FAQs

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Questions:

How does the Adjust-A-Screw work?

Download the Adjust-A-Screw™Tech Memo here.

What is the largest leaf available for a custom wide throw application?

The largest leaf is 4-3/4" from center of knuckle to heel. 

What is the smallest leaf available for a custom or narrow frame application?

The smallest leaf is 1-3/8" from center of knuckle to heel. 

Which hinge would work best for doors over 4' wide

Markar recommends a hinge from the 3500 Stainless Steel Series for this application.

Can you provide me with a product information sheet?

Please navigate to our Products section where you will find downloadable PDF's of all our products.  Also, you may download or obtain a printed catalog here.

What type of screws come standard with Markar hinges?

Fastener information is included on each product page.
What is the clearance for a particular hinge model?

Download a Door Clearance Guide here.

I have tried to use my self-drilling Tek screws during installation, and they are not long enough to bite into the frame. What should I do?

The universal screw pack is equipped with a 1-3/4” sheet metal screw that will work in most instances. If a frame is filled with mortar, pre-drilling an area behind the frame with a small drill bit may be required.

Download a Preventing Mortar From Breaking Drills and Taps Tech Memo here.

I have cut my hinge to a custom length in the field and the bottom pin keeps falling out after installing the hinge. What should I do?

In this situation Markar does not recommend using the end pin. Crimping the barrel of the hinge would be the correct way to solve the problem.
Download a Cutting Hinges to Custom Length Tech Memo here.

Is any frame or door reinforcement required for your adjustable hinge models?

For hollow metal door prep, download an Adjustable Application Tech Memo here.