Collection: 28mm Glazing Packers

Shop 28mm flat plastic glazing packers in 1–6mm thicknesses. Choose single-thickness or mixed packs, or stock up with 3,000 and 6,000 packer bulk options. Width, thickness and total pack quantity are shown on each product.

Choose your 28mm glazing packers

These are flat plastic glazing packers, also called glazing shims or window spacers. Choose the width required by your glazing system, then select the thickness and quantity for the job. This collection contains flat packers; horseshoe and bridge packers have different shapes.

28mm pack quantities at a glance
PackWhat you receiveChoose this when
Single thickness or mixed pack60, 120, 300 or 1,000 packers, depending on thickness; select 1–6mm or mixedYou need a specific thickness or a smaller assortment
3,000 mixed packers10 bags of 300 assorted 1–6mm packersYou want mixed packs ready to take to different jobs
6,000 packers, six boxes1,000 each of 1mm, 2mm, 3mm, 4mm, 5mm and 6mmYou want a stock of every thickness, separated by size

28mm or 32mm packers?

The difference is packer width. Choose the size specified for the glazing system and glass support arrangement; do not choose by window size alone. For another width, compare 32mm glazing packers or browse all flat glazing packers.

Frequently asked questions

What does 28mm mean on a glazing packer?

28mm is the packer width. The main flat packers in this range are 100mm long and available in 1–6mm thicknesses. Packer width is not the glass unit thickness. Check the required dimensions against the frame or glass supplier’s glazing instructions.

What is the difference between single-thickness and mixed packs?

Single-thickness packs contain the thickness selected. Mixed packs contain assorted 1–6mm thicknesses. The pack quantity is the total number of packers supplied, not the number of each thickness. Equal quantities of each thickness are only specified for the 6,000 packer six-box set.

What is included in the 6,000 packer bulk set?

Six boxes of 1,000 packers: one box each of 1mm, 2mm, 3mm, 4mm, 5mm and 6mm thickness. All six boxes have the width stated on the product.

Delivery and help choosing

Free UK delivery applies to qualifying orders over £50. Charges and eligibility are shown at checkout; see our delivery policy for delivery estimates and exceptions. For product advice, email martin@glazingsuppliesdirect.com.