A mixed bag of 160 Broadfix flat and U shims for levelling, packing, spacing and shimming. Colour coded by thickness, made from recycled material, completely waterproof, and will not swell, shrink or rot.
Levelling shims might not be the most glamorous item on the van, but get them wrong and nothing sits straight. This Broadfix assorted pack gives you 160 flat and U shims in a single bag, covering the range of thicknesses you actually need on site without having to order six separate packs and argue with the merchant about what you meant.
Broadfix are well known among window fitters, door installers and frame fixers for making shims that just work. These are colour coded by thickness, so you can grab what you need at a glance rather than squinting at a pile of identical-looking plastic. That sounds like a small thing until you’re balancing a frame in a doorway with one hand and rummaging through a bag of shims with the other.
Why These Levelling Shims Hold Up
The material is the main reason these stay popular. Made from recycled plastic, they are completely waterproof and will not swell, shrink or rot over time. That matters in external applications where timber packers tend to degrade, compress unevenly or absorb moisture and cause problems down the line. These do none of that. Once they’re in, they stay put.
The pack includes both flat shims and U shims. Flat shims sit under or between surfaces for direct bearing support. U shims slide around fixings and bolts without needing to be threaded into position, which saves time when adjusting frames or plant kit with fixings already in place.
The mixed assortment makes this bag a practical everyday stock item. Keep a bag in the van and you’ve got what you need for most packing and levelling jobs without thinking about it.
Pro Tip: When shimming window or door frames, use U shims at the fixing points so you can adjust without removing the screw, then lock them in place once the frame is set and plumb.
These shims are used wherever a frame, board or component needs to be levelled, packed out or held at a consistent gap. Window and door fitting is the most common application, but they are just as useful when setting out kitchen units, aligning structural frames, packing steelwork or spacing cladding. U shims are particularly handy around fixings, while flat shims work well under base plates and sills where full bearing contact is needed.
Best For
Window and door frame installation
Levelling and packing base plates
Kitchen and joinery fitting
Cladding and spacing applications
Shimming around fixings and bolts
Available In
Flat shims
U shims
Colour coded by thickness
Mixed assortment of 160 pieces
Key Properties
Completely waterproof
Will not swell, shrink or rot
Made from recycled material
Colour coded for quick identification
Suitable for internal and external use
Not suitable for: Not intended as a structural load-bearing solution where engineered support is required. Not suitable for applications needing fire-rated packing materials.
Select the shim thickness you need using the colour coding, then slide flat shims into position under the frame or component, or use U shims around any fixings already in place. Build up layers where needed to achieve the correct level before tightening off.
Offer the frame or component into position and identify where adjustment is needed
Select the appropriate shim thickness using the colour coding
Slide U shims around existing fixings or place flat shims under bearing points
Check level and add or remove shims as required until the frame sits correctly
Tighten fixings once the position is confirmed and trim any protruding shim material flush if needed
What thicknesses are included in the assorted pack?
The pack contains a mix of flat and U shims across a range of thicknesses, colour coded so you can tell them apart quickly. The assortment is designed to cover the most common levelling and packing requirements in one bag.
Can these shims be used externally?
Yes. They are made from recycled plastic and are fully waterproof, so they will not swell, rot or degrade when exposed to moisture. They are a direct improvement on timber packers in external window, door and cladding applications.
Broadfix levelling shims are manufactured from recycled plastic, making them dimensionally stable and unaffected by moisture. They will not compress, rot or degrade over time, unlike timber alternatives. Colour coding across the range allows quick thickness identification on site. Suitable for both internal and external applications.
Pack Contents
160 assorted shims
Shim Types
Flat and U shims
Material
Recycled plastic
Waterproof
Yes
Colour Coded
Yes, by thickness
SKU
BFXBAL160
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