SWISCO - The Replacement Hardware Authority

Door tracks needed

A home owner from USA says:
Can you please let me know if you have rails I can purchase to work with the doors I have. They are very heavy and are 8' high, 3 of them.
User submitted photos of patio door hardware.
Marshall Aluminum Products Irvine, CA
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Paul from SWISCO responded:
Thanks for posting. Your roller assembly looks like our 81-252. Because of the weight, look at our 23-256 or 23-258 tracks. Their design is better suited for heavy doors.
A quick learner from California says:
OK, we're getting ready to jump back into this project, after some unforeseen delays. How much clearance should I leave between the rail and my top guide?
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Paul from SWISCO responded:
The 23-256 bottom track, including the track rails, is 5/8" high. So you want at least 7/8" clearance to swing the doors so the wheels will clear the track.
A handy person from Monterey CA says:
Measuring twice cutting once!:
on April 17 you stated that the 23-256 bottom track is 5/8" high and i would need 7/8" clearance. does that include the 5/8" track or is that in addition to the track height to the surface the upper rail is attached to?Thank you,

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Paul from SWISCO responded:
Hello, Bill! The 5/8" height includes the track rails with the base.
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