Whenever you need temporary coverage or waterproof protection, tarps are a handy solution. But with canvas and plastic being the two most common tarp materials, which is a better choice? This article will provide a thorough breakdown of the key differences between Canvas Tarpaulin vs plastic tarps so you can decide which material fits your specific applications and budget.
What are Canvas Tarps and Plastic Tarps?
Canvas tarps are constructed from heavy-duty polyester or cotton fabrics that provide durable, flexible coverage. The canvas material gives these tarps a coarse, natural feel. Plastic tarps are made from lightweight polyethylene or polyvinyl chloride (PVC) plastics. These synthetic fabrics result in a smooth, glossy surface.
Canvas Tarps
Canvas tarps derive their name from the sturdy cotton or polyester fabric used in their manufacture. The canvas material has a long history of use in sails, tents, and other protective covers due to its flexibility and resistance to wear and tear. The tightly woven threads of natural or synthetic fibers give canvas its characteristic coarse texture suitable for withstanding exposure to weather.
Plastic Tarps
Plastic tarps are composed of polyethylene (PE) or polyvinyl chloride (PVC) resin sheets formed into strong, yet lightweight coverings. Polyethylene is a common plastic polymer known for its flexibility, clarity, and chemical resistance. It can withstand weathering better than many other plastics. Polyvinyl chloride (PVC) tarps are also quite durable and provide mildew resistance, though some argue they are less environmentally friendly than PE tarps.
Main Uses of Canvas Tarps vs Plastic Tarps
This section explores the most common applications of canvas tarps compared to plastic tarps and which material may be better suited for different scenarios. Overall usage will depend on factors like intended duration, required water resistance, breathability needs, and rigidity vs flexibility preferences.
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Vehicle/Boat Covering
Canvas tarps are often the top choice for long-term outdoor covering of vehicles, boats, and equipment. Their porosity allows moisture to breathe away from the covered object rather than being trapped. This prevents mold and mildew issues compared to non-breathable plastic. Canvas also stands up well to flapping in the wind. However, plastic may be fine for occasional or short-term vehicle covering uses that don't require breathability.
Outdoor Storage and Equipment Protection
For longer-term outdoor storage of items, equipment, firewood, or other materials, canvas tarps offer breathability to prevent trapped moisture issues. But plastic is a good budget-friendly option for short to medium-term uses, thanks to its low cost and resistance to deterioration from UV rays and weather.
Picnics, Gardening, DIY Projects
More portable, lightweight uses lend themselves to plastic simply due to its packability and low cost. However, for applications where the Plastic Tarpaulin will be on the ground against plants or food, a breathable natural canvas may be preferred to avoid trapping dampness.
Temporary Roofing
Plastic tarps are generally the go-to material for temporary roof repairs after storm damage or construction work. Their seamless surfaces better prevent water intrusion, and won't absorb water like natural fabrics. Plastic stands up to rain, snow, and sun exposure without breaking down as quickly as other materials. Though less breathable, this may not matter as much for non-permanent roofing uses.
