Garages and Carports - 2 Car Garage w/ Single Garage Door

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hyp.theory
09-08-09, 07:43 PM
Hi there- I'm having a house built with a 3 car garage. their is a single bay and a 2 car bay. The 2 car bay has a single door. My question here is that they have provided 2 outlet boxes in the ceiling of the 2 car bay for a future GDO that are offset from center. I was under the impression that you would use a single (maybe 3/4 HP) GDO whose outlet box needed to be centered with the door. Am I mistaken? Is there such a thing as 2 GDO's for a dual bay door? If so, where can I find it? The door measures 16 x 8 and weighs between 250-300 pounds (according to the builder).
As always, any help is appreciated!

Thanks.

Doorman2722
09-09-09, 04:32 AM
install it near on center, it does not have to be perfect and 11 foot back from opening for an 8 foot high door, 250-300 pounds is pretty light for a 16 x8 so any 1/2 Hp opener will be fine
hyp.theory
09-09-09, 06:23 AM
Thanks for the info! It's what I thought but wanted to confirm with someone who really knows.

Thanks for the distance back as well. I have to verify that the outlet boxes are at the right distance back for the 8' door.

Donald_
09-09-09, 08:47 AM
You only need one opener per door and a 1/2 horse is plenty. The opener will not be lifting the entire weight of the door as it is balanced by the door springs.