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Frequently Asked Questions
What is vinyl tarpaulin made of?
A woven polyester scrim coated with PVC.
The polyester carries the strength.
The PVC provides a waterproof, abrasion-resistant surface.
That combination makes it the heavy-duty material in this family.
It is specified where a tarp must last years rather than months.
Permanent covers and industrial curtains are typical uses.
What does it resist?
Abrasion, tearing, oil, grease, mildew and ultraviolet degradation.
It outperforms polyethylene on all of them.
It does not rot like canvas does.
That makes it suitable for repeated handling over years.
Machinery protection and permanent covers suit it well.
Durability is what the higher price is buying.
How heavy is it?
Heavy enough to be a genuine constraint on large sizes.
A large vinyl tarp is difficult to handle alone.
That affects how it is installed and who can manage it.
Weight is worth checking against the intended use.
Discovering it on delivery is the common mistake.
Lighter grades exist where full heavy-duty performance is not needed.
Can it be repaired?
Yes - it can be welded or patched to give a permanent waterproof repair.
No other tarp material matches that.
A torn vinyl tarp is usually repaired rather than replaced.
That materially changes the whole-life cost.
Cheaper materials generally have to be thrown away.
Repair kits and adhesives are readily available for field repairs.
Are flame-retardant grades available?
Widely, and they are frequently required rather than optional.
Industrial curtains and temporary enclosures commonly need certified performance.
Workplace use often carries a specific requirement.
Certification is a specification rather than a description.
Test certificates referencing the applicable standard are the evidence.
Which standard applies differs between markets and sectors.
Does cold weather affect it?
PVC stiffens as temperature falls and can crack if handled while very cold.
Folding a cold vinyl tarp can damage the coating.
Cold-crack rating is the specification that covers it.
It matters for anything used or stored outdoors in winter.
Grades intended for cold climates are available.
Letting a tarp warm before folding avoids the problem where the grade is marginal.
How are the seams made?
Usually welded rather than stitched, which keeps them waterproof.
Stitching creates holes through the coating.
Welded seams are continuous and as strong as the material.
That matters on anything holding water or weather out.
Reinforcement at eyelets and edges is standard on quality products.
Seam construction is worth checking as much as the material weight.