Flat Glazing Packers – Reliable, Trade-Grade Shims (1–6 mm)

Flat glazing packers are the industry standard for levelling and supporting glass units in uPVC, aluminium, and timber frames. Their rigid, non-compressible design maintains correct spacing without distorting gaskets or compromising drainage.

Our range covers 1–6 mm thicknesses with industry-recognised colour coding for quick identification on site. Choose the items depending on your fitting needs. All products are stocked in the UK with VAT invoices and next-day delivery available.

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🚚 Next-Day Delivery | 📏 Consistent Sizing | 🧱 Trade-Grade | 📦 Bulk Pricing | 🔁 Easy Re-Order

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Type FP20 glazing packer black.
Type FP20 glazing packer red.
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Type FP20 Glazing Packers

Price range: £18.10 through £23.51 Exc. VAT
Select options This product has multiple variants. The options may be chosen on the product page
Type FP24 glazing packer red.
Type FP24 glazing packer blue.
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Type FP24 Glazing Packers

Price range: £20.49 through £28.68 Exc. VAT
Select options This product has multiple variants. The options may be chosen on the product page
Type FP28 glazing packer blue.
Type FP28 glazing packer red.
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Type FP28 Glazing Packers

Price range: £21.99 through £34.99 Exc. VAT
Select options This product has multiple variants. The options may be chosen on the product page
Type FP9 glazing packer clear.
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Type FP9 Glazing Packers

£21.99 Exc. VAT
Select options This product has multiple variants. The options may be chosen on the product page

Which glazing packer should I choose?

  • Flat packers – Universal for spacing and levelling — ideal for most glazing installs.
  • Bridge packers – Used around fixings or drainage points to protect seals and gaskets.
  • Wedge packers – For micro-adjustments and toe-and-heeling work.

Trade-grade window & glazing packers (1–6 mm+)

Glazing packers provide consistent, non-compressible spacing for glass, sealed units and uPVC or aluminium frames. Our range covers common 1–6 mm thicknesses with recognised colour codes for quick identification onsite. Choose flat for general setting and levelling, bridge to span drainage/thermal breaks and protect gaskets, and wedge when you need fine adjustments that stay put. Next-day UK delivery available and VAT invoices included. Need help selecting sizes? Contact us for trade advice.

Flat Glazing Packers – FAQs

Start with your system’s guidance — most installs use 1–6 mm. Choose the smallest packer that achieves level without stressing gaskets.

Yes — all flat packers are available in single or trade-size boxes with discounted pricing.

Orders placed before the cut-off are usually dispatched the same day. Next-day delivery available UK-wide.

Need Help Choosing?

Email our trade support team at support@glazingpacker.co.uk — we’ll help you pick the right packer set for your job.