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Cotton Canvas vs Polyester Canvas — Which to Choose?
Cotton canvas breathes, takes a traditional look and a natural finish, and is repairable, but it is heavier wet, needs proofing against rot and water, and has a shorter outdoor life under UV. Polyester and PVC-coated canvas are lighter, waterproof as supplied, and last longer outdoors, but they do not breathe, can crack cold, and are harder to recycle. The choice is set by the end use and the customer's material spec.
| Cotton canvas | Polyester / PVC canvas | |
|---|---|---|
| Breathability | Yes | No |
| Water resistance | Needs a finish; not fully waterproof | Waterproof as supplied (coated) |
| Outdoor life (UV) | Shorter | Longer |
| Look and repair | Natural, patina, repairable | Technical, hard to repair invisibly |
| End of life | Cotton is biodegradable | Coated synthetics hard to recycle |
Choose Cotton canvas
Breathability, a natural look, indoor or short-outdoor use, or a spec that calls for cotton.
Choose Polyester / PVC canvas
Full waterproofing as supplied, minimum weight, and long outdoor UV exposure.
Common questions
Can cotton canvas be made properly waterproof?
It can be made highly water-resistant with a wax, paraffin or fluorocarbon-free DWR finish, and effectively waterproof with a PU or PVC coating through our partners — at which point it stops breathing, like a synthetic. Untreated cotton is only water-shedding once the yarns swell.
What about a cotton-poly blend canvas?
A 65/35 or 50/50 cotton-poly canvas keeps most of cotton's look and hand while adding tear strength and faster drying. It is a common middle path for bags and light covers; we weave it to spec.
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Where this choice comes up
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Not sure which fits your spec? Send us the end use and we will recommend one.