There’s something wonderfully human about cork. It’s not just a closure or a plug — it’s a material born of patience, precision, and 200-year-old trees with a grizzled bark and stories to tell. And if you think a cork is just a cork, well, pull up a chair, because you’re in for a lesson that’s part natural history, part craftsmanship, and part love letter to a humble, heroic material.

At Just Cork, we’ve built our entire business around these deceptively simple cylinders and spheres of bark. But even we know it’s not enough to sell corks. You have to understand them — the subtle differences, the specific uses, the importance of size, shape, and grain — because in the world of stoppers and bungs, detail is everything.

The Classic: Straight Cork Stoppers

Let’s begin where most cork stories do — the straight-sided stopper. Cut with parallel sides and typically made from agglomerated cork (that’s cork granules compressed into shape with heat and pressure), these are the bread and butter of bottling. Ideal for wines, oils, vinegars and homemade potions, they offer a neat finish with an effective seal. But beware: a poor-quality straight stopper can be the undoing of your brew. Luckily, our Cork Stoppers are anything but ordinary — food-safe, durable, and made to grip like a handshake from a Portuguese winemaker.

The Shape-Shifter: Tapered Corks

Ah, the tapered cork. Wider at one end, narrowing to a snug point, these beauties are designed for flexibility. Whether you’re sealing flasks, test tubes, jam jars or perfume bottles, a tapered cork finds its fit. It’s the all-rounder of the cork world, trusted by home brewers and lab technicians alike. We stock them in a dizzying range of diameters — because, as anyone sealing small-batch chilli sauce into hexagonal jars knows, the devil is in the millimetres.

Big Jobs Need Big Stoppers: Large Corks

When you're dealing with gallon jars, demijohns, fermentation vessels or even the kind of terrariums that resemble Victorian science exhibits, you’ll want something more robust. Our Large Corks are made for these jobs. Cut thick, shaped for deep mouths, and offering a reassuring, airtight seal — they’re the architectural-grade answer to big containers and wild dreams.

The Pocket-Sized Workhorse: Small Corks

It’s easy to overlook the smaller stoppers, but try bottling a wedding favour, essential oil, or tincture without one. Our Small Corks are crafted with miniature marvels in mind — perfectly sized for small vials, spice jars, and keepsake bottles. They’re also ideal for crafters and DIYers who need consistent sizes for batch projects.

The Sphere: Cork Balls

Now here’s a curiosity — the Cork Ball. Not a stopper in the traditional sense, but no less useful. They float effortlessly, making them perfect for fishing rigs, valve floats, and even filtration systems. Lightweight yet durable, they’re used in physics experiments, educational kits, and — believe it or not — in some high-end hi-fi equipment to reduce vibration. It’s the Swiss Army knife of the cork world, in spherical form.

Bungs: The Industrial Heavyweights

The word ‘bung’ may not set your heart racing, but it should. These are corks for serious business — brewery tanks, lab flasks, fermentation locks. Thicker, sometimes fitted with holes or grooves for tubes and airlocks, bungs need to balance flexibility with firmness. Ours are made from high-grade agglomerated cork with precise tapers to ensure a tight, leak-proof fit. When your fermentation is on the line, a bung is not where you cut corners.

Custom Jobs: When One Size Doesn’t Fit All

Sometimes, despite your best measuring and wishful thinking, the standard sizes just won’t do. That’s where our custom cork services come in. Whether you need a cut-down tapered cork for a scientific decanter or an oversized stopper for a showpiece jar, we can usually help. And if we can’t? We’ll tell you straight and point you to someone who can — because that's how we do business at Just Cork.

Which Cork for What? A Quick Guide

• Wine Bottles: Straight or tapered wine-grade corks, food-safe and sealed tight
• Jars & Terrariums: Tapered or large corks to fit snugly and look handsome on a shelf
• Spirits & Oils: Decorative stoppers or fitted corks with plastic tops
• Test Tubes & Vials: Small tapered corks for lab or craft use
• Fermentation: Large bungs with optional holes for airlocks
• Fishing & Floating Devices: Cork balls of varying diameters

So Why Buy From Just Cork?

Because we’ve spent over a decade specialising in cork. We’re not a reseller of someone else’s goods. We import directly from Portugal — the spiritual and literal home of cork — and we supply hobbyists, scientists, brewers, giftmakers, artists, and industrial clients across the UK, Europe, and beyond.

No minimum orders. Fast dispatch. Friendly, expert advice from people who actually know what they’re selling. If it fits, seals, or floats — we’ve got it, and we’ve probably tested it ourselves in the garage.

Whether you’re making a bottle of plum wine or sealing a museum exhibit, the right cork makes all the difference. Choose Just Cork — because good things deserve a proper finish.