Putting a tarp under your pool will aid in protecting the ground and extend the pool’s longevity, as well as ensure its safety. This guide will simplify the process by outlining the major steps and considerations for both novice and experienced pool owners to establish a solid base. We’ll discuss the importance of tarps, the required materials and tools, and provide a thorough guide for the installation process. This article will equip you with all the essential knowledge needed to confidently and efficiently set up your pool while guaranteeing proper support.
Why Use a Tarp Under Your Pool?

There are important reasons why putting a tarp under your pool is a must. First, it serves as a protective cover preventing the pool from contacting the ground directly, which can cause scratches or damage because of sharp items or rough surfaces. Moreover, a tarp also prevents pool moisture from penetrating the base of the pool, which weakens it over time. In addition, a tarp supplies extra stability by evenly levelling out the surface the pool rests. All of the factors contribute towards making a pool out of tarp,sharpenes market, which offers enhanced durability of the exterior surface as well as ruggedness, making it enable hassle-free use by almost everyone. Lastly, it increases the safety of the pool greatly for all users.
Benefits of a Tarp Under the Pool
A tarp has important benefits when placed under a pool. Tips that prevent perforation and or scratches, and damage to the pool liner and rupturing are provided. A tight seal prevents the groundwater from rushing into the pool base, which increases camouflage. Moreover, a tarp helps defend against a range of stains that would otherwise damage the aesthetics of the surface beneath the pool. In all, a tarp is the easiest step to save costs for maintaining a pool while still ensuring the best quality of the structure, which enables damage hindering use while greatly extending durability.
How a Tarp Protects Your Pool from Damage
The use of a tarp under your pool requires several technological details regarding its functionality to keep the pool safe from damage. Basic components akin to the following should be noted:
- Protective Barrier
A tarp serves a protective layer to prevent sharp edges of objects from slicing through the pool liner. For adequate protection, a tarp of no less than 5-10 mils should be used. Furthermore, heavier-duty tarps (20 mils or more) are guaranteed to be more durable for rougher ground conditions.
- Moisture Control
The tarp also lessens the possibility of groundwater seeping into the base of the pool which may cause it to collapse by creating a moisture proof layer. The best choice are tarps made of polyethylene or PVC material. These are known to be water resistant and durable.
- Smooth and Even Base
The tarp acts as a further leveler, smoothing out small juts on the surface so that the pool rests on a smooth level. To maintain full coverage and make sure the tarp stays in place, it should be 2-3 feet larger in diameter than the pool.
Keeping these guidelines in mind, you may increase the longevity and safety of your pool with the correct use of a tarp.
Comparing Pool Ground Cloths and Tarps
Both a ground tarp and a pool ground cloth serve the same purpose, however, they differ in design, effectiveness, and materials. Ground cloths are meant for pools specifically and thus are made of durable and high-density polyester material, often with PVC coatings. It protects against punctures, abrasions, and mold while offering a precise fit. Tarps, on the other hand, are multipurpose ground sheets made from water-resistant Polyethylene or canvas that are suitable for many applications, including a ground cover under pools.
Ticks from the list of differences include:
- Material Composition
- Ground Cloths: Must be treated and resistant to UV damage and mold; wear resistant high density materials. Popular for above ground pools are: polyester ground cloths with PVC coatings.
- Tarps: Purpose-built but less specialized for pools; made of water-resistant polyethylene or canvas.
- Durability
Ground specific setups are stronger due to longterm exposure to pool chemicals. This makes the ground cloth more durable. For temporary use, tarps are more effcient, however, under contant stress from the pool, they will degrade faster.
- Sizing and Customization
- Adjustable tarps do not fit snugly within the pool, but can cover sections.
- Custom-sized ground cloths offer tailor-made sizes suitable for specific pool models.
- Expenses
- Due to their specialized design and specific protective features, ground cloths are usually more expensive.
- Unlike tarps, which serve a single purpose, pool tarps are relatively inexpensive, though they do require regular replacement.
Technical Parameters to Consider:
- Weight (GSM – Grams per Square Meter):
- The optimum range for ground cloths is 200-350 GSM.
- For lighter coverage, provided durability is not paramount, 100-200 GSM is adequate on tarps. For greater durability, a higher GSM is needed.
- Thickness:
- For sufficient puncture resistance, ground cloths require 0.3-0.5 mm.
- Tarps require 0.15-0.3 mm, depending on the application.
- UV and Water Resistance:
- Ground cloths are usually treated with greater UV and water resistance compared to other materials; tarps need special coatings or laminations to extend their life outdoors.
Final Consideration:
Installing a pool-specific ground cloth provides unrivaled protection and longevity for permanent installations, whereas temporarily or budget-friendly solutions can opt for a tarp, though it must be applied correctly. Make your decision based on your pool type, budget, and desired maintenance level.
Choosing the Right Tarp for Your Pool

While picking a pool tarp, focus on the size, material, and purpose of the cover. Select a tarp that not only covers the pool but also extends beyond its edges for anchoring. Also, consider polyethylene and vinyl, as they are highly water resistant and guard against UV rays. If you plan to use the tarp temporarily, lighter materials may be acceptable; otherwise, use heavy-duty tarps for long-term coverage. Also, look for reinforced grommets for added securing ease and better environmental resistance to avoid wear in different conditions.
Factors to Consider: Durability and Lifespan
When assessing the durability and lifetime of a tarp, one must evaluate its effectiveness concerning its intended purpose to meet certain requirements effectively.
- Material Quality: For enhanced durability, high-quality materials such as heavy-duty polyethylene, vinyl-coated polyester, or even canvas tarps are more ideal. Durability comes with increased denier rating (i.e., 1000 or above) and thickness (10-20 mil), as they are long-lasting, enduring better wear and tear.
- UV Resistance: Sunlight exposure can gradually degrade tarp quality. Look for tarps that are treated with or have coatings specifically designed to protect against ultraviolet rays, dubbed UV-stabilized, for better-sustained protection, especially outdoors.
- Weatherproofing: General mold and mildew resistance and water-repellant features need to be integrated within the tarp to protect against maximum hostility. Look for waterproofing guarantees, such as heat-sealed seams in the tarp and shields against insulated weather (i.e., 20°F to 150°F for vinyl tarps).
- Reinforcements: Durable tarps feature reinforced borders with heavy-duty grommets placed at intervals of 18-36 inches, greatly improving resistance against tearing or wear from pulling forces. Certain tarps utilize ripstop weaves, enabling them to endure damage from minor rips to a degree.
- Usage Type and Frequency: Before anything else, determine the intended use and estimate the frequency of use of the tarp.
For construction or industrial purposes, tarps with high tear strength and abrasion resistance will last longer in strenuous situations.
By evaluating the given specifications, you can select the appropriate tarp that provides the coverage needed while ensuring long-lasting reliability.
Types of Heavy-Duty Tarps Available
Selecting the best tarp can be especially easy if you know the required features along with its intended application, whether it’s for general use, construction, or industrial applications. Understanding the specifics and characteristics of construction tarps includes:
- Polyethylene (Poly) Tarps: If you were looking for lightweight yet still durable tarps, these are made from layers of woven polyethylene plastic which makes them easily waterproof and UV resistant. Common thicknesses range from 6 to 20 mil, with higher mil measurements offering greater durability, and edges with grommets for secure fastening.
- Vinyl Tarps: Highly resistant to tearing, abrasion, or any harsh weather conditions, these types of tarps are known for superior strength and durability. Industrial and heavy duty construction requires tarps that need to withstand harsh conditions and for that, these are an ideal option. Typically, these tarps have a weight of 10 oz to 22 oz per square yard.
- Canvas Tarps: If you’re looking for moisture and breathable material at the same time, canvas tarps do the exact. Made from woven cotton or woven polyester fabric, these materials are usually treated for water resistance, mildew resistance, and flame retardance. You can also expect these tarps to be lightweight as with 10 oz to 18 oz per square yard in weight.
Vinyl, Canvas, and Polyethylene tarps all have unique merits to their name thus understanding their construction will help identify the most suited one.
How to Pick the Right Size Tarp
To choose the perfect tarp, I start by measuring the area or object that needs to be covered. Making sure to incorporate length, width, and what I call “extra material”, which refers to the tarp’s need to be tied down or draped over irregular shapes. My thought process also includes how much overhang is needed for proper coverage. A tarp that is too small will not provide appropriate coverage, while a tarp that is too large will be difficult to maneuver. Like many other people, I do look at product details; however, I reason that the dimensions provided may include cut size (before hemming) rather than the finished size. This method guarantees that I choose a tarp that is suitable for my purpose.
How to Properly Install a Tarp Under a Pool

When setting up a pool, make sure to install a tarp underneath. Begin by getting a tarp that is a little bigger than the pool’s base, this will help prevent damage to the pool and ensure proper support. Place the tarp on a flat, level surface that is free of sharp objects, rocks, or any debris that can hurt the pool. It is highly advisable to clear all wrinkles and bumps that can damage the pool. While setting the base of the pool, make sure to center the pool on the tarp to allow for even coverage on all four sides. After placing the pool, make sure to set all the edges of the tarp appropriately so that the pool is flat and balanced while resting on top of it. Doing so will keep the bottom of the pool undamaged, as well as give a smooth surface for the pump.
Step-by-Step Guide to Installing a Tarp
- Pick the Appropriate Tarp
Match the tarp to your specifications in size, material, and strength. It is better to have heavy-duty tarps constructed from held polyethylene or canvas for outdoor purposes since their water, UV, and tear resistance is superior. Before you go shop for a tarp, keep in mind that standard sizes range from 6’ x 8’ to 20’ x 30.’ Thus, do measuring beforehand to aid in properly picking out a tarp that fits your area.
- Get Ready to Set Up
The completeness of the area where the tarp will be placed is fundamental. It is best to put in the effort to remove sharp items, stones, or any other debris that may cause tearing. Make certain the ground is dry and level to ease the setting up process. For larger areas, smooth out the site using a broom or rake to clear out any loose hanging debris.
- Set the Tarp
When spreading the tarp, ensure that the grommets (the grommets are metal-reinforced holes) are pointed upwards, and place the tarp on the area where you want to erect it. This guarantees that the tarp is evenly placed on the surface. In cases where an object is being tarped, be sure to center the tarp so each side can be secured uniformly.
- Engage the Bungee Cords
Use bungee cords or even ropes to fasten the tarp. You can also use grommet traps; pass a rope through a grommet trap and tie it to a pole or hook. If you are using stakes, make sure to drive them into the ground at a 45 angle. You want the tarp to be as tight as possible, which is key in windy conditions. To increase security, weigh on the corners with sandbags.
- Adjust Restraints for Turnbuckle Settings
It can also be noticed that a correct setup entails a tarp that is pulled tight with no slack, since a taut tarp shows improved warranty as it avoids water collection. Make sure edges are resolutely tied.” Also, make certain no space is missed in the covered area.
- Inspection and Maintenance Based On the Conditions
With visits after periods with severe weather, one of the first things to look for is rips and general wear as it is highly common during such conditions. In the case of damaged cords or stakes, they can be replaced freely or be bound temporarily using tarp tape.
Important Considerations Overview:
- Material Thickness (measured in mils): Poly tarps have different thicknesses. For general purpose and outdoor use, a 10-mil thick tarp is recommended, while lightweight and heavy-duty tarps vary from 5-mil to 20-mil.
- UV Resistance: Select tarps with UV protection if intended for prolonged outdoor use.
- Waterproofing: Waterproof polyethylene tarps are widely available, but the seams need to be heat-sealed to ensure the best protection available.
- Grommet Spacing: Grommets are typically located at the edge of the tarp and are spaced 18-36 inches apart. The closer the grommets are, the better the tarps can be secured.
Fully utilizing a tarp requires advanced planning in its installation so that sturdiness and ease of use can be achieved.
Common Mistakes When Installing a Tarp
- Not Achieving the Proper Level of Tension
Failure to adequately span the tarp over the area results in ruffled edges, hence creating areas that are not fully taut. Avoid compromising the structural integrity of the tarp by using a tensioning device that allows for optimal tautness without damaging the fabric.
- Not Strapping the Tarp with the Required Stratagems
Not deploying sufficient anchoring points using grommets leads to a covering that will fail to provide the intended reliability during storms or high wind conditions. Secure all grommets to grommet plates at a distance of 18 – 36 inches apart using bungee cords, zip ties, or ropes.
- The Tarp’s Dimensions are Off
Choosing tarpaulins that are too large or too small greatly impacts the area’s efficiency in terms of functionality and reliability. Choosing a covering can be solved by measuring the area where the tarp will cover, then choosing one that is 3 feet above the edges.
- Overstretching tarps
Increased wear will occur if a tarp is not secured properly resulting in it flopping due to wind resistance. In cases where a tarp requires tie downs, use a spring device to prevent the tarping material from stress. The tarp should not add stress to the tensioned areas.
- Ignoring the Environment
Suspending a tarp disregarding the presence of surrounding weather elements such as harsh sun rays or heavy rainfall can result in detrimental outcome. Tarpaulin coverings should be heat resistant as well as engineered UV proof ensuring durability under harsh situations.
With regards to proper technical instructions, an appropriate installation can be accomplished. Also avoiding overlap guaranteeing the edges will be stretched without gashing will allow the tarp to last longer.
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Tips for Ground Swimming Pool Setup
While setting up a ground pool, I try to locate a flat and stable ground, as rough terrain can lead to risk for damage to the structure of the pool. Keeping the area free from sharp objects and rocks aids in better protection of the pool’s liner. Using a ground cloth or tarp under the pool will assist in prolonging the life of the pool as well as provide additional protection. Following the manufacturer’s instructions step-by-step deeply aids in making sure all the pieces are tight and secured. To top it off, I slowly fill the pool with clean water, ensuring everything remains stable and level as it fills.
Maintaining the Tarp Under Your Pool

To maintain the efficiency and prolong the life of the tarp under your pool, periodic maintenance is necessary. You should start by removing leaves, dirt, and small rocks from the perimeter of the pool as well as underneath the tarp. These sharp objects could potentially cause damage. Check the tarp from time to time for tears, rips, or holes, and if any of these are present, ensure they are fixed immediately with appropriate patches or replacements. Keeping the tarp dry when not in use reduces the chances of mold and mildew developing. Greater tarp Regular maintenance will ensure the pool liner is safeguarded, which improves durability.
How to Ensure the Longevity of Your Tarp
I clean my tarp on a regular basis to maintain it, washing with mild soap and water instead of using strong cleaning chemicals, which could damage the material. When not in use, I keep the tarp in a cool, dry place away from sunlight because UV rays weakens the fabric. To minimize further damage, I check for damages regularly, and when found, I ensure small rips are sealed with a tarp repair kit.
Also, proper anchoring during use is important to mitigate wind damage and stress on the material. By taking these measures, I am capable of maximizing the effective lifespan of my tarp.
Preventing Punctures and Tears
In terms of preventing punctures and tears in the tarp, it is imperative that the tarp is handled appropriately and used according to the prevailing conditions. Start by ensuring the tarp is constructed out of strong materials like polyethylene, vinyl, or canvas that have high-denier ratings (e.g. 1000D or higher for heavy-duty uses). When setting it up, do not place it directly over sharp objects or rough surfaces; instead, a protective underlayer should be used if necessary.
Cover the tarp with reinforced grommets and secure it with strong ropes or bungee cords, tightening them to an even level so that strain points that result in damage do not form. For windy conditions, select tarps that are thicker, around 10 oz per square yard, to prevent tearing. The tarp should be cleaned regularly to remove debris that could cause abrasions while ensuring the tarp is in good condition. If any small holes or tears are noticed, cover them with duct tape or, for more professional results, use a repair kit with adhesive patches tailored to the material of the tarp.
Cleaning and Storing Your Pool Tarp
Before cleaning the tarp, I remove all dirt by hosing it down. I then soak the tarp and scrub tough stains with a little soap using a soft-bristle brush. After this, I completely rinse the tarp, ensuring that I remove all soap remains. Once the tarp is clean, I dry it so that there is no chance of mildew forming later. The tarp is then folded neatly and placed into a protective bag before being stored in an area that is cool and avoids sunlight or heat. When storing the tarp, I need to ensure that the soap used does not have a pH lower than 7 or higher than 9 and that I store the tarp in an area with humidity below 50%.
References
- Reddit discussion on ground cloth vs tarp for pools – A community discussion on the pros and cons of using tarps or ground cloths under pools.
- Greatmats: Interlocking Foam and Rubber Under Swimming Pool Mats – Information on rubber mats for pool bases, including their benefits and installation tips.
- AliExpress: Multi Sizes Pool Ground Mat Cover – Details on ground mats for pool protection, including their features and ease of installation.
Frequently Asked Questions (FAQ)
Q: Why should I use a tarp under my pool?
A: Using a tarp under your pool provides a protective layer that helps prevent damage from sharp objects, dirt, and debris. It also enhances the durability of the pool floor by providing cushioning and ensuring ultimate protection from abrasion and sun damage.
Q: What are the best tarps to use under a pool?
A: The best tarps for under a pool are heavy-duty polyethylene tarps with UV resistance and reinforced edges. These tarps are durable and water-resistant, providing excellent ground protection and withstanding various weather conditions.
Q: How do I select the right type of tarp for my pool?
A: Tarp selection should consider the type of pool (Intex, above-ground), the size of the pool area, and the specific ground conditions. Look for tarps that offer UV resistance and are designed to withstand direct sunlight and weather conditions.
Q: What steps should I take before placing the tarp under the pool?
A: Begin by clearing and leveling the pool area to remove any debris or sharp objects. Ensure the ground is clean and dry before placing the tarp to prevent damage to the pool bottom and ensure a stable pool structure.
Q: How can I keep my pool safe using a tarp under it?
A: To keep your pool safe, ensure the tarp is securely in place and covers the entire pool bottom. Stake the tarp to prevent it from moving and regularly check for any rips or damage. This practice provides peace of mind and helps maintain the pool’s integrity.
Q: What mistakes should I avoid when using a tarp under my pool?
A: Avoid using a tarp that is too thin or not designed for outdoor usage, as it might rip easily. Do not neglect proper tarp selection, and ensure the tarp is tailored to fit your pool size. Also, avoid placing the tarp directly on uneven ground without leveling first.
Q: Can I reuse the tarp for multiple pool seasons?
A: Yes, a high-quality, heavy-duty tarp can be reused for multiple seasons if properly maintained. Rinse it off at the end of the season, allow it to dry thoroughly, and store it in a clean, dry place to prevent damage from dirt and debris.
Q: How does using a tarp under my pool help with maintenance?
A: A tarp under your pool helps keep dirt and debris from accumulating beneath the pool, reducing the need for frequent cleaning. It also acts as a durable ground cover, protecting the pool floor from damage and making pool maintenance more manageable.
Q: What additional benefits does a tarp offer for an above-ground pool?
A: For an above-ground pool, a tarp provides a way to protect the pool structure by cushioning the pool bottom, preventing direct contact with the ground, and reducing the risk of punctures or tears from sharp objects.