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  • Writer's pictureKevin Peterson

Home Improvement Tip: What's The Easiest Way to Protect and Improve Your Home Value? CAULK.

Updated: Dec 7, 2023

Recently we had a smell coming from our bathroom and if I were to sell my house tomorrow, I'd have to disclose this. So I began my root cause analysis and started taking things apart. Wax seal? Nope. Vent tube? Nope. Leak in the toilet? Nope. [And yes, to prevent smells from the sewer, a Philz coffee cup fits perfectly.] Finally, I found the culprit! The Toto Deodorizer Catalyst needed to be replaced.

As a real estate agent, we want to ensure your home disclosures are as favorable as possible when you are ready to sell and to avoid deferred maintenance you can be doing today.

More importantly, you should enjoy your home today and one of the simplest and easiest ways is by using caulk. There are many benefits including maintaining your home value so here are 10 quick do it yourself (DIY) projects for less than $20 you should perform today.

What Are The Benefits of Using Caulk?

Enjoying your home more (NOW):

One of the primary advantages of caulk is its ability to seal gaps and cracks effectively. This prevents (or reduces) drafts, keeps out moisture, and deters pests as caulk creates a barrier that ensures your home remains comfortable and safe.

Improved Energy Efficiency:

Caulk is an excellent tool for enhancing energy efficiency. By sealing gaps around windows and doors, you can reduce heat loss in the winter and keep your home cooler in the summer, ultimately leading to lower energy bills.

Enhanced Aesthetics:

Caulk is perfect for achieving a polished, finished look in your home. It can be used to hide imperfections, such as gaps in trim, baseboards, or moldings, providing a clean and professional appearance.


When applied correctly, caulk can have a long lifespan, protecting your home against the elements and the wear and tear of daily life. This longevity makes it a cost-effective solution for your home improvement needs.

Caulk vs. Silicone vs. Grout

Understanding the differences between caulk, silicone, and grout is crucial for selecting the right material for your specific needs:

Caulk: Caulk is a flexible sealant suitable for filling gaps and cracks. It's often used for indoor projects and is available in various formulations, such as latex, acrylic, and silicone, each designed for specific applications.

Silicone: Silicone sealants are highly durable and resistant to moisture and temperature changes. They are often used in wet areas like bathrooms and kitchens for sealing sinks, showers, and tubs.

Grout: Grout is typically used for filling the gaps between tiles in flooring and backsplashes. It's less flexible than caulk and is essential for providing structural support and a finished appearance to tiled surfaces.

Where Are The Best Places to Use Caulk?

Here are our top 10 locations to using caulk.

1. Windows and Doors

Caulk is essential for sealing gaps around windows and doors to prevent drafts, improve energy efficiency, and keep your home comfortable year-round.

2. Bathroom Caulking

In areas prone to moisture, like bathrooms and kitchens, caulk is used to seal joints, seams, and corners in and around sinks, countertops, and tubs to prevent water damage and mold growth.

Should you caulk the front portion of your toilets? YES, for both hygienic reasons as well as for eliminating odors.

3. Kitchen Caulking

Caulk seams around countertops, backsplashes, and sinks to protect against water damage and make cleaning easier.

4. Baseboards and Trim

Caulk can create a seamless connection between baseboards, trim, and walls, giving your rooms a clean and polished appearance.

5. Crown Molding Caulking

Seal the gaps between crown molding and the ceiling to create an elegant transition.

6. Exterior Siding

For outdoor projects, caulk can be used to seal gaps in siding, preventing water infiltration and protecting your home's structural integrity.

7. Gutter and Downspout Sealing

Caulk joints in your gutter system to prevent leaks and ensure proper water drainage.

8. Crack Repair

Use caulk to fill small cracks in walls and ceilings before painting or applying wallpaper.

9. Tile Edges and Corners

Use caulk to seal the edges and corners of tile surfaces, like backsplashes or shower walls, for a polished and waterproof finish.

10. Drywall Joints

Caulk the seams between sheets of drywall to create a smooth and seamless appearance.

Tips for Applying Caulk Like A Pro:

Watch this video that's received over 10M views.

a. Cut a Small Hole In The Tip

When cutting the tip of the caulk tube, make sure to create a small hole for precise application. The size of the hole should match the gap you're sealing.

b. Add a Small Groove for a Snug Fit

To ensure the caulk adheres tightly to both surfaces, use sandpaper to create a small groove. This step helps achieve a professional finish.

c. Use Orientation Lines

Mark the longest part of the caulk tip with a felt pen to maintain the correct orientation during application.

d. Choose a Dripless Gun

Invest in a dripless caulking gun to prevent over-application and ensure a clean job.

e. Best Angle to Hold

The angle at which you hold the caulking gun should match the angle you cut on the tip. Avoid going too low, as the caulk may not stay on the wall, but if it's too steep, it's easy to wipe off with a damp cloth.

f. Manage Flow Rate

Start with light pressure and a slow speed, then gradually increase both as you become more comfortable. It's better to apply multiple thin layers than one heavy layer that's hard to clean up.

Caulk is a versatile tool that can make a significant difference in your home improvement projects. By understanding its benefits, the best applications, and mastering the application process, you'll be well-equipped to tackle various DIY projects and enhance the comfort and aesthetics of your home while also preserving it's value.

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