.
How to figure out the siding angle for a gable.