LumberJocks

Woodworking blog entries tagged with 'contraction'

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View DustyMark's profile

Building a Dr. White's Chest #3: Case Construction and Glue-Up

449 days ago by DustyMark | 4 comments »

Design Considerations Watch this video to explore design considerations. Solid wood case construction must take into account wood movement. Wood expands and contracts across the grain and does not along the length of the grain. When wood is glued across grain over a long span, it will split when it contracts. NOTE: The drawer frames and the back are all pre-assembled. The back is a mortise and tenon frame which contains six floating solid-wood panels. Clamping rehearsal withou...

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View kewald's profile

Inside Picture Framing #5: Spacing around frame components

2060 days ago by kewald | 0 comments »

All parts of the frame package (backing board, mounting board, mats, art, glazing) need to be spaced away from the edge of the frame so that natural expansion/contraction of each part does not cause bowing or cracking. In general, there should be 1/16” space on each side and 1/8” space at the top, more for large frames.

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