Joe_Carrick Posted September 1, 2019 Share Posted September 1, 2019 I'm having trouble getting dimensions of my CMU walls to comply with my window sizes. Example: 64" wide CMU opening (8" Block Module) 1.5" trimmers .5" RO each side 60" Nail-on Vinyl Window I want the wall opening to dimension as 5'-4" and the Window Schedule to indicate the width as 60" What settings do I use in the window dbx to get the walls to dimension correctly? Link to comment Share on other sites More sharing options...
Ridge_Runner Posted September 1, 2019 Share Posted September 1, 2019 (edited) Does zero jamb width not do it? Or are you using the 1.5" trimmer as the jamb width? Edited September 1, 2019 by Ridge_Runner additional question Link to comment Share on other sites More sharing options...
Joe_Carrick Posted September 1, 2019 Author Share Posted September 1, 2019 I have tried 1-1/2" Jamb Width and 1-1/2" Trimmers. Jambs are shown inside the 60" Window dimension Trimmers don't exist in CMU Walls Window shows in Schedule as 60" width Dimension to RO is also 60" Evidently Chief just doesn't know how to deal with a rough buck (trimmer) in a masonry wall. Link to comment Share on other sites More sharing options...
Kbird1 Posted September 2, 2019 Share Posted September 2, 2019 10 hours ago, Joe_Carrick said: What settings do I use in the window dbx to get the walls to dimension correctly? I don't think the window is the Issue Joe , you need to set your Dimension Defaults to Rough Opening to measure it correctly........... unless I misunderstand something? as it seems to work for me...though you are correct ....CA doesn't show the Buck/RO Space..... could be done with a Cross Box but that could be a bit of work depending on the size of the project , but copy >reflect about helps. Link to comment Share on other sites More sharing options...
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