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Wall Length Rafter Thickness
Wall Width Rafter Depth
Roof Angle °= in 12 Ridge Thickness
Overhang (level) Rafter Spacing
Birdsmouth
Foot Cut 		  Calc Birdsmouth + HAP Bottom plumbcut
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Hip roof plan

With a building length of 40' and width of 20' , a (level) roof overhang of 2' , the roof is 44' long and 24' wide
With an angle of 22 °, the overall height above outer wall is 4'9~1/8" . The roof area is 1138.93 ft² and sheathing angle is 47.164 °
Rafter spacing is 1'4" (Next larger spacing = 1'5~5/32" Next smaller = 1'3" ) Creeper (Jack) shortening = 1'5~1/4"
136' lineal eave @ 2' overhang = 272 ft²
1 Ridge @ 20'1~1/2" × 1~1/2"
34 Common Rafters @ 12'10~1/2" × 8" × 1~1/2"
4 Hips @ 17'6~11/16" × 8" × 1~1/2"
Creepers (Jacks) + 8 @ 11'5~23/32" + 8 @ 10'15/32" + 8 @ 8'7~7/32" + 8 @ 7'1~15/16" + 8 @ 5'8~11/16" + 8 @ 4'3~7/16" + 8 @ 2'10~3/16"



Rafter dimensions

Hip dimensions

Hip roof member joints 		  Hip roof member angles





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Australia

Wonga Beach Q.L.D. Australia


ALWAYS CHECK WITH YOUR LOCAL BUILDING AUTHORITY BEFORE LAYING OUT
OR BUILDING ANYTHING, AND FOLLOW ALL LOCAL CODES

Disclaimer
With angle of degrees Close
If Heel Cut = ?
If Foot Cut = ?
(Rafter depth ) To set HAP = 2/3 rafter plumbcut length
set the