Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
If I understand your question correctly you are asking, you’re essentially asking how to calculate air gap in an inclinated roof/ceiling in a cubic form (I.e. cu. cm, cu m., etc.). If so, you take half the base (of the triangle made by your rafters/trusses), in this case say it is 10m. & the peak of your roof is 62.86 cm. that equals 6.286 m2. Then say your house is 20m long, multiply last result by 20m for a total of 125.72 m3.
Let me know if I misunderstood your question!
