Pack of 10 white (3mm) packers Others sizes available under different listings The Glazing Shims / Packers are 24mm x 100mm x 3mm polypropylene packers suitable for use with UPVC frames. These shims are designed to provide a secure and stable fit for double-pane glazing. Manufactured in the United Kingdom, they offer a reliable solution for ensuring a snug seal between the panes of glass, providing added security and insulation for your property.
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