Wednesday, March 30, 2011

Step #4 – Scarfing

As I stated in my last post, I will explain how we join our sideboard extensions to the sideboards.  We can’t just glue the boards together because the bond won’t be strong enough with that amount of tension. We had to scarf 'em!  (If informational = very boring for you, this will be very boring)
The arrow is pointing to a scarf joint
Basically, we had to angle the edges of our boards before we glued them together (see picture above).  Remember, our sideboards are only ¼” thick so we can’t just cut them plywood at an angle; we had to sand them down to get that gradual slant.

I thought this process was going to be a pain; fortunately, it wasn’t as bad at all.  I’ll use our photos to illustrate the steps of scarf joining. 
1.       We nailed our 4 sideboards about 2.5 inches apart
2.       We sanded down the edges of the boards
3.       …and we kept sanding until the steps became a ramp

4.       Eventually we got our nice, smooth ramp

5.  Next, we flipped the sideboard extension upside down so that the angles fit perfectly into each other
6.   We spread glue on the surfaces where the boards would be joined, sandwiched them in between boards, and hammered them all together to clamp them while the glue dried. 


Diagram courtesy of http://www.unclejohns.com/
7.       Once the glue was done drying, we removed the homemade clamp and sealed the nail holes

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