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Cork Sheets: Thicknesses, Uses and How to Choose

How to choose cork sheet thickness: 1–3 mm for crafts and lining, 4–10 mm for pin boards and DIY, 12 mm and more for structure. CorkMart formats: fine-grained 635 × 940 and 300 × 300 mm, natural 1000 × 500 mm.

Short answer: choose cork sheet thickness by what the sheet has to do. Thin sheets (1–3 mm) are for crafts, lining and bonding to other materials; 4–10 mm suits pin boards, wall panels and general DIY; 12–20 mm and thicker gives structure for robust pin boards, protective layers and technical parts. CorkMart supplies fine-grained agglomerated sheets from 1 to 20 mm (plus 100 and 150 mm) and natural cork sheets from 10 to 200 mm.

Formats available at CorkMart

Product Sheet size Thicknesses Packs
Fine-grained agglomerated sheets 635 × 940 mm (0.5969 m²) or 300 × 300 mm (0.09 m²) 1–20 mm, plus 100 and 150 mm in 635 × 940 1 sheet, pack of 5, pack of 10
Natural cork sheets 1000 × 500 mm (0.5 m²) 10–200 mm 1 sheet, pack of 3, pack of 5

Thin cork sheets (1–3 mm)

Thin sheets bend, cut easily and add almost no build-up. They are chosen for crafts, labels, bookbinding, model making, drawer lining and for bonding a cork face to wood, board or fabric. They are not the right choice when you need strong pin-holding, impact protection or a thick layer.

Medium cork sheets (4–10 mm)

Medium sheets are the most versatile range: pin boards, wall panels, table protection, display backs and most DIY projects. They are easy to handle and give enough body for pins to hold. If you are unsure where to start, 5–10 mm is usually the practical choice for interior projects.

Thick cork sheets (12 mm and more)

Thicker sheets and blocks give structure and a strong material presence: heavy-use pin boards, protective layers, display bases, workshop surfaces, gaskets and technical parts. They are less flexible and increase shipping volume, so check delivery for larger quantities.

Fine grain or natural cork?

Fine-grained agglomerated sheets have a smooth, even surface that suits detailed cutting, printing and a clean look. Natural cork sheets show a more visible cork texture and are offered in a larger 1000 × 500 mm format and in much greater thicknesses. Choose by the finish you want to see and by the thickness you need.

Self-adhesive or standard cork?

Self-adhesive sheets are convenient on clean, smooth surfaces and for small projects. Standard sheets give you the freedom to choose the adhesive, which is often preferred for larger or more technical applications. See the self-adhesive cork range.

Cork sheets or cork rolls?

Sheets are easier to handle, cut and store, and they work well when you need controlled dimensions: wall panels, pin boards, craft work, samples and lining smaller surfaces. Rolls are better for large continuous areas, such as underlay or wall and floor lining, where fewer seams and faster coverage matter. Browse Cork Sheets or Cork Rolls.

How to plan your order

Divide the area by the area of one sheet and round up, then add an allowance for cuts. Example: a 3 m² pin wall with 10% allowance (3.3 m²) needs 6 fine-grained sheets of 635 × 940 mm (one pack of 5 plus one sheet).

  • Choose thickness by function, not only by price.
  • Decide whether flexibility or rigidity matters more.
  • Consider whether the cork will be visible or hidden.
  • For large areas or thick sheets, confirm shipping before ordering.

Frequently asked questions

What thickness is best for a cork pin board?

Pins hold well from about 5–10 mm. For heavy use or longer pins, choose a thicker sheet or add a backing board.

Which cork sheet is best for crafts?

Thin fine-grained sheets of 1–3 mm are the easiest to cut and bond.

What sizes are the sheets?

Fine-grained sheets come in 635 × 940 mm and 300 × 300 mm; natural cork sheets in 1000 × 500 mm.

Are cork sheets an insulation product?

Not by themselves. If you need declared thermal performance, see the expanded cork insulation board.

Explore Fine-Grained Agglomerated Cork Sheets, Natural Cork Sheets or the Cork Sheets & Rolls collection, or request project help through Request a Quote.

Products in this guide