jpavlik Posted October 25, 2017 Share Posted October 25, 2017 "Why is the finished ceiling height default set at 97 3/8" OR and OR not OR 96" or 8' Link to comment Share on other sites More sharing options...
rlackore Posted October 25, 2017 Share Posted October 25, 2017 The Finished Ceiing (F) is equal to the Rough Ceiling (E) minus the Ceiling Finish (J). So whatever values you've entered in E and F will determine J. Link to comment Share on other sites More sharing options...
JLDrafting Posted October 25, 2017 Share Posted October 25, 2017 Standard stud @92 5/8" plus sole plate and two top plates = 97 1/8". Link to comment Share on other sites More sharing options...
DRAWZILLA Posted October 25, 2017 Share Posted October 25, 2017 I think it is determined by the lumber length for standard wall studs in your area. Link to comment Share on other sites More sharing options...
johnny Posted October 25, 2017 Share Posted October 25, 2017 1 hour ago, jpavlik said: "Why is the finished ceiling height default set at 97 3/8" OR and OR not OR 96" or 8' As others have said about actual stud height.....but the reason is framing should be in rough dimensions and once you add Sheetrock lid and flooring you should be at (or close) to 8’/9’ fin. dimensions. Link to comment Share on other sites More sharing options...
VHampton Posted October 25, 2017 Share Posted October 25, 2017 That's exactly why...Eight foot pre-cuts are common in every US lumberyard. 97-3/8ths allows for 3/4" flooring and 1/2" or 5/8" Sheetrock at the ceiling. Link to comment Share on other sites More sharing options...
RL-inc Posted October 25, 2017 Share Posted October 25, 2017 Agreed with all of the above- industry standards. common studs lengths: 88 5/8" 92 5/8" 104 5/8" Then add 4 1/2" for plates creates rough wall height. Link to comment Share on other sites More sharing options...
rlackore Posted October 25, 2017 Share Posted October 25, 2017 25 minutes ago, johnny said: As others have said about actual stud height.....but the reason is framing should be in rough dimensions and once you add Sheetrock lid and flooring you should be at (or close) to 8’/9’ fin. dimensions. I forgot the flooring. F=E-(J+K). Link to comment Share on other sites More sharing options...
Dermot Posted October 25, 2017 Share Posted October 25, 2017 The same reason that standard wall studs are 92 5/8", so you don't have to trim all of your sheetrock. Link to comment Share on other sites More sharing options...
WendyatArtform Posted October 25, 2017 Share Posted October 25, 2017 From the department of ridiculous redundancy - "what they said". That standard stud at 92 5/8" is called the "KD Stud for an 8 foot ceiling". http://forums.finehomebuilding.com/breaktime/general-discussion/framing-lumber-kd-or-not And, even though technically the term means Kiln Dried (which has nothing to do with length), if you order KD Studs, you're going to get them precut to this 92 5/8", developed as an industry standard to fit the drywall and so every carpenter doesn't have to cut every stud in the field. Link to comment Share on other sites More sharing options...
JJohnson Posted October 25, 2017 Share Posted October 25, 2017 Precut studs in this part of Northern CA are 92 1/4. This results in a wall frame height of 96 3/4 ( the actual measurement will usually be @ 1/8 in over due to imperfections in plates etc.) Allows for 5/8 in drywall ceiling with no wall board trimming. On a slab, an 8 ft piece of sheathing, held 1/2 in. up from the bottom of the bottom plate, just makes to within 1/4 in of the top of top half of doubled top plates. To me, a longer, even just a little longer, precut stud could mean buying 9 ft sheathing and trimming it all down. Link to comment Share on other sites More sharing options...
Kbird1 Posted October 25, 2017 Share Posted October 25, 2017 edit : what JJ said precuts depend on where you are locally and even which lumberyard you use so ask ...... this is in California but these are also my local suppliers precut lengths ie for 8' it is 92 1/4 http://haywardlumber.com/product/pre-cut-studs/ Link to comment Share on other sites More sharing options...
jpavlik Posted October 25, 2017 Author Share Posted October 25, 2017 That's what seemed off here. The default set my stud lengths at 94 3/8" not 92 5/8" Here in Michigan pre-cut are 92 5/8". Link to comment Share on other sites More sharing options...
Renerabbitt Posted October 25, 2017 Share Posted October 25, 2017 1 hour ago, JJohnson said: Precut studs in this part of Northern CA are 92 1/4. This results in a wall frame height of 96 3/4 ( the actual measurement will usually be @ 1/8 in over due to imperfections in plates etc.) Allows for 5/8 in drywall ceiling with no wall board trimming. On a slab, an 8 ft piece of sheathing, held 1/2 in. up from the bottom of the bottom plate, just makes to within 1/4 in of the top of top half of doubled top plates. To me, a longer, even just a little longer, precut stud could mean buying 9 ft sheathing and trimming it all down. +1 in Northern CA Link to comment Share on other sites More sharing options...
dshall Posted October 26, 2017 Share Posted October 26, 2017 6 hours ago, JJohnson said: Precut studs in this part of Northern CA are 92 1/4. This results in a wall frame height of 96 3/4 ( the actual measurement will usually be @ 1/8 in over due to imperfections in plates etc.) Allows for 5/8 in drywall ceiling with no wall board trimming. On a slab, an 8 ft piece of sheathing, held 1/2 in. up from the bottom of the bottom plate, just makes to within 1/4 in of the top of top half of doubled top plates. To me, a longer, even just a little longer, precut stud could mean buying 9 ft sheathing and trimming it all down. Yep, what JJ said. I think it it varies from east coast to west coast. Link to comment Share on other sites More sharing options...
dshall Posted October 26, 2017 Share Posted October 26, 2017 I round up to 97”. I like sitting on fence, right in between east coast and west coast. 1 Link to comment Share on other sites More sharing options...
DRAWZILLA Posted October 26, 2017 Share Posted October 26, 2017 13 hours ago, dshall said: I round up to 97”. I like sitting on fence, right in between east coast and west coast. me too Link to comment Share on other sites More sharing options...
GeneDavis Posted October 26, 2017 Share Posted October 26, 2017 The 1/8" must come from the common practice to use 5/8 sheetrock on ceilings. On goes the rock, then with a 97-1/8 rough ceiling your rough floor to ceiling is now 96-1/2", just right for two widths of 48" rock on the walls lifted up 1/2" with that little rocker the guys keep in their pocket. Link to comment Share on other sites More sharing options...
Ridge_Runner Posted October 26, 2017 Share Posted October 26, 2017 4 hours ago, GeneDavis said: The 1/8" must come from the common practice to use 5/8 sheetrock on ceilings. On goes the rock, then with a 97-1/8 rough ceiling your rough floor to ceiling is now 96-1/2", just right for two widths of 48" rock on the walls lifted up 1/2" with that little rocker the guys keep in their pocket. That's the way it is for our area. Link to comment Share on other sites More sharing options...
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