What Is Window Hinge Offset?

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Finding the correct offset for exterior shutter hardware certainly can be daunting. But, with a little practice you’ll be well on your way to hanging your shutters with an offset that’s just right!

  Finding the correct offset for exterior shutter hardware certainly can be daunting. But, with a little practice you’ll be well on your way to hanging your shutters with an offset that’s just right!

  What is Hinge Offset and why is it needed?

  Hinge Offset is the counterbalance needed for a shutter or door to easily swing open and close, clearing any obstacles such as a deep fitted window frame or trim mouldings. With a larger window hinge manufacturer offset a larger swing (also referred to as “throw”) is created making the shutter protrude, or kick out, further away from the pivot point of the hinge. Knowing which hinge offset you will need is just a matter of finding the amount of throw needed.

  Hardware Basics

  Hinges are comprised of two parts.view of pintles and straps for exterior shutter hinges

  Exterior strap hinges and the “L” type straps (also called “New York style hinges”) shown here on the right consist of a strap and a pintle. In this picture the pintle is on the left and the strap is on the right. The strap mounts to the shutter’s back face and the pintle mounts to the building. Most, if not all shutter and door hinges, are made to be able to separated for installation, as well as general maintenance, hence the term “Lift off Hinge or Loose Pin Hinge”.

  Measuring Offsets for Plate Mount Strap Type Hinges

  example of pintle offset

  Pintle offset is measured from the base, to the center of the pintle, or pin. When measuring pintle offset sometimes the plate will be included and sometimes not. The measurement will be close enough to measure either way. In this picture I did not incude measuring the plate portion of the pintle that the tape measure is seated on. See how the measurement is one and a half inches ( 1-1/2″ ) to the center of this pintle pin shown to the right?

  Measuring the offset on the strap is similar to measuring the pintle offset. Just measure to the center of the knuckle, the hinge joint, less the strap thickness.

    As a professional building hardware manufacturer,we accept all kinds of window hardware orders, welcome to consult.

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