Apr. 01, 09 - 03:31PM
I got a plan that said the first step was to face glue 6/4 to size. Does anyone know of a sheet table to tell me what this means?
I'm just not that familiar with the codes!! I know it's simple math but I need to understand the numbers.
Thanks.
Submitted: Ldcaldwell
Apr. 01, 09 - 06:18PM
A 5/4 is 1-1/4" thick. I've never heard of a 6/4 but I can assume it must be 1-1/2".
Submitted: Tasobo
Apr. 02, 09 - 07:41AM
You're right, 6/4 refers to thickness and means 1-1/2" material. Hardwood thickness is, technically, measured by quarters. (I don't know the history of this. I think it's just to keep us on our toes.) So you'd have 3/4", 4/4" (1"), 5/4" (1-1/4").... maybe as thick as 12/4" (3").
If the instructions say "face glue" I assume your project calls for a 3" thick part, or maybe a 3" x 3" piece.
Some wood species are available as 7/4", which is the thickness of the material when it's rough. Planing would get you down to the thickness you need for gluing. You may have to buy 8/4 and plane to 6/4.
If you've got your own planer I recommend you leave the parts slightly large in both directions when gluing, then plane them to perfect size after the glue is dry. If you're trying to hit a 3" thickness it's unlikely you'll have a perfect 3" after gluing two pieces face to face. Better to machine after the fact.
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