How to Create Thick Stock

Some projects built from MDF shelving, desktops, sometimes even trimlook more substantial when you use thicker material.

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Some projects built from MDF shelving, desktops, sometimes even trimlook more substantial when you use thicker material. Since its harder to find thick MDF, reader Tim Burnside just glues 1/2- or 3/4-in. layers together. Here are his three keys to building up layers of MDF:

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1. Rough-cut the slabs about an inch larger than their final size. That way, you dont have to worry about aligning the edges during glue-up. Trim the perimeter later to create flush edges.

2. Spread on a full-coverage, even coat of wood glue. Spots that remain dry can open up slightly years later and show up as cracks in the edges. Tims favorite glue spreader is a small disposable paint roller.

3. Apply a lot of pressure to close all the gaps. Inexpensive spring clamps (lots of them!) are a quick way to squeeze the edges. For areas beyond the reach of clamps, apply weight. Buckets of water work well, as long as you dont spill!