Since 1948 Manufacturers of Residential, Commercial and Industrial Doors • Tel.: 1.800.465.1925 / 514.453.5120 • Fax: 514.453.1518  •  E-mail: info@doriondoors.com 2987 Boul. Perrot, Ile Perrot (Quebec) Canada J7V 8P4

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garage doors, sectionnal doors, multi-blades doors, sliding garage doors. manufacturer for standard, commercial and industrial garage doors

CLEARANCES FOR OVERHEAD DOOR TRACKS   STANDARD LIFT   TRACK 50mm[2"] / DOOR 50mm [2"]THICK A = OPENING HEIGHT + 457mm [18"] B = 381 mm [15 "] C= 381mm [15"] (ADD 75 mm [3"] TO THE VALUE "B" FOR A 75mm [3"] OR 100mm [4"] THICK DOOR ---------------------------------------- TRACK 75mm[3"] / DOOR 50mm [2"]THICK A = OPENING HEIGHT + 457mm [18"] B = 457 mm [18 "] C= 457mm [18"] (ADD 75 mm [3"] TO THE VALUE "B" FOR A 75mm [3"] OR 100mm [4"] THICK DOOR HI-LIFT   TRACK 50mm[2"] / DOOR 50mm [2"]THICK A = OPENING HEIGHT + 457mm [18"] MINUS THE HI-LIFT B = AVAILABLE HEIGHT C= 381mm [15"] (ADD 75 mm [3"] TO THE VALUE "B" FOR A 75mm [3"] OR 100mm [4"] THICK DOOR -------------------------------------------- TRACK 75mm[3"] / DOOR 50mm [2"]THICK A = OPENING HEIGHT + 457mm [18"] MINUS THE HI-LIFT B = AVAILABLE HEIGHT C= 457mm [18"] (ADD 75 mm [3"] TO THE VALUE "B" FOR A 75mm [3"] OR 100mm [4"] THICK DOOR   VERTICAL LIFT   TRACK 50mm[2"] / DOOR 50mm [2"]THICK A = 457mm [18"] B = OPENING HEIGHT + 305 mm [12 "] C= 381mm [15"] (ADD 75 mm [3"] TO THE VALUE "B" FOR A 75mm [3"] OR 100mm [4"] THICK DOOR -------------------------------------------- TRACK 75mm[3"] / DOOR 50mm [2"]THICK A = 457mm [18"] B = OPENING HEIGHT + 305 mm [12 "] C= 457mm [18"] (ADD 75 mm [3"] TO THE VALUE "B" FOR A 75mm [3"] OR 100mm [4"] THICK DOOR SIDE CLEARANCES   Back

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