How to waterproof cushions
The best way to "waterproof" cushions is to build them to shed water: a water-resistant outdoor fabric over a quick-draining dry-fast foam core. Most outdoor cushions are water-resistant, not fully waterproof — they repel rain and dry fast rather than sealing water out. A spray-on repellent adds protection and can be renewed, but it won't fix a cushion that soaks up water inside.
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Waterproof cushions — answered
Are outdoor cushions fully waterproof?
Most are water-resistant, not fully waterproof. Quality outdoor fabric repels rain and dries fast, and paired with dry-fast foam the whole cushion drains and air-dries. Fully sealed vinyl covers are waterproof but trap condensation.
Does waterproofing spray actually work on cushions?
A fabric-safe durable water repellent improves surface beading and buys extra protection, but it wears off with sun and washing and needs reapplying. It can't waterproof a cushion whose foam soaks up water from the seams.
What foam should I use so cushions dry fast?
Dry-fast, also called reticulated or open-cell outdoor foam. Its open structure lets water pass straight through so the cushion air-dries in hours instead of staying soggy for days.
How do I keep water from getting inside the cushion?
Use water-resistant fabric, add dry-fast foam so any water that gets in drains out, and consider mesh drainage grommets on the underside. This "let it drain" approach beats trying to fully seal a seating cushion.
Can I order custom cushions built to shed water?
Yes. Choose a water-resistant outdoor fabric and the dry-fast foam option, enter your size, and Foamera shows your price instantly. Made to order and shipped worldwide with free shipping.
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Tell us how much rain and splash your cushions face and our makers spec the right fabric and foam. No obligation, no pushy sales.
