Upholstery Tip #23: Stagger Your Tacks

When attaching webbing to a chair frame with upholstery tacks, the placement of the tacks is key to ensuring durability and preventing damage to the wood. Upholstery Tip #23 this month is to always stagger your tacks in a zig-zag or alternating pattern across the end of the webbing. This technique spreads the strain evenly, reducing the risk of splitting the wood over time.

Why is staggering important?
When tacks are driven in a straight line, they concentrate pressure along a single grain of the wood, making it prone to cracking or splitting, especially with repeated strain from webbing tension. A zig-zag pattern avoids this by offsetting the stress points.

Dealing with old tack holes
If you encounter old tack holes while working, it’s best to avoid reusing them. Old holes can weaken the structure, increasing the risk of splitting or allowing tacks to pull loose. Instead, place new tacks in fresh spots nearby.

What if the frame has too many holes?
In cases where the wood is riddled with old tack holes, the frame can lose its integrity. To repair this, you’ll need to fill the holes to restore strength. Refer to Tip #16 for a step-by-step guide on filling tack holes with wood filler or dowels, sanding smooth, and reinforcing the frame. A well-prepared frame ensures your tacks hold securely and your project lasts for years to come.

Pro Tip
Before hammering in your tacks, inspect the webbing and frame alignment to ensure everything is taut and straight. Once the tacks are in, adjustments are more difficult. A little planning saves a lot of hassle!

By following these steps, your upholstery work will look professional and stand the test of time. Strong tacks, sturdy frames, and attention to detail make all the difference.

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