Professional 28mm x 100mm glazing packers, colour-coded by thickness for fast, accurate window and door installation. Made in the UK from 100% recyclable polypropylene — the choice of professional installers nationwide.
Each pack contains flat plastic shims in a single thickness, sized for standard UPVC, aluminium, and timber frames. Colour-coded for instant on-site identification, eliminating guesswork when selecting the right shim for your rebate depth.
Colour Code Guide
1mm — Green: Fine adjustment for lightweight timber sash windows and heritage installations
Pack sizes: 60, 120, 300, or 1,000 per pack — trade quantities available
Manufactured: UK — FENSA-grade quality
Frame compatibility: UPVC, aluminium, and timber
Order by thickness and pack size. Mixed packs (1mm–6mm assorted) also available for trade toolboxes and multi-project use. Bulk pricing for 1,000-pack orders.
Specifications
Delivery & Returns
The estimated delivery window for this item is shown above. Most orders arrive within 3 working days; a number of brands ship direct from the manufacturer and take 5–8 working days.
Free UK delivery on orders over £50. All orders are dispatched on a tracked service. Returns accepted within 30 days on unused, unopened items.
If your order is urgent, contact us for an estimated delivery date before ordering.
Trade Pricing
All prices shown are trade prices — no account or login required. Buy as many or as few as you need.
