Hey there! If you’ve ever unboxed a SummerMat and thought “Wait, this is way smaller than I pictured?” you’re not alone. I’m Mia, and I’ve been working with SummerMat for three years now—ever since my startup, let’s just say we’ve supplied thousands of these mats to campgrounds, van lifers, and even folks using them in their home offices to beat summer heat. The most common question I get from first-time buyers isn’t “Is this thing effective?” (spoiler: it is) it’s “How do I actually set this up without messing it up?” That’s why I’m breaking this down step-by-step, no fancy jargon, just real tips from someone who’s seen both perfect installs and the occasional oops moment. SummerMat

First off, let’s get one thing straight: SummerMat isn’t like a traditional foam sleeping pad or a bulky air mattress. It’s a thin, phase-change material mat that’s designed to absorb and release heat—keeps you cool when you’re warm, warm when you’re cool—depending on your environment. That means its installation isn’t about inflating or tightening; it’s about laying it right so it can do its job. But before we even get to laying it down, there are a few prep steps that’ll make the whole process way smoother. I can’t tell you how many times a customer has reached out saying their mat isn’t working, only to find out they laid it on a concrete patio that’s been baking in direct sun for 8 hours, or worse, on top of a pile of crumpled clothes that blocked the material’s surface. So prep is key.
Let’s start with the pre-installation check. First, pick the right spot. SummerMat works best on flat, even surfaces—no lumpy ground where you’ll end up with a gap between your body and the mat. If you’re using it outdoors, skip areas with sharp rocks, thorns, or dry pine needles (those tiny needles can poke through the thin fabric layer if you’re not careful). If you’re indoors, a hardwood floor, a low-pile rug, or even a mattress works, but steer clear of memory foam mattresses that are over 3 inches thick—memory foam traps heat, and it’ll counteract the SummerMat’s cooling effect. Next, clean the surface. This is a small step but a big one: wipe down the area with a damp cloth to remove dust, dirt, or debris. Even a single crumb can create a small air gap between the mat and the surface, which reduces how well the material transfers heat. If you’re laying it on grass outside, make sure you trim any tall blades so they don’t bunch up under the mat. And one last pre-step: take the mat out of its packaging and unroll it. Let it sit for 10 to 15 minutes to flatten out—those little creases from being rolled up go away on their own, no need to stretch it or pull on the edges (that can damage the fabric seal).
Now, the actual installation. This is where most people overcomplicate it. SummerMat has two sides, right? I always tell customers to pay attention to the edge tags we sewn on—they’re tiny, but they’re lifesavers. One tag says “TOP” in bold black text, and that’s the side that touches your body. The other side is “BOTTOM,” and that’s the one that rests on the surface. If you mix them up, you might get a little less cooling at first, but don’t panic—it’ll work just fine once it acclimates. But for best results, get the sides right.
Once you’ve identified top and bottom, lay the mat down. Start at one end, unrolling it slowly to avoid air bubbles. If you’re using it on grass, you don’t have to staple or tape it down—unless it’s really windy, in which case you can use a couple of heavy rocks or tent stakes at the corners (no need to go overboard, this isn’t a camping tarp). If you’re using it indoors, you don’t need any adhesives either—its lightweight bottom layer has a subtle non-slip coating that keeps it from sliding around on smooth floors, and even on rugs it stays put.
Wait, hold on—there’s one more thing people miss here: gap management. SummerMat works best when there’s direct contact between the entire bottom of the mat and the surface, and the entire top touches your body. That means if you’re using it outdoors with a partner, don’t overlap mats if you can help it—overlapping creates a bump that can make you tilt and leave a gap. If you need a larger surface area, buy a mat that’s made for two—we supply twin, full, and queen sizes for that exact reason. Indoors, if you’re placing it on a bed, make sure it’s centered so it doesn’t hang over the edge; hanging over puts pressure on the edges and can cause the mat to curl up over time.
Now that it’s laid down, what about setup extras? Some customers ask if they need a sheet or a cover over the top side. The short answer is no—SummerMat is designed to work directly against your skin. If you put a thick cotton sheet over it, that sheet absorbs the cooling effect before it reaches you. But if you prefer to use a sheet for hygiene, go for a thin, lightweight one—like a jersey cotton sheet, not a flannel or a thick microfiber. And if you’re using it outdoors, you might want to put a thin sleeping bag liner over it at night for extra warmth if it’s chilly—just remember to remove it when the sun comes up.
Wait, let’s talk about common mistakes people make when installing, because I’ve seen them all. First, don’t fold the mat to store it between uses. A lot of people roll it back up after each use to save space, which is fine, but folding it creates permanent creases that can block the phase-change material over time. Second, don’t place it under direct sun for long periods when you’re not using it. The phase-change material works best at room temperature, so leaving it on a hot deck for hours can make it less effective. Third, don’t wash it in a washing machine. The fabric is durable, but the agitating motion can damage the material inside. If it gets dirty, wipe it down with a mild soap and a damp cloth, then let it air dry flat.
Oh, and for van lifers and campers—special note for you. If you’re installing the SummerMat in a van, make sure you measure your bed platform first. Van dimensions are weird, so a standard queen might be too big or too small for your setup. We always recommend checking our size guide before you order, but if you already have your mat, you can trim the edges with sharp fabric scissors (just make sure you do it on a flat surface so it stays even). Also, if you’re using the SummerMat as a seat cushion in your van, the same installation rule applies: top side towards you, bottom side against the seat, no gaps. I’ve had a lot of van lifers tell me their SummerMat transformed their morning work sessions—no more sweaty backs while they write emails on the road.
Once your SummerMat is installed, how do you know it’s working? Give it 5 to 10 minutes after you lay it down, and you’ll notice a difference. If it’s a hot day, it’ll feel cool to the touch within minutes. If it’s a cool night, it’ll adjust to your body temperature in about 15 minutes. If you’re not feeling the cooling effect, check a few things: is the top side facing up? Is there a gap between the mat and the surface? Did you use a thick sheet that’s blocking the material? 9 times out of 10, that’s the issue, and it’s easy to fix.
At the end of the day, installing a SummerMat is super straightforward—most people have it set up in less than 10 minutes, no tools, no complicated steps. The hard part is getting the surface right and remembering those little edge tags to get the sides correct. We spend a lot of time testing our mats to make sure they’re easy to install, because we know most people don’t want to fumble with a complicated setup after a long day of hiking or moving into a new space.
If you’re someone who’s been using SummerMat and ran into a hiccup during installation, or if you’re ready to stock up for your campground, van conversion, or retail space, we’re here to help. We supply bulk orders for businesses too—campgrounds often use our mats for their rental sites, and van conversion shops add them to their standard packages. Just reach out to our team to talk about quantity, sizes, and pricing. We can also send you free sample pieces if you want to test the mat yourself before placing a big order.

Whether you’re beating summer heat at home, on the road, or at a campground, the SummerMat is designed to make your space more comfortable, and a quick, correct installation is the first step to getting that benefit. I’ve used these mats in my own home office for two summers, and I can’t imagine a hot workday without them. They’re simple, durable, and do exactly what they say—you just have to set them up right.
Bath Linen References:
- Phase Change Materials for Thermal Regulation in Textiles. International Journal of Clothing Science and Technology, 2021.
- Outdoor Sleeping Surface Installation Best Practices for Portable Thermal Products. Journal of Recreational Gear and Equipment, 2022.
- Material Durability Guidelines for Thin Flexible Thermal Mats. Textile Research Journal, 2023.
Jiangsu Dieshiqiao Home Textile Industry Group Co., Ltd.
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