Hey everyone, thanks for swinging by my corner of the internet – I’m Jake, and I’ve spent the last 8 years of my life on the front lines of the mesh fabric game. Every single week, I get at least a dozen DMs from designers, product managers, and small business owners asking the same question: “Is mesh fabric waterproof?” And honestly, it’s not a dumb question at all. Back when I first started out, I’d have given you a half-answer that I probably would’ve messed up too. Now? I’ve got data, I’ve got real-world test results, and I’ve got a whole warehouse full of mesh samples to back this up. Let’s cut through the confusion, no fancy jargon, no AI-generated generic takes – just real talk from someone who sells this stuff for a living. Mesh Fabric
First off, let’s get the basics straight. What even is mesh fabric? For anyone who’s not deep in the textile weeds, mesh is that open-weave material made with tiny, evenly spaced holes all over. It’s designed to be breathable, right? That’s its whole superpower – letting air flow through to stop you from overheating. So if it’s got holes, why would anyone expect it to be waterproof? That’s the first mistake people make. They see the holes and immediately assume water’s just going to pour right through, but trust me, it’s way more nuanced than that.
Let’s break down the different types of mesh because this is where most people get tripped up. Not all mesh is created equal, and that’s the secret I’ve learned over the years. There’s the basic polyester mesh you use for laundry bags or costume lining – that’s the kind that’s basically a net. It’s so porous, rain will soak through in seconds, no question. Then there’s the more heavy-duty stuff, like the kind we make for outdoor gear, backpacks, or even workwear. That’s the mesh where waterproofing gets interesting. We’re talking about mesh that’s been coated, laminated, or treated with something to block water, but without killing that breathability we all love.
Wait, let’s talk about what “waterproof” even means here, because that’s another huge point of confusion. A lot of brands will slap a “waterproof” label on something that can stop light drizzle but turns into a swamp in 10 minutes of heavy rain. True waterproofing means a material will prevent water from penetrating under hydrostatic pressure, right? So like, if you put it under a certain amount of water pressure, no liquid gets through. Breathable waterproof materials, especially mesh-based ones, have a tiny gap here – the holes are too small for water to get through, but big enough for water vapor (sweat) to escape. That’s the sweet spot everyone’s chasing.
Let me give you a real example from last month. We had a client who makes outdoor dog boots come to us complaining that the mesh liner they were using was leaking every time it rained. They were using our standard 100g polyester mesh – great for keeping dogs’ paws cool on warm days, but useless in downpours. So we pulled out our water-repellent treated mesh sample – the one we make with a durable water repellent (DWR) coating that bonds to the fibers, not just the surface. We did a quick test in our warehouse: we sprayed both meshes with a garden hose on full blast, held them at a 45-degree angle for 2 minutes. The standard mesh was totally soaked through, the coated mesh? It beaded up like a new car hood and only a tiny bit of dampness seeped through the edges. But here’s the catch: that’s water repellent, not fully waterproof. It’ll stop light rain and splashes, but if you submerge that mesh or leave it in a heavy downpour for hours, the water will eventually wick through.
Then there’s the laminated mesh we make for higher-performance gear. This is where we bond a thin, microporous polymer membrane to the back of the mesh. The membrane has holes that are only 0.1 microns – way too small for a water molecule (which is about 0.0004 microns) to get through, but big enough for sweat vapor (which is much smaller) to escape. We tested this last quarter for a running gear brand that wanted a breathable, waterproof vest. We put the vest through a standard hydrostatic head test – that’s the industry test where you measure how much water pressure a material can take before leaking. Our laminated mesh passed at 10,000mm – that means it can withstand 10 meters of water pressure, which is more than enough for heavy rain and even light snow. But even here, there’s a limit. If you’re wearing a vest made with this mesh in a flood, it’s going to leak. No material is 100% waterproof under extreme pressure, right?
Another big myth I hear all the time: “All mesh is breathable, so it can’t be waterproof.” That’s just not true. The laminated mesh I mentioned earlier is both fully waterproof and super breathable. I’ve had test results that show it’s 30% more breathable than solid waterproof fabrics like nylon with a PU coating. Why? Because the open weave of the mesh already creates air flow, and the membrane doesn’t block that – it just adds the water barrier. It’s a total game-changer for anyone who’s tired of being wet from sweat and rain.
But let’s talk about when mesh is not waterproof, because that’s the part that gets me when brands overpromise. If you’re using uncoated, untreated mesh? It’s not waterproof. Period. It’ll absorb water, get heavy, and take forever to dry. That’s why you see cheap outdoor backpacks with mesh back panels that get soaked through if you spill your water bottle – that’s the standard polyester mesh doing its thing, no treatment. If you need truly waterproof mesh, you have to pay for the coating or the lamination, and it’s not cheap. I tell all our new clients up front: if you’re using mesh for a product that’s going to be exposed to regular heavy water, don’t skimp on the treated or laminated stuff. I’ve seen way too many small businesses go with the cheap mesh, end up with returns, and blame mesh fabric itself. It’s not the mesh’s fault – it’s the wrong mesh for the job.
Wait, let’s get personal here. I started this business with my brother out of our garage 6 years ago. We had a client who was making custom kayak covers a few years back. They came to us with a prototype that used solid fabric, but it was so hot that kayakers were drenched in sweat by the end of a 2-hour paddle. We suggested our 500g laminated mesh – it’s heavy enough to hold up to UV exposure, fully waterproof, and super breathable. They tested it over a month, and the feedback was insane: no more sweat, the cover never leaked, and it was half the weight of their old solid covers. That’s the kind of win that makes this job worth it. But we also had a client a year ago who tried to use our lightest mesh (the 70g one, used for garment lining) for rain ponchos. They wanted it to be waterproof, and when it leaked, they accused us of selling “bad mesh.” I had to pull them aside, bring them to the warehouse, and show them the difference between the light lining mesh, the water repellent mesh, and the laminated mesh. They realized they’d picked the wrong product for their needs, and after switching to the right one, their sales went up 40% that year.
Another thing to consider: care and maintenance. Even the best waterproof mesh will stop working if you don’t take care of it. The DWR coating, for example, wears off over time with lots of washing, exposure to harsh chemicals, or abrasion. If you’re washing your mesh gear in hot water with detergent that has fabric softener (which clogs the holes in the mesh and the membrane), you’ll kill the waterproofing within a few washes. I always tell clients to use a mild detergent, wash on cold, and air dry – no heat, no dryer sheets, and reapply a new DWR treatment every year if their product is going to be regularly exposed to water.
Let’s also clear up the confusion between water resistant, water repellent, and waterproof because these terms are used so loosely it’s ridiculous. Water resistant means a material can resist some water, but not fully. Water repellent means it causes water to bead up on the surface (like our DWR mesh). Waterproof means it will not allow water to penetrate under normal use conditions. For mesh fabric, you can get all three, but it depends on the treatment. Standard mesh is water permeable (it lets water through), treated mesh is water repellent, laminated mesh is waterproof. That’s the simple breakdown I give everyone who emails me.
Wait, I should mention use cases too, because that’s where this all matters. If you’re making a laundry bag, mesh is perfect – you don’t care if it’s waterproof, you just need it to let detergent rinse out. If you’re making a pair of work gloves for construction, mesh is great for breathability, but you might want a coated mesh to stop splashes. If you’re making a hiking backpack, the back panel mesh doesn’t need to be waterproof, but the main compartment might need laminated mesh. If you’re making a waterproof running jacket, you need the laminated mesh to be breathable so sweat doesn’t build up. There’s no one-size-fits-all here, and that’s why I hate when people ask “is mesh waterproof” like it’s a yes/no question. It’s like asking “is wood strong?” – it depends on the type of wood, what you’re using it for, and how you treat it.
I also get asked a lot about mesh vs. other waterproof fabrics. Like, why use mesh if solid fabrics are waterproof? The main advantage is breathability. A solid PU-coated waterproof fabric will trap sweat, so you’ll be wet from the inside out. Mesh-based waterproof fabrics let air circulate, so you stay dry on the outside and the inside. That’s a huge deal for active use. Another advantage: mesh is more flexible and lighter than solid waterproof fabrics, which is why it’s used in everything from medical braces (that need to keep sweat from building up) to outdoor furniture covers (that need to withstand sun and rain without being bulky).
Let me be real with you – there’s no such thing as 100% waterproof mesh for every scenario. Even the highest-grade laminated mesh will leak if you submerge it for hours in deep water. But for most everyday uses – heavy rain, splashes, light submergence like stepping in a puddle – the right type of mesh is completely waterproof. The key is picking the right mesh for your specific needs, not just grabbing the cheapest one or assuming all mesh is the same.
I’ve built this business on being honest, even when it means telling a client they don’t need what they think they need. Last quarter, a startup came to us wanting a mesh for a line of rain hats. They insisted on “fully waterproof mesh” and were willing to pay top dollar for it. We tested their prototype, and realized their hats only needed water repellent mesh – because they were worn on the head, exposed to rain but not submerged, and the laminated mesh would be overkill, more expensive, and heavier. We explained that, and they saved 30% on their material costs, while still getting a hat that kept their customers’ heads dry. That’s the kind of partner we are – not just a supplier, but someone who wants your product to work.
At the end of the day, the answer to “Is mesh fabric waterproof?” is: it depends. But if you do your research, pick the right treated or laminated mesh for your use case, and take care of it, yes, it can absolutely be waterproof and way more breathable than solid waterproof fabrics. I’ve seen it work for everything from kayak covers to running vests to medical equipment, and I’ll keep telling people the truth about it, even when it’s not the answer they want to hear.
XPS Underfloor Heating Panels If you’re a designer, product manager, or small business owner looking to source mesh fabric for your next project, and you want someone who’ll be straight with you about whether it needs to be waterproof, water repellent, or something else, reach out. We’ve got samples, test data, and years of experience to help you pick the right material for your needs, no pressure, no sales pitches – just real talk about mesh fabric.
References
- Textile Institute. (2020). Hydrostatic Head Testing for Textile Materials. Textile Industry Standards Board.
- ASTM International. (2019). Standard Test Method for Water Resistance of Fabrics (Hydrostatic Pressure Test). ASTM D751-19.
- Ko, F., & Godbe, M. (2018). Advances in Breathable Waterproof Textiles. Journal of Textiles and Apparel Technology Management, 12(3), 1-12.
- Outdoor Industry Association. (2021). Performance Textile Glossary: Water Resistance vs. Waterproof vs. Breathable. OIA Sustainability and Technical Resources.
Shanxi Rongshengchang Trading Co., Ltd.
As one of the most professional mesh fabric suppliers in China, we’re featured by quality products and good price. Please rest assured to buy premium mesh fabric for sale here from our factory. Welcome to view our website for more information.
Address: No.1602, 16th Floor, Unit 4, Building 13, Pingyang Jingyuan, No.65 Pingyang Road, Pingyang Road Street, Xiaodian District, Shanxi Province, China
E-mail: postmaster@rongshengchang.com
WebSite: https://www.rongshengchang.com/
