Rug Shrunk After Washing: Fixes and Prevention

Why washable rugs shrink in the wash

Shrinkage happens when the rug's fibers absorb water and then dry under tension, or when heat and agitation cause the yarns to tighten. Cotton, which is common in washable rugs, is especially prone to shrinking because its fibers swell when wet and contract as they dry. The backing and the face yarn may also respond differently, which can cause the rug to pucker or pull out of shape. For a closer look at how different fibers behave, see our rug material comparison.

Machine washing adds three forces that encourage shrinkage: mechanical agitation, centrifugal spin, and temperature. Hot water relaxes and then sets fibers in a tightened state, while spinning pushes the rug against the drum and can distort the weave. The result is visible in the length and width, and sometimes more in one direction than the other.

• Cotton and cotton-blend rugs shrink more than synthetic rugs.
• Hot water and high heat are the main triggers.
• Washing machines with a center agitator are harder on rugs than front loaders.
• The backing material can shrink differently from the face yarn, causing ripples.

How to stretch a shrunken rug back to size

You can often reclaim a shrunken rug if it is still damp or only lightly dried. The key is to re-wet the rug evenly, then stretch and hold it in place while it dries. This works best on cotton and cotton-blend rugs, less so on rugs with latex or rubber backing, which may not respond well to being pulled.

Start by laying the rug on a clean, flat floor or on a large table. Mist it evenly with clean water until it is damp but not soaked. Then pull the rug gently from opposite corners, working first across the width and then along the length. Keep the edges straight and the corners square. Use painter's tape or push pins along the edges to hold the rug to the desired dimensions. Leave it flat until completely dry. Do not use heat to speed drying; room-temperature airflow is gentler on the fibers. For more on drying, see how to dry a rug after cleaning.

• Re-wet the rug evenly before stretching.
• Pull from opposite corners to work out wrinkles.
• Pin or tape the edges to the floor or a board.
• Dry flat, away from direct sun and heat.
• Repeat if the first pass does not fully restore the size.

What not to do when your rug shrinks

Do not put a shrunken rug in a tumble dryer, even on low heat. The heat will set the fibers in their shrunken state and can also melt synthetic backing materials. Do not iron the rug face down; the heat can crush the pile and fuse synthetic yarns.

Do not pull on a rug that is bone dry; the yarns are less pliable and you may break them. Do not use a steam iron or steam cleaner directly on the rug to try to relax it, especially if the rug has a latex backing. High heat can cause the latex to soften and peel away from the face yarn.

If the rug has a rubber or latex backing and it shrinks, stretching it by force may cause the backing to separate. In that case, focus on prevention for future washes rather than forcing a fix.

How to prevent shrinkage in future washes

Read the care label before you wash. Manufacturers are required by the Federal Trade Commission's Textile Rules to provide fiber content on the label, which helps you judge how the rug will react. Cotton and other cellulosic fibers are the most likely to shrink; synthetic fibers like polyester and polypropylene are more dimensionally stable.

Wash in cold water on a gentle or delicate cycle. Skip the spin cycle or use the lowest spin setting. Some machines have a no-spin option; use it and instead press out excess water by hand or with towels. Never put the rug in a dryer. Air dry flat, and reshape the rug while it is still damp. If you wash cotton rugs, follow the specific tips in our cotton rug washing guide. The rug care and cleaning article covers the basics of washing and drying.

If the care label says "dry clean only" or "spot clean," do not machine wash. Rugs that are not labeled as washable are not designed to survive a washing machine. For large rugs that cannot fit in your machine, consider a professional cleaning service. The Carpet and Rug Institute recommends periodic professional cleaning for carpet and rugs.

When a shrunken rug should be replaced

If you have stretched the rug once and it is still noticeably short, a second attempt may help. Cotton rugs often recover with repeated wet-stretching. But if the rug is many inches short, or if the backing has separated, the rug will not lay flat and may be a tripping hazard. In that case, replacing it is the safer choice.

When you buy a new washable rug, account for the fact that even careful washing may cause a small amount of shrinkage. Size guides for your room will help you choose a rug that has a little extra margin. For entryways and runners, a slightly larger rug is easier to trim than one that ends up too short. See our rug size guide for room-by-room recommendations.

• Small shrinkage: stretch and dry flat.
• Moderate shrinkage: repeat the wet-stretch process.
• Severe shrinkage or backing damage: replace the rug.

What to pick for your use

Questions

Can I fix a rug that shrank in the dryer?

Partially. If the rug is made of cotton, you can re-wet it, stretch it, and let it dry flat. But dryer heat sets the fibers in the shrunken state the first time; the fibers will not fully relax. A second wash in cold water and air drying may help a little, but the rug will likely never return to its original size.

Why did my rug shrink unevenly?

Uneven shrinkage often results from the rug sitting bunched in the washer or from the backing and face yarn shrinking at different rates. Cotton face yarn shrinks more than a polyester backing, which can cause ripples. Stretching while damp can help, but the rug may not lie perfectly flat again.

Do all washable rugs shrink in the wash?

No. Rugs made of synthetic fibers such as polyester and polypropylene are much less prone to shrinkage than cotton or wool rugs. However, even synthetic rugs can shrink if they are washed in hot water or dried with heat. Always check the care label and use cold water with low heat.

Is there a way to prevent shrinkage without dry cleaning?

Yes. Wash in cold water on a gentle cycle, use the lowest spin setting, and air dry flat. Reshape the rug while it is damp. Avoid high heat in any form. For rugs with latex backing, avoid washing them in a machine if you can; the agitation can stress the backing and cause delamination.

Can a rug shrink after being professionally cleaned?

Professional cleaners can also cause shrinkage if they use hot water extraction and the rug is not dried properly. Heat from steam cleaning can shrink wool and cotton rugs. If the rug is valuable, tell the cleaner which fibers it contains and ask for low-moisture methods.

Does fiber content tell me if a rug will shrink?

Yes, the fiber content is a strong indicator. Cotton, rayon, and wool are cellulosic or protein fibers that absorb water and shrink. Polyester, polypropylene, and nylon are synthetic and resist water absorption. The FTC requires a fiber content label on most rugs, so check it before you buy.