Why Use Tar on Fence Posts?
Building a fence is a fantastic project, bringing your backyard to life with privacy, security, and style. But as you’re prepping those posts for the job, you might wonder about protecting them from the elements. And if you’ve ever noticed how durable wooden fences can be over time, you know there must be something special about a good coat of tar.
Enter tar! While it may sound like something out of a medieval alchemist’s lab, tar is actually incredibly useful for protecting wood from the elements. It’s not just some messy goo; it’s a time-tested solution that can significantly extend your fence’s lifespan.
Understanding the Science Behind Tar
Before we dive into the practicalities, let’s understand why tar works so well. Tar is essentially a thick, viscous liquid made from the distillation of coal or petroleum. It contains a high concentration of hydrocarbons and is known for its exceptional resistance to moisture, decay, insects, and rot.
The magic lies in the composition of this tar. Hydrocarbons like those within the tar are remarkably hydrophobic – meaning they repel water. This makes tar an excellent barrier against rain, snow, and humidity. It also prevents wood from absorbing moisture into its fibers, preventing rotting and warping.
Types of Tar: A Quick Breakdown
There are several types of tar available on the market today, each offering unique properties and purposes. For fence posts, you’ll want to consider:
- Creosote: This is a classic choice for wood protection. It has excellent durability but might be a bit more pungent (and potentially carcinogenic) than some other options.
- Coal Tar Pitch: This type of tar is known for its superior resistance to weather and abrasion. It’s often favored for heavy-duty projects or those with high traffic.
- Wood Preservatives: These are designed specifically for wood and offer protection against insects, rot, and mold.
Getting Started: Applying Tar to Fence Posts
Think of applying tar as a sort of art, but with a very specific outcome. You want the tar on those posts to be smooth and even – like you’re coating a canvas for your masterpiece!
Don’t forget about safety! Always wear gloves and eye protection when working with tar. The fumes can be strong, so ensure good ventilation.
Here’s a step-by-step guide on applying tar to your fence posts:
1. **Preparation:** Clean the post surface thoroughly, removing dirt and debris. You may want to use a wire brush for this. 2. **Application:** Apply a generous layer of tar using a paintbrush or roller. Spread it evenly over the entire surface of the posts, ensuring even coverage. 3. **Curing:** Allow the tar to cure completely before you start putting up your fence. This usually takes around 24 hours but check the product details for specific instructions.
Choosing the Right Tar: A Key Decision
When selecting tar for your fence posts, there are a few factors to consider:
- Environmental Concerns: Some tar types (like creosote) can be heavy on the air and soil. Research eco-friendly alternatives if you’re concerned about environmental impact.
- Toxicity: Some tar is more toxic than others, so ensure you are familiar with the specific product and any potential hazards before use.
- Cost: Tar comes in different price ranges. Compare the cost per gallon of various options to find one that fits your budget.
Maintenance for Longevity
You’ve taken the time and effort to apply tar, but what about maintaining those posts? Here’s how to keep your fence looking its best:
- Regular Cleaning: Wipe down your posts with a damp cloth every few months to remove dirt and grime.
- Inspect Regularly: Check for any cracking or damage in the tar layer. Re-apply as needed to prevent moisture from penetrating the wood.
The Long Game: Investing in Your Fence
Applying tar to your fence posts is an investment in longevity and a beautiful, long-lasting fence. You’re essentially building an armor for your wooden structure against time and nature. It’s a small cost that yields big benefits.
Remember: Properly applied tar will add years of life to your fence, saving you money on replacement and ensuring you enjoy your hard work for years to come. So go ahead, take the plunge – your fence will thank you!