Waterproof tarpaulins are versatile products for outdoor use. Whether used to cover equipment, protect vehicles, create a quick shelter, or provide shade in an outdoor area, tarps can be an invaluable tool. Tarpaulins are strong and waterproof, but work most effectively when tied down correctly. If it is not tied down tightly, wind can lift it up, rainwater can pool on it, and, if tensions are let loose, it can tear. Knowing how to properly tie down a tarpaulin is a simple but important skill to have, as this skill will help you successfully store your gear, keep your shelter stable, and ultimately save you time and money.
Why Securing a Tarpaulin Matters
If a tarp isn't tied down properly, it can create a problem quickly. Even in a light breeze, it can flap around if not tied down correctly. This sounds abrasive and could eventually wear out the tarp. Also, if water collects and pools in the middle, the weight may pull it down towards the ground. Likewise, the moving tarp may stress the grommets or ropes, doing exactly that, changing position, and in an extreme case, even break. Making sure that the tarp is tied down tightly and in the right direction allows it to last longer and do its intended purpose.
Selecting Your Location
Start by thinking about where you are placing the tarpaulin - where you put it does matter. For ground cover, look for a flat surface that does not collect water. For a shelter, look for sturdy supports such as trees, poles, or frames that are steady. If the area is windy, orient the tarp so that one side is facing the breeze (rather than standing broadside). Doing this may reduce pressure on the tarp and the need to work to keep it steady.
Preparing the Tarpaulin
Before choosing your tie-down options, ensure a flat tarp. If you are using a tarp for a shelter, spread it out in the shape you want! You can either put it flat overhead as a tarp, slanted one way, or angled like a tent roof. If your tarp has grommets (the metal or plastic rings along the edges), make sure they are intact. The weaker the grommet, the more likely the rope will tear through the anchor point under tension. A strong tarp that is not damaged will always tie down better.
Ropes and Knots
The most common way to tie down a Canvas Tarpaulin is with rope. Either a strong rope or a paracord is best, because they do not snap. Thread the rope through the grommet and tie it to the anchor point, whether it is a tree, pole, or stake in the ground. If the knot is tied correctly, it should hold tight, but not be impossible to untie! Many campers will use very simple knots, bowline or half hitch, because they hold tight, but can be released without cutting the rope. Make sure to pull tight to stretch the tarp, but also do not pull too tight, as that will ruin the tarp by tearing it.
Anchoring to the Ground
For tarps utilized as low shelters or ground cover, using some stakes or weights will help hold the edges of the tarpaulin down. If you do not have stakes, you can use stones, logs, or even bags of sand. Use these anchors around the edges and the corners of the tarp to keep it as flat as possible. What is needed is just enough weight to anchor the tarp from being pulled up by the wind. For soft soil, it is best to press the stakes down as deep as possible to keep them from accidentally coming loose.
Looking for Tension and Water Runoff
After the tarp is all tied down, step back and check the overall shape of it. A tarp that is tied down well will look smooth and not have any big, bunched folds. A tarp that sags will create water pools if it rains. To fix that, adjust by lowering one side of the ropes so that it slopes slightly down to one side. This is how the tarp will create a slope for water to run off and not pool at the bottom. Having good tension will not allow so much flapping in the wind either.
Maintaining Security Over Time
A tarp that is properly tied can loosen when the weather changes. Wind, rain, or the sun can move the ropes or stretch the tarp. So, it is always good to check it from time to time. Retighten the knots when they loosen and adjust the angle if water starts to pool. If you take the time to check it, you can save yourself a big problem later.
Final Thoughts
Securing a waterproof Tarpaulin may seem simple enough, but it will certainly contribute to its effectiveness. Choosing a good location, preparing the tarpaulin, using strong ropes, and checking tension can keep the tarpaulin in place no matter the weather. It doesn't matter if you're putting up a shelter, covering equipment, or protecting a vehicle; if you secure the tarpaulin properly, it will do its job. The next time you use a tarpaulin, take the time to tie it down correctly; a little effort may prevent damage to your possessions and provide peace of mind in the outdoors.
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