Standard Lift Track -- Track Detail


	Standard Lift Track for Commercial Sectional Doors


	2" (51mm) Track [15" (381mm) Radius]

Door Height	Centerline of Shaft	Minimum Headroom
Thru 12'0" (3658mm)	O.H. + 11-5/8"(295mm)	14-1/4" (362mm)
Thru 16'0" (4877mm)	O.H. + 12-5/8" (321mm)	20-1/2" (521mm)


	3" (76mm) Track [15" (381mm) Radius]

Thru 18'0" (5486mm)	O.H. + 14-5/8"(372mm)	18" (457mm)
Thru 32'0" (9754mm)	O.H. + 16-7/8" (429mm)	21-1/2" (546mm)


	*Abbreviations:* O.H.=Opening Height

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