How to Test Old Windows for Lead Paint Before Restoration

If you are restoring an older home, one of the most important things to check before repairing wood windows is whether the paint contains lead. Homes built before 1978 often have layers of paint that may contain lead, and disturbing that paint without proper precautions can create serious health risks.

In this article and video, I walk through the first step in restoring a historic wood window: testing the paint for lead before beginning any repair work.

Why You Must Test for Lead Paint First

When restoring old wooden windows, it is very common to encounter multiple layers of paint that have built up over decades. Many of those layers were applied before lead-based paint was banned for residential use in the United States.

If you begin sanding, scraping, or grinding without knowing whether lead is present, you can release hazardous lead dust into the air. That dust can spread throughout the house and create long-term contamination issues.

Testing first allows you to determine whether you need to use lead-safe work practices before beginning your restoration project.

A Simple Lead Test You Can Do in Minutes

The good news is that you do not need expensive equipment to determine whether paint contains lead.

In the video above, I demonstrate how to test a wood window frame using an inexpensive lead test kit that costs under $10. These kits use a chemical swab that reacts with lead and changes color if lead is present.

The process is simple:

• Expose the paint layers by making a small cut into the surface
• Activate the test swab
• Rub the swab on the exposed paint
• Watch for a color change that indicates the presence of lead

The entire test takes only a few minutes and gives you immediate information about whether the paint is safe to disturb.

Why Historic Wood Windows Are Worth Restoring

Many homeowners assume old windows should be replaced, but historic wood windows are often far higher quality than modern replacements.

Restoring an existing wood window allows you to:

• Preserve original craftsmanship and historic character
• Avoid the high cost of full window replacement
• Extend the life of the window for decades
• Maintain the architectural integrity of the home

These same restoration techniques are often used in other types of detailed carpentry work, such as trim repairs and finish carpentry. If you are interested in the types of carpentry work we provide, you can learn more about our <a href="https://www.surecrafthome.com/home-repairs-trim-jacksonville/">home repairs and trim work services in Jacksonville</a>.

Historic restoration work also overlaps with many of the techniques used in custom woodworking and cabinetry, where precision and durability are essential. You can see examples of our custom trim work here

Products Used in This Video

AAwipes Lead Test Kit
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White Vinegar
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Bora Centipede Table
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Disclosure: The links above are affiliate links. If you purchase through them, I may earn a commission at no additional cost to you. This helps support the materials needed to create more restoration and woodworking content.

Learn More About Home Repair and Restoration

If you have historic wood windows that need repair or restoration, click here to learn more about the services we provide for exterior trim and repair in Jacksonville. We specialize in detailed carpentry, restoration work, and high-quality repairs that preserve the character of older homes.

You can also subscribe to the SureCraft Home YouTube channel for more step-by-step projects covering woodworking, home repair, and historic restoration.

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