Since the roof was cut at a 4 12 pitch the gable climbed 4 in.
Cutting siding for gables.
When you are sawing the siding for the gables the edges of the siding must be cut according to the slant of the roof.
I can pick any distance to measure in from the edge.
Across for the run.
The use of fancy cut decorative shingles exploded with queen anne victorian architecture.
Place a fine tooth blade backward on a circular saw.
Measure the bottom piece of siding to the proper length which is the length of the wall to the roof line minus 2.
Although used in many locations one of the most popular areas of use for these shingles was in the gable.
For every 12 in.
Check for level to be sure your layout marks are correct.
Measure the distance from the bottom of the piece to the gable.
How to figure gable angles with hardy board.
In certain installations nails are driven through the bottom of the siding leaving the heads exposed.
This means that the angle between the roof line and an imaginary horizontal.
Put on your safety goggles and gloves.
The backward motion gives you a cleaner cut through your siding.
When you get ready to cut you piece measure up first and mark the hardi at the height it needs to be until the angle and then take off the top what ever distance the bottom was away from the gable.
Place a piece of hardi siding on the wall at the right height above the piece below and slide it towards the gable until it touches the gable.
Now measure the height the siding needs to be until the angle starts.
After i ve calculated the pitch of the roof i lay out as many courses of siding as i can on my worktable using cutoffs and scrap for the top pieces.
Cut and position the second from the bottom siding board so it aligns with the layout marks you made with the story pole.
On this small gable i measured 3 ft.