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Rough Opening for Exterior Door

2020 Writeoff · 2022-01-04 07:51:21

Hi all, hoping someone can put my brain to rest on this one! In a new build (block wall cavity) what should the rough opening (block to block) be for a 32" upvc exterior door? The 32 inches would be the door panel size itself not including the jamb. Thanks in advance!

04-01-2022 7:51am

#1

2020 Writeoff

Registered Users, Registered Users 2 Posts: 9 ✭

Join Date: May 2020

Posts: 5

Hi all, hoping someone can put my brain to rest on this one! In a new build (block wall cavity) what should the rough opening (block to block) be for a 32" upvc exterior door? The 32 inches would be the door panel size itself not including the jamb. Thanks in advance!

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Comments

#2 04-01-2022 4:32pm

10-10-20

Registered Users, Registered Users 2 Posts: 8,073 ✭✭✭

Join Date: March 2007

Posts: 7888

Normally I have specified the ope dimensions and the manufacturer then builds to size, why you would work backwards off the door-panel size - I'm not sure?
But you would need to know the width of the 3 jambs and the threshold, then add at least 5mm each side for comfort. ...and that's with the open being true...

2