Tarps see applications in various industries like construction, landscaping, event planning, boating, agriculture, and more. They are effective at blocking sunlight, rain, snow, and other elements when properly selected and installed for the intended usage conditions. This makes them vital for temporary coverage of materials on job sites or long-term outdoor storage of valuable items.
Tarpaulin Material Types
There are a few main material types used for tarps. Each has its unique characteristics that make it suitable for different applications. Carefully considering these properties will help you select the ideal material.
Polyethylene
Polyethylene provides medium durability and tear resistance suitable for general use. At only 1-2 ounces per square yard, polyethylene Tarpaulin is very lightweight. The material is waterproof yet breathable, allowing moisture to escape from underneath. While more UV resistant than other plastics, polyethylene is not as durable against sun damage as other tarp materials over extended exposure.
Polyester
Polyester retains its strength even after years of UV exposure, offering high puncture and tear resistance. Heavier at 3-5 ounces per square yard but more durable. Less breathable than polyethylene due to its tighter weave. Polyester maintains integrity for many years of sunlight without degradation. More expensive initially than polyethylene but cost-effective over the life of the tarp.
Vinyl
Offers outstanding puncture, tear, and abrasion resistance. At 5-10+ ounces, Clear Tarpaulin is very stiff and heavy. Being non-porous, vinyl does not breathe at all. Capable of withstanding intermittent high heat such as welding sparks. Unaffected by oil, acids, and other corrosive substances.
Choosing the Right Tarpaulin Material
There are several important factors to consider when selecting the ideal tarpaulin material for your specific application. Careful evaluation of these criteria will help ensure you choose a material suited for long-lasting and reliable performance.
Weight and Thickness
The weight and thickness requirements will depend on what the tarp will be covering or protecting. A heavy-duty tarp may be needed if withstanding high point loads from storage of machinery or building materials. In general, thicker materials are more puncture and tear-resistant but come at an increased weight.
Budget
While more durable options like polyester or vinyl tend to have a higher initial price tag than polyethylene, they are often more cost-effective over the lifetime of the tarp. Consider both the material and installation costs as well as the replacement frequency needed to determine the true “cost of ownership”.
Flexibility
Some uses require a flexible material while others do not. For example, a rigid vinyl could rip if used as a boat cover but is well-suited for industrial safety applications. Materials like polyester provide strength while still allowing for some flexibility.
Environmental Exposures
Chemical or heat exposures may necessitate a more specialist material like vinyl with its corrosion and heat resistance. Similarly, applications with prolonged UV exposure benefit from polyester’s strength retention under sunlight.
Tarpaulin Installation Tips
Proper installation is essential to ensure your tarpaulin performs as intended over the long term. Following best practices during setup will help it withstand weathering and protect the intended area.
Surface Preparation
Before installing the tarp, inspect and clean the area it will cover. Remove any debris, and fill in holes or cracks if needed. A level surface prevents water pockets and reduces strain on the tarp material.
Anchor Points
Secure the edges of the tarpaulin so it cannot flap or shift in windy conditions. Options include stakes for the ground, weights for flat surfaces, or tie-down ropes/straps anchored around a solid structure. Placement every few feet is recommended.
Seams and Connections
Seal any seams in the tarp material, such as where pieces are joined, using the appropriate method for that product – tape, sealant, etc. This waterproofs the seam and prevents leakage. Snap or buckle connectors at corners simplify installation and removal.
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Maintenance and Storage
With proper care and storage, your tarpaulin investment can provide years of reliable service. Here are some tips:
Cleaning
Hose down with water and let dry completely before folding. Some scrubbing may be needed for tough dirt. Wipe down with soap and water only, as abrasive cleaners or solvents can degrade the material over time.
Drying
Ensure the tarp is fully dry before storage to prevent mold growth, especially if stored for winter. Allow to air dry away from direct sunlight, which can further damage materials like polyethylene.
Inspections
Check the tarpaulin periodically for wear, tears, or damage. Catching issues early allows for inexpensive repairs versus needing to replace the entire tarp down the road.
Repairs
Small cuts or holes can be patched using sealant and a strong fabric for the tarp material. Larger rips may warrant a full tarp replacement sooner.
Storage
Fold the tarpaulin neatly and store it in a cool, dry location away from direct heat or sunlight. Rolling can cause kinks in the material over time. Placing cedar planks between folds prevents mildew growth.
Replacement
As a general guideline, expect to replace polyethylene tarps every 1-3 years and polyester every 5-10 years depending on usage and weather conditions. Monitor for signs of excessive wear like dry-rotting.