Glazing Shims Archives - Always First 4 Fixings

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24mm Flat Plastic Packers | Compact Levelling & Packing Shims
0 out of 5
£3.24 £27.41Price range: £2.70£3.24 through £22.84£27.41 Excl. VATIncl. VAT
- Accurate levelling every time: 24mm flat packers help you set exact, repeatable gaps for windows, doors, frames and glazing units.
- Improved long‑term stability: Non‑compressible plastic spacers support loads evenly, reducing frame movement, racking and cracks.
- Fast, clean installation: Simple to position and adjust on site, saving time on glazing, joinery, shopfitting and general construction work.
- Versatile multi‑trade use: Ideal for uPVC windows, timber frames, partitioning, cladding, tiling, furniture and more.
- Moisture and rot resistant: Unlike timber packers, plastic shims will not swell, rot or deteriorate in damp conditions.
Select options This product has multiple variants. The options may be chosen on the product page
30mm Flat Plastic Packers | Compact Levelling & Packing Shims
0 out of 5
£3.02 £30Price range: £2.52£3.02 through £25£30 Excl. VATIncl. VAT
- Extra‑wide support: 30mm width provides a larger bearing surface than standard packers, ideal for heavier frames, thresholds and structural glazing.
- Accurate, repeatable levelling: Flat, consistent plastic shims ensure precise gaps and alignment for windows, doors, curtain walling and partitions.
- Non‑compressible under load: High‑density plastic maintains thickness over time, helping to prevent frame twist, sagging and cracked plaster lines.
- Fast, clean installation: Simple to position, stack and trim on site – saving time on glazing, joinery, drylining and shopfitting jobs.
- Moisture and rot resistant: Unlike timber packers, these plastic spacers will not swell, rot or deteriorate in damp reveals and cills.
- Ideal for window and door fitting, hardwood and laminate floor installation, decking, and garden buildings.
- Available in several thicknesses (1, 2, 3, 4, 5, 6mm) and a length of 30mm.
Select options This product has multiple variants. The options may be chosen on the product page
Bridge Packers Glazing Shims | For Professional Window and Door Installation.
0 out of 5
£29 £39.36Price range: £24.17£29 through £32.80£39.36 Excl. VATIncl. VAT
- Prevents unit stress over fixings
  Bridge design spans frame fixings and drainage slots, preventing glass or IGUs from resting directly on screw heads or uneven surfaces.
- Maintains drainage & ventilation
  Open underside allows water to drain and air to circulate within the rebate, helping to protect frames and sealed units.
- Accurate glazing support
  Provides consistent bearing points under glass and panels for correct load distribution.
- Fast, clean installation
  Simple to position and adjust, saving time compared with improvised packers or timber offcuts.
- Durable, non‑compressible plastic
  Engineered to resist crushing, rotting and moisture for long‑term stability in the glazing system.
Select options This product has multiple variants. The options may be chosen on the product page