3mm Flat Packing. The Most Reached-For Size.

These 100x28mm white flat shim packers are the most popular thickness in the flat range — a 3mm profile that handles the vast majority of levelling, spacing, and shimming tasks encountered on a typical installation. Whether you're setting a window frame, laying a floor, or fitting kitchen units, the 3mm white is the one that earns its place in every toolbox.

Colour-coded white for instant identification, and supplied in a bulk pack of 1000 for uninterrupted workflow on large projects.

Key Features

• 3mm thickness — the most commonly used flat packer size on site
• Flat profile — ideal where U-shaped packers can't be used
• 100x28mm size suits a wide range of frame and floor applications
• Colour-coded white for quick on-site identification
• Durable plastic — won't compress, rot, or absorb moisture
• Pack of 1000 for high-volume trade use

Ideal For

• Window and door frame installation
• Hardwood and laminate floor installation
• Decking and garden building assembly
• Kitchen, bedroom, and bathroom cabinet fitting
• Any application requiring a flat, low-profile packer

Size: 100 x 28 x 3mm | Colour: White | Pack of 1000.