Projects

Using a Heat Gun

Project Overview

Heat guns are a great way to remove old paint, varnish and other finishes. They are especially good at taking off multiple layers of paint – all at once! As you use the heat gun, the paint softens and bubbles up, making it easy to remove it with a metal scraper. As you might guess, you'll need to keep your wits about you with a heat gun. You don't want to point it at anything other than the work surface, and you'll need to protect yourself by wearing long sleeves, safety glasses and a respirator designed for use with a heat gun. Keep a fire extinguisher handy – just in case.

Step 1

Point Heat Gun at Surface

With the heat gun running, point the nozzle at the work surface, keeping it about 2 inches away. Move the gun back and forth across the surface until the paint begins to bubble and blister. Stop if the finish begins to smoke!

Step 2

Push the Paint Away

Hold the putty knife at about a 30-degree angle and use it like a plow to push the paint away. Avoid gouging the wood. Dump the softened paint sludge into an old coffee can as you work. Special paint scrapers with angled blades work better than most ordinary scrapers.

Step 3

Redo Detailed Areas

You'll want to go back over detailed areas with the heat gun, using a contoured scraper to get into narrow crevices.

Step 4

Use Scraper to Remove Stubborn Specks

Any stubborn flecks that remain can usually be removed by using just the scraper. Again, be careful not to damage the work surface. When the paint is all gone, wash the surface with denatured alcohol or mineral spirits.

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Project Details

Skill Level: Intermediate

Time: 2 hours

Before you start, read this »

Due to differing conditions, tools, and individual skills, The Home Depot® assumes no responsibility for any damages, injuries suffered, or losses incurred as a result of attempting to replicate any of the home improvement ideas portrayed in this website Before beginning any home improvement project, review it thoroughly to ensure you or your contractor can finish the project and if any doubts or questions remain, consult local experts or authorities. Because codes and regulations vary greatly, you always should check with authorities to ensure that your project complies with all applicable local codes and regulations. Always read and observe all of the safety precautions provided by any tool or equipment manufacturer, and follow all accepted safety procedures.

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