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Floor Supports Question

Posted:
Wed May 13, 2015 8:27 am
by SteveE
I'm using the sandwich floor construction method with insulation and wanted to find out if you guys either use a biscuit joint or Kregg screw to join the 1 x's together. Would the plywood glued and screwed to the 1 x supports be enough?
Seems that once the plywood is glued and screwed to the supports it would not be going anywhere.
Steve
Re: Floor Supports Question

Posted:
Wed May 13, 2015 8:32 am
by bobhenry
Ever try tearing apart a hollow core interior door?
And most of the spacers in there are corrugated cardboard
I see no reason at all for mechanical fasteners assuming you are adequately gluing and clamping the assembly until cured.
Re: Floor Supports Question

Posted:
Wed May 13, 2015 9:19 am
by dales133
I kreg screwed mine together but Bob is dead right, in hindsight it didn't need to be but it did however make the construction a bit easier
Re: Floor Supports Question

Posted:
Wed May 13, 2015 10:05 am
by SteveE
bobhenry wrote:Ever try tearing apart a hollow core interior door?
And most of the spacers in there are corrugated cardboard
I see no reason at all for mechanical fasteners assuming you are adequately gluing and clamping the assembly until cured.
Yes gluing with liquid nails, plenty Of clamps and weights until cured.
Steve
Re: Floor Supports Question

Posted:
Wed May 13, 2015 10:25 am
by dales133
Liquid nails can go brittle in time, I used pva to glue the skins on and tb3 for the frame
Re: Floor Supports Question

Posted:
Wed May 13, 2015 12:55 pm
by SteveE
dales133 wrote:Liquid nails can go brittle in time, I used pva to glue the skins on and tb3 for the frame
Good point .
Thanks.
Steve
Re: Floor Supports Question

Posted:
Wed May 13, 2015 9:17 pm
by KCStudly
I have used a combination of biscuits, pocket screws, and deck screws.
Basically I used biscuits and TB2 glue to build the major assemblies, then screws and PL Premium to assemble the major assemblies. I did the floor and wall frames with biscuits so there wouldn't be any screws in the way when I went to screw the walls to the floor. Same with the bulkhead; I used biscuits so that when I screwed thru the walls I would hit wood.
The cabinet face frames, which are structural parts of my unit construction, were a combination of biscuits where possible, some pocket screws were I didn't want biscuits to blow out thru the sides of the smaller joints, and pocket screws thru the backs of the frames to attach them to the walls at installation.
So the answer is both, selectively.