SQUARE CUT FASCIA MODELS
Sketches of Square Cut Fascia Models
Main Span Pitch = 7 ÷ 12 , Adjacent Span Pitch = 12 ÷ 12
Total Deck Angle or Angle in Plan between Hip Eaves = 90°


Models of Hip Roof and Square Cut Fascia Planes
Hip Roof and Reciprocal Pitch Planes
Sketch of Hip Roof and Square Cut Fascia Planes


Worm's-Eye view of Reciprocal Pitch Planes of Square Cut Fascia
Worm's-Eye view of Fascia Planes
Sketches of Square Cut Fascia Miter and Bevel Angles


Hip Rafter Foot : Major (7/12) Span compound angle for SQUARE CUT FASCIA
Hip Rafter Foot
Compound Angle on Major Span (7 ÷ 12)
Miter = 7.29001° , Bevel = 25.80013°


Hip Rafter Foot : Minor (12/12) Span compound angle for SQUARE CUT FASCIA
Hip Rafter Foot
Compound Angle on Minor Span (12 ÷ 12)
Miter = 36.51558° , Bevel = 37.64621°


Hip Rafter Foot : Line of Intercept between planes of compound angles for SQUARE CUT FASCIA
Hip Rafter Foot
Line of Intercept between planes of Compound Angles


Valley Rafter Peak meets Adjacent Valley Rafter (Right Side) and Main Purlin (Left Side)
Valley Rafter Peak meets Main Purlin
This intercept of planes and the values of the angles are equivalent to
Hip Rafter Foot meets Square Cut Fascia and Plumb Fascia
Main Pitch = 10 ÷ 12 , Adjacent Pitch = 10 ÷ 12
Total Deck Angle or Angle in Plan between Hip Eaves = 90°

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Joe Bartok

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