Polystyrene Sheets for Insulation: Thickness, Size & Cost
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Polystyrene sheet choice depends on size, thickness, and density, with smaller formats suited to packaging and larger sheets suited to insulation and building work.
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The 600 × 400 × 10mm sheets cost £6.19 per 10-pack, while 1200 × 600 × 25mm sheets cost £40.95 per 12-pack, both excluding VAT.
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The 1200 × 600 × 50mm sheets cost £40.95 per 6-pack, and 2400 × 1200mm sheets cost £89.95 per pack in either 25mm or 100mm thickness.
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Thickness affects thermal performance, while density determines compression strength, so both need to match where the sheet will be installed.
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Globe Packaging stocks EPS 70 polystyrene sheets across five...
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