A4 Greyboard Backing Card — 3mm Thick

Maximum rigidity. Heavy‑duty performance. Built to support and protect.

This A4 greyboard delivers serious structural strength with its 3mm thickness — ideal for demanding applications where ultra‑rigid backing is essential.

Each sheet provides a solid, stable base that resists bending, warping and compression. Perfect for packaging, bookbinding, model‑making and protective support.

Smooth on both sides with a natural grey finish, this board cuts cleanly and handles beautifully whether you’re crafting, framing or building prototypes.

Why this greyboard stands out

• 3mm thick for ultra‑rigid support
• Heavy‑duty strength ideal for structural and protective use
• Clean cutting surface suitable for craft knives and guillotines
• Natural grey finish for creative, industrial and packaging applications
• Perfect for bookbinding, model‑making, framing and reinforced backing

Pack details

• Sheets per pack: 10
• Size: A4
• Thickness: 3mm
• Material: Recycled greyboard
• SKU: pcz96478

What it’s made for

• Heavy‑duty backing and mounting
• Bookbinding and cover reinforcement
• Model‑making and structural prototypes
• Packaging, inserts and dividers
• Craft projects needing maximum rigidity
• Protective support for posting artwork and prints

Papercutz quality

Every sheet is cut cleanly and produced for consistent thickness, rigidity and performance. No warping, no soft spots — just strong, dependable greyboard that works beautifully every time.