What Are The Best Outdoor Rugs for Screened Porches & Decks in Chapel Hill

On a screened porch here, the rug that lasts is a flat-woven or low-loop synthetic, polypropylene or polyester, with its color dyed into the fiber. It sheds water, dries the same afternoon and keeps its color through a summer. On an open deck the same rug works with one condition: nothing rubber or latex underneath, so the boards can dry too.

Jute, sisal, cotton and wool rugs belong indoors. Our summers keep them damp long enough to brown, mildew or rot, even under a porch roof.

Outdoor Rug Materials Compared

An outdoor rug’s material settles most of what it can survive here. Polypropylene is the outdoor standard, and polyester and recycled PET are the softer alternative. Jute, sisal, cotton and wool are indoor rugs, because they hold water long enough to brown or mildew in our humidity.

Polypropylene (Olefin)

Polypropylene, also called olefin, is the same fiber used in much of the indoor-outdoor carpet sold today, and it’s the safest choice for a porch or deck here. The American Fiber Manufacturers Association lists it as quick drying, sunlight resistant and resistant to mildew, rot and weather. It barely absorbs water, so a rain shower runs through it and off, and there’s little in the fiber itself for mildew to feed on.

Its one real weakness is heat, so keep it away from a grill, a fire pit and hot embers, and never iron it. It can also flatten under furniture legs, and it feels firmer underfoot than an indoor rug. Most outdoor polypropylene is solution-dyed, which is why its color holds up so well in the sun.

Polyester and Recycled PET

Polyester outdoor rugs feel softer than polypropylene and hold bright color well. Many are made from PET, the same plastic as soft drink bottles, recycled into fiber. Polyester dries quickly and resists mildew, so it does well on a covered porch where you’ll sit barefoot.

The trade-off is that a polyester rug can crush under heavy furniture and may hold a little more water in a plush weave. Choose a flat or low weave, and it’s a comfortable, practical porch rug.

Jute, Sisal, Cotton and Wool on a Porch

Jute, sisal, cotton and wool are lovely indoor rugs, but they don’t hold up outdoors here, even on a screened porch. Jute, sisal and seagrass soak up water and dry slowly, and plant fibers that dry slowly turn brown. Cotton mildews, and wool felts and mildews when it stays damp. A screened porch keeps off the rain, but in July the air on it is as humid as the air outside.

You may read that a natural-fiber rug protects a wood deck by soaking up the water. It works the other way: a wet rug holds that water against the boards. If you love the look of jute, choose a polypropylene or polyester rug woven to look like it. From a few feet away, you’ll hardly see the difference.

Why Solution-Dyed Color Holds Up in the Sun

A solution-dyed rug gets its color before the fiber is spun: the pigment goes into the melted plastic, so the color runs all the way through each strand instead of sitting on its surface. That’s why it resists fading in the sun and doesn’t lose its color to bleach the way a surface-dyed or printed rug does.

To tell what you’re buying, look on the label for “solution-dyed” and “UV-stabilized” or “UV-resistant.” A printed pattern, stamped onto the surface of the rug, fades faster in full sun. Even a solution-dyed rug lightens over several seasons in direct sun, and a screened porch gets more sun in winter than you’d think, when the low sun reaches under the roof.

Weaves That Dry Fast in a Humid Summer

A flat weave dries fastest of any outdoor rug, because there’s no deep pile to hold water and air reaches both sides. Many flat-weaves are reversible, so you can flip them to share the wear and the sun. Low loop and braided rugs dry well too, while a plush pile holds water for hours, which on a humid porch means days.

Look at the back as well as the face. Many rugs made for indoors are tufted, with the tufts held in by a glued latex backing, and that backing holds water against the floor and breaks down when it stays wet. A rug labeled for outdoor use is built without it. Check the edges too: a synthetic binding or serged edge holds up, while a cotton binding mildews on a wet porch.

Screened Porch, Covered Porch or Open Deck

Whether the rug sits on a screened porch, a covered porch or an open deck, the surface under it matters more the more rain and sun the spot gets. A screened porch is the easiest place for an outdoor rug, a covered open porch is close behind, and an open deck takes the most care.

On a Screened or Covered Porch

A screened porch keeps out most of the rain, but not the humidity, the blowing rain of a summer thunderstorm, or the fine pollen that passes right through the screens. Because the rug stays drier there, it can fill more of the floor. Still leave a band of bare floor, about a foot to a foot and a half, along the screen walls, so blowing rain has somewhere to drain and you can sweep.

On a covered open porch, keep the rug inside the drip line, the line where rain falls off the roof edge. After a storm that soaks the edge of the rug, lift it or fold it back so the floor under it can dry.

On a Wood or Composite Deck

A rug on a deck traps rain and dew against the boards. On wood, that damp spot can mildew, stain and soften the boards under it over a season. On composite, the bigger risk is the backing: Trex’s decking care guide warns that additives in rubber and vinyl mats can migrate into some of its decking and discolor it. The same guide recommends cleaning a deck in spring and fall, because pollen and debris left on it support mold.

On either kind of deck, use a flat-woven rug with no rubber or latex backing, and put an open-grid outdoor pad under it or nothing at all. Lift the rug after a heavy rain, sweep the leaves and pollen out from under it, and never lay it on a deck that’s still wet. On a lakeside deck that catches the wind, set furniture legs on the corners.

On Concrete, Stone or a Painted Porch Floor

Concrete and stone handle a rug well as long as water can drain from under it. Moisture trapped under a rug can leave a dark patch on concrete, or a white, chalky bloom of minerals the water carried to the surface, which brushes off with a stiff brush once the concrete is dry.

On a painted porch floor, trapped moisture can lift the paint, so a breathable outdoor pad, or no pad, matters even more there. On a pool deck, choose a rug that drains and dries fast, keep it well back from the water’s edge, and rinse off chlorine and sunscreen now and then.

Does an Outdoor Rug Need a Pad?

Yes, usually, on a smooth floor where the rug slides, as long as the pad is made for outdoors. An outdoor pad is an open grid that lets water through and air under the rug. Indoor felt and rubber pads hold water and break down outside, so they don’t belong on a porch.

On a rough wood deck, a pad matters less for grip and more for airflow, because it lifts the rug enough for the boards to dry. We sell an outdoor rug pad alongside our indoor pads.

Sizing a Porch Rug, Including Odd Sizes

Size a porch rug to the furniture, with at least the front legs of every chair and the sofa on it, and leave a band of floor around the edge. Measure the seating area, not the whole porch, and then check the stock sizes: 5 by 8, 8 by 10 and 9 by 12 cover most seating groups.

Plenty of porches don’t fit a stock size, especially long, narrow screened porches and decks that wrap around a corner. For those, indoor-outdoor carpet cut and bound to the exact size is the answer. We bind carpet into rugs of any size, and indoor-outdoor carpet is among the carpets we turn into custom rugs.

For a porch, the carpet should be a solution-dyed synthetic made for indoor-outdoor use, without a latex back, and the edge should be bound with a synthetic tape, since cotton binding mildews. Measure the floor where the rug will sit, note where the furniture goes, and add what the floor is made of.

Cleaning Pollen, Leaves and Mildew Off an Outdoor Rug

To clean pollen, leaves and mildew off an outdoor rug, get the dry dirt off first and use water second. Here that means a rinse after the pollen season that runs from March into May, a sweep after the leaves come down in fall, and attention to mildew in a wet late summer.

The Spring Pollen Rinse

The yellow pollen film that coats everything in April comes off an outdoor rug with a shake, a rinse and a little soap. Wait until the heaviest weeks of pollen have passed, or you’ll be doing it every few days.

1. Shake the rug out, or vacuum it on both sides, to get the dry pollen and dirt off before any water touches it.
2. Hose it from the top so the water carries the film down and off.
3. Mix a little mild dish soap in a bucket of cool water and scrub with a soft brush.
4. Rinse until the water runs clear.
5. Dry it with air reaching both sides, and sweep the floor under it while it’s up.

A pressure washer can do the rinse on a sturdy flat-weave if you use the widest fan tip and low pressure and keep the nozzle well back. Don’t use one on a loose weave or a printed rug, and never use hot water on polypropylene.

Getting Mildew Out

Mildew grows on a synthetic rug because of what’s on it, not what it’s made of. A film of soil, pollen and leaf bits holds moisture and feeds the spores, so a rug that’s cleaned in spring and fall rarely gets mildew at all.

1. Brush off what you can while the rug is dry.
2. Wash it with mild soap and a soft brush, then rinse.
3. For spots that remain on a solution-dyed polypropylene rug, use a diluted bleach solution. Polypropylene isn’t harmed by bleach, but test it on a corner first, use no more than 1 cup of bleach in a gallon of water, and rinse thoroughly.
4. Dry it completely before it goes back down.

Don’t use bleach on polyester or on a printed rug, since most fibers lose color to it; stick with soap and repeat. The CDC’s warning applies to every bleach job: never mix bleach with ammonia or any other cleaner, because the combination gives off toxic fumes. If black spots remain after two rounds, or the rug still smells musty when it’s dry, mildew has worked deep into it, and it’s time for a new rug.

Drying It in Our Humidity

In our humidity, an outdoor rug dries only with air on both sides. Drape it over a railing, a pair of sawhorses or a clothesline, and flip it halfway through. Pick a breezy afternoon, not a muggy morning, and expect late summer, our wettest stretch of the year, to take a couple of days.

Never put a rug back down damp, on the porch or in storage, and keep it out of the clothes dryer, since heat can melt synthetic fibers.

Storing an Outdoor Rug for the Winter

Whether to store an outdoor rug for the winter depends on where it sits. A rug on a screened porch can stay out through our mild winters if you lift it to dry after storms and keep leaves from piling on it. A rug on an open deck lasts longer if you bring it in after the leaves come down, when wet leaves and short, damp days keep it from drying.

1. Clean it the same way as the spring rinse, and let it dry completely.
2. Roll it rather than fold it, so it doesn’t crease; rolling it around a cardboard tube keeps it straight.
3. Wrap it in something breathable, such as an old sheet, never sealed plastic.
4. Store it off a concrete floor in a dry place, not a damp crawlspace or shed.

What Outdoor Rugs Cost and How Long They Last

The cost of a stock outdoor rug follows its size, its weave, whether it’s solution-dyed and UV-stabilized, and the maker, and prices vary too widely by size and brand for one national figure. A custom-bound porch rug is easier to price, because it has two parts: the carpet by the square foot and the binding by the foot of edge.

Nationally, olefin carpet runs about $1 to $3 a square foot in This Old House’s cost guide, and standard machine binding runs about $4 to $6 a linear foot in ThePricer’s binding guide. An 8-by-10 rug has 36 feet of edge, and a long 7-by-19 porch rug has 52.

How long an outdoor rug lasts depends more on its care than its price. Full sun, standing water and a film of dirt left on it shorten its life, while shade, a pad that lets it breathe and a rinse every spring and fall lengthen it. We price a bound rug once we have the size and the carpet you’ve chosen.

Porch Rugs and Pads From Us

At Triangle Flooring Center, we sell area rugs through our online rug shop, along with the outdoor pad, and we bind carpet into rugs cut to any size, including indoor-outdoor carpet. We’ve served Chapel Hill and the towns around it since 1994.

You can feel the weight of a good indoor-outdoor carpet at our Carrboro showroom on West Main Street. If it’s easier, we can bring carpet samples to your house to see in the light where the rug will go.

More Outdoor Rug Questions

Can an Outdoor Rug Stay Out in the Rain?

Yes, a synthetic outdoor rug can stay out in the rain; what it can’t do is stay wet on a floor that never dries. After a soaking storm, lift it or drape it over a railing, and sweep under it before it goes back down.

Can You Use an Outdoor Rug Indoors?

Yes, an outdoor rug works indoors, especially by a back door, in a mudroom, in a kitchen or under a dog’s water bowl. It cleans with soap and water and dries fast. It feels firmer than an indoor rug, so it’s best where practicality matters more than softness.

How Do You Keep an Outdoor Rug From Blowing Away?

Weight and grip keep an outdoor rug from blowing away. Choose a rug larger than the seating area, so furniture legs hold down every side, and put an outdoor pad under it for grip. A heavier flat-weave moves less than a thin one. On an exposed lakeside deck, bring a small rug in before a storm.

Are Outdoor Rugs Good for Dogs?

Yes, a tightly woven synthetic flat-weave is one of the best rugs for a dog, because it hoses clean and has no loose loops for claws to catch. Rinse an accident with water and a little soap, and dry the rug before it goes back down.

Measure the Porch and Send Us the Numbers

Start with a tape measure: the length and width of the floor, where the furniture sits and what the floor is made of. Send us those numbers, and we’ll help you choose a rug or price one bound to fit.