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Gordon Lumber Company

Gordon Lumber Company

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The Correct CaulkChoosing the wrong caulk or sealant can cost you time and money. 

So, before your next project, consider these qualities of the product: flexibility, adhesion, paintability and service life.

Then, answer these questions:

Where will the product be applied?

Sealants and caulks are designed for either indoor or outdoor use. Check the tube to make sure you're buying the right kind.

What will the temperature be? 

Some sealants can withstand extreme temperatures, but others cannot. Again, check the tube to see if the product is made for your intended environment.

How wet will it get?

Despite what many people might think, not all sealants are designed to withstand high-moisture areas.

How easy is it to apply?

If you don't have a lot of experience with caulks and sealants, be sure to choose one that you can work with easily. 

There are several types of caulks and sealants. Here are the pros and cons of each:

Product Type
Silicone Caulk
This is the most commonly used caulk. It's great for filling cracks around doors, windows, and non-porous surfaces, including metal and plastic. It can withstand extreme temperatures, so it rarely breaks or cracks.
Silicone caulk can be difficult to apply and does have an odor to it.
Latex Caulk
Lasting up to 20 years, latex caulk is paintable, which makes it perfect for indoor use. It can be used to fill small gaps like those found in wood siding, door frames and window frames.
Latex caulk does not hold up well when exposed to extreme temperature changes.
Oil-Based Asphalt Caulk
As the most heavy-duty caulk available, it can be used for chimney repairs, flashing, and outdoor venting applications.
Use caution when working with oil-based asphalt caulk. It's very thick and dries quickly.
Caulking Cord
This product provides a quick, mess-free seal air conditioners, windows, doors and other small gaps.
Caulking cord is only a temporary sealant for small jobs.
Acrylic Latex Silicone Caulk
You get the best of both worlds with this hybrid sealant. It spreads easily, withstands extreme temperatures, and can be painted to match certain colors.
Kitchen and Bath Caulk
This type of caulk is designed to withstand high moisture areas, which makes it resistant to mold and mildew. It's excellent for sealing bathtubs, sinks, toilets, etc.
Butyl Rubber Caulk
This product is excellent for filling wide gaps and cracks up to ¼" wide. It can also be used to fill in gaps in certain stone, brick and concrete applications.

If you need help in choosing a caulk or sealant for your next project, stop in, call or email your local Gordon Lumber home improvement center.