How to wash a weighted blanket comes down to two numbers: its weight and your washer's capacity. Lighter blankets (under ~12 lb) usually wash fine at home; heavier ones can damage your machine and themselves. Here's how to clean yours safely without clumping the beads or stripping the fabric.
If your blanket has a removable duvet cover, 90% of "washing" is just throwing that cover in the laundry like a normal sheet. The weighted insert itself rarely needs a full wash — spot-clean it and wash the cover weekly. If you don't have one, it's the best upgrade you can make.
Dab any marks with a little mild detergent and cold water before a full wash — blot, don't scrub.
Use cold-to-warm water on the gentle/delicate setting with a small amount of mild detergent. Hot water can warp plastic pellets and weaken glass-bead pockets.
This is the one people get wrong: fabric softener coats the beads and fabric, leaving a greasy residue and killing breathability. Skip it entirely.
Tumble on low heat, or lay the blanket flat to air-dry so the beads settle evenly instead of bunching into one corner. Give it time — even fill takes a while.
Damp bead pockets can mildew. Make sure the whole blanket — including the seams — is bone dry before storing or using.
Wash the cover weekly and the blanket itself every 1–2 months (or spot-clean between). If the beads have leaked, the stitching is failing, or the fill has permanently bunched, it's done — see our guide to the best weighted blankets in Canada.
More care guides: how to clean a mattress · clean a pillow · clean a mattress topper.
Practical bedding-care tips — not medical advice.
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