R Zip Sheathing - Custom Doors? - Construction - Contractor Talk

R Zip Sheathing - Custom Doors?

 
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Old 07-02-2019, 06:33 PM   #1
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R Zip Sheathing - Custom Doors?


So with R zip sheathing are you guys opting for custom doors? or just adding to the jamb?
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Old 07-02-2019, 07:52 PM   #2
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Re: R Zip Sheathing - Custom Doors?


I have almost never been able to use a standard 6 9/16 jamb door.

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Old 07-03-2019, 04:46 PM   #3
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Re: R Zip Sheathing - Custom Doors?


Really depends on the R value you're ordering, and the lumber width used....

https://insulateyourbuild.com/

I just got finished framing an R Zip 2x4 with 1.5" panel home and installing doors and windows. The biggest issue is the foam being compressed from over driven nails on cut out areas...or, the panels not being properly set tight to framing members. There are generally more irregularities on the exterior due to the Zip sheeting thicknesses and minute differences between slightly weathered foam to "new" foam/zip panels.

A trim carpenter would want the framers to check the thickness of wall at cut out areas in order to best keep any potential extension jambs consistent..or window and doors to closely meet interior coverings.
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Old 07-04-2019, 04:44 PM   #4
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Re: R Zip Sheathing - Custom Doors?


As far as I am able to determine, custom width jambs are only available in primed, finger jointed pine which will rot out in no time.
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Old 07-05-2019, 09:57 AM   #5
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Re: R Zip Sheathing - Custom Doors?


Quote:
Originally Posted by RichVT View Post
As far as I am able to determine, custom width jambs are only available in primed, finger jointed pine which will rot out in no time.
Pretty sure I’ve ordered/bought them in pvc.

Thermatru sells a composite jamb, which I’ve ordered in 6-9/16”.
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Old 07-05-2019, 10:00 AM   #6
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Re: R Zip Sheathing - Custom Doors?


https://www.thermatru.com/globalasse...rame_final.pdf
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Old 07-05-2019, 10:01 AM   #7
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Re: R Zip Sheathing - Custom Doors?


Back when wrapping everything in aluminum was still popular I made my own custom extensions as they didn’t have to match the factory jambs.
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Old 07-05-2019, 12:08 PM   #8
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Re: R Zip Sheathing - Custom Doors?


I've never seen it be an issue. Is it that much of a difference for you?
It's been 7/16" OSB here for some time and never an issue.
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Old 07-05-2019, 06:37 PM   #9
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Re: R Zip Sheathing - Custom Doors?


Right now I'm working on a door that has 8 9/16" jambs (2 X 6 wall with 2" of foam).

The original finger jointed jambs rotted out in less than 8 years and caused thousands of dollars in damage under the door because the door was not flashed properly (no sill pan).

I got a 6 9/16" PVC replacement jamb kit from Royal Mouldings and added 5/4 PVC jamb extentions to the exterior. I could not find a jamb in that width in anything but finger jointed pine so I was forced to build it myself.
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Old 07-05-2019, 07:09 PM   #10
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Re: R Zip Sheathing - Custom Doors?


I'm sorry, I just re read the op and totally missed the "R"
carry on......lol....
I haven't crossed that bridge yet so I am paying attention to see what the consensus is.
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Old 07-05-2019, 07:46 PM   #11
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Re: R Zip Sheathing - Custom Doors?


Quote:
Originally Posted by RichVT View Post
Right now I'm working on a door that has 8 9/16" jambs (2 X 6 wall with 2" of foam).


Why? Isnít the purpose of 2Ē foam to avoid needing 2x6 framing?
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Old 07-05-2019, 10:04 PM   #12
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Re: R Zip Sheathing - Custom Doors?


Quote:
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Why? Isnít the purpose of 2Ē foam to avoid needing 2x6 framing?


Sometimes

Sometimes it is used when doing an air passive system
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Old 07-06-2019, 03:13 AM   #13
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Re: R Zip Sheathing - Custom Doors?


The Idea of surface mounted foam insulation is that the studs no longer act as "short circuit" for heat flow(gain or Loss).

My home would have the NON-Flame able insulation between TWO layers of sheathing for long term rigidity and protection of foam from varmit/ bug&bird damage. that could occur for years out of sight behind the rain screen.

Love the split 2" x 6" or 8" stud idea, with or with out foam over the truss pins, eliminating the need for surface foam to meet current E guidelines.

Out side the BOX, 2 x 3 s on 24" C to Cs both sides of a 2 x 6/8 plate/sill with continuous blocking at 2-4-6 feet above FFL using 5/8ths fiber glass gpy board...

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Last edited by Fouthgeneration; 07-06-2019 at 03:19 AM.
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