Whether you are replacing an existing door or pricing
doors for a new garage, you must measure properly
to be sure you order the right size. The illustrated
instructions below explain the process.
Step
#1
Measure the width and height of the door opening
in millimeter. Step
#2
Measure for sideroom. You will need 10 centimeter
on each side to install the vertical track for standard
torsion springs, Step
#3
Measure your headroom -- the distance between the
top of the door opening (jamb header) and the ceiling
(or floor joist). You will need 30cm headroom for
standard torsion springs. If you have restricted
headroom, a "low headroom" track may be
available for your door, you will need 17cm headroom
. Be aware that electric operators may require additional
headroom. Step
#4
Measure your backroom -- the distance from the door
opening to the back wall of the garage. Door height
plus 100cm is required. Be aware that electric operators
may need additional.
Download the drawing of installation space form After measuring for your garage door, please
download & fill the following drawing of installation
space form while ordering, and send it to us by
email. Then we could offer our price to you according
to your correct information. Thank you for your
cooperation. The
drawing of installation space form: Download
Step
#1
The
drawing of installation space form: