Framing 2x4 2x6 2x8

Dome size is diameter in decimal feet, feet and decimal inches, or decimal inches i.e. 20.5 feet = 20 feet 6 inches = 246 inches Feet     inches

Outside	Strut	Inside
	A
	B
	C
	D
	E
	F

Area at Hemisphere Volume of Dome Surface Area (skin)