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The Cutting Table · compared on the table

Can you make marine-grade outdoor cushions with sealed seams and a mesh bottom?

Also asked as:Can you do 100% waterproof marine-grade fabric?Mesh strips on the undersides for drainage?

Short version: not as standard. Standard outdoor covers are stitched, zipped and washable. The heavier build exists, but it has to be asked for by name.

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The Weather Man of Casco Bay · · Updated

Three cream box cushions with navy, coral and mustard stripes stacked on terracotta tiles in a courtyard with rosemarySave
One bold coral stripe between two navy ones keeps this courtyard stack lively but balanced.

The quick answer

Sealed seams and a mesh bottom are not part of standard outdoor cushion production. Regular outdoor covers use normal stitching and full zippers so they come off and wash, and the weather protection comes from the water-repellent outdoor fabric. For large premium projects the workshop has built with a breathable mesh drainage base, UV-resistant thread, a concealed zipper, double welt and 32-density medium-firm foam.

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Standard outdoor cover vs. the premium project build

DetailStandard outdoor coverPremium project build
SeamsRegular stitching; not sealedDouble welt in matching fabric; not sold as sealed
UndersideNo mesh stripsBreathable mesh base for drainage
ClosureFull zipper; cover comes off to washConcealed heavy-duty zipper; cover comes off
ThreadStandard threadUV-resistant thread
FoamAs chosen on the order32-density medium-firm, about 2.0 lb/ft³ (32 kg/m³)
Before cuttingMade as orderedProduction drawing sent for approval

Key facts

  • Standard outdoor covers have regular stitching and full zippers, removable and washable.
  • Sealed seams and mesh breather strips are not part of standard production.
  • The water-repellent outdoor fabric chart includes cream, beige, taupe and oatmeal neutrals.
  • A premium build has used 32-density medium-firm foam, about 2.0 lb/ft³ (32 kg/m³), UV-resistant thread, a mesh base, a concealed zipper and double welt.
  • Large projects get a production drawing to approve before cutting; production time is quoted per project.
  • Button-tufted backs are confirmed case by case from dimensions and a photo.

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Have Callum’s workshop cut this for you

Tell them where it lives. Porch, deck or boat: the weather picks the fabric and the foam before anyone else does. — Callum

Leave your details and the workshop will call you to confirm measurements, fabric, foam and piping. No prices, dates or payment on this page: it is a request, not an order.

Fabric · Foam · Pipingwhat the workshop will confirm with you

Fabric
The water-repellent outdoor fabric chart includes cream, beige, taupe and oatmeal…
Foam
A premium build has used 32-density medium-firm foam, about 2.0 lb/ft³ (32 kg/m³)…
Piping
The corded seam edge: matching, contrast or none.
Only for this request: no marketing calls or texts. Outside the US, add the country code.
In inches: length × depth × thickness, plus any angles or cut corners.

* Required. A member of the workshop team will call you to talk it through; nothing is charged and nothing is made until you have agreed on every detail with them.

We use these details only to answer this request and make your cushion: your name and contact details, the cushion details and photos you send, the page you came from and the ad or link that brought you, if any. The workshop that makes the cushions receives them. We don't sell them or share them for advertising, and we delete requests after 24 months. Privacy notice for requests.

Nothing is made or charged until you approve the details.

Want to pick the shape and add photos? Use the full quote form

Why the standard cover is stitched, not sealed

Standard outdoor covers are sewn with regular stitching and closed with a full zipper. The cover comes off, goes in the wash, goes back on. The weather work is done by the fabric: a water-repellent outdoor chart with neutrals like cream, beige, taupe and oatmeal. It sheds a shower; it isn't sold as waterproof.

Sealed seams and mesh breather strips are not part of normal production. Better you hear that now than after a wet week, friend. Rain doesn't negotiate.

Quick-dry foam is the same story. On the premium job below, the foam was 32-density medium-firm, not the 2.2-2.5 lb/ft³ (35-40 kg/m³) quick-dry block first asked for. If drainage foam matters, name it and get it on the drawing. Dry-fast foam covers when to insist.

Where will your cushions spend a wet night: under a roof, or out in the open?

For the fabric side, read water-repellent vs waterproof and browse the outdoor fabric Swatch Library and zippered cushion covers.

A real project

A concrete daybed, specified for the worst day

A buyer wrote to the workshop about a large built-in concrete daybed. The quote covered two seat cushions, each about 58¾ × 99⅜ in (149 × 252 cm) and 6 in (15 cm) thick, plus two round head cushions.

The spec read like a sail order: 32-density medium-firm foam, a premium outdoor fabric, UV-resistant thread, a breathable mesh base for drainage, a concealed heavy-duty zipper, double welt in matching fabric and removable covers. A production drawing went out for approval before any cutting, and production on that job was quoted at about 10-14 days.

That is the heavier build. It exists. It just isn't the default.

A standard outdoor cushion cover is stitched and zipped to come off and wash; a mesh drainage base is a premium build to ask for by name.

Callum
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Buyer questions

  1. A common question

    Can you make fully waterproof marine-grade covers with sealed seams and mesh vents for a very wet climate?

    The workshop's answer

    There is a water-repellent outdoor fabric chart with cream, beige, taupe and oatmeal neutrals, but sealed seams and mesh breather strips aren't part of production. Covers have standard stitching and full zippers, removable and washable. Button-tufted backs are confirmed case by case from dimensions and a photo.

  2. A common question

    Can a tufted cushion live outside?

    The workshop's answer

    It can be made in outdoor fabric, but tufting lets water inside even so. Where cushions get wet, by a pool or a fire pit, choose a plain, foam-filled outdoor cushion.

  3. A common question

    Can you make new covers for the outdoor inserts I already have?

    The workshop's answer

    Yes. Zippered outdoor covers are made to fit from photos and a drawing with every measurement, with no need to send the cushions.

Questions buyers ask next

Does a mesh base let rain drain out of an outdoor cushion?

That is its purpose: a breathable mesh base gives water that gets inside a way out at the bottom. Here it came with a premium project build, not on standard covers, so request it in writing.

Is 32-density foam the same thing as quick-dry foam?

Not necessarily. Density describes weight, about 2.0 lb/ft³ (32 kg/m³), and on the premium daybed it was specified as medium-firm. Quick-dry foam is an open structure made to drain fast, so get the foam type named on the drawing.

Which neutral colors come in the water-repellent outdoor fabric?

The water-repellent outdoor chart carries cream, beige, taupe and oatmeal among its neutrals. Ask for close-up photos of the codes you are weighing, since outdoor weaves read differently in full sun than on a phone.