Best Plasterboard & Plastering Supplies UK (2026) — Page 4
Plasterboard sheets, plaster and jointing compound.
Read our full Best Plasterboard & Plastering Supplies UK (2026) guide.

#19 Pick
37.5mm Insulated Plasterboard, 1200 x 1200mm x 20 Boards - 28.8m2 (25mm PIR Insulation & 12.5mm Plasterboard)Rated 4.9 out of 5 stars (24)
- PIR Insulated Plasterboard
- 1200 x 1200 x 37.5mm
£577.99
Pros
- 25mm PIR insulation core bonded to 12.5mm plasterboard cuts out a separate insulation-fixing job
- Full pallet of 20 boards covers 28.8m2, enough for a typical extension or garage conversion
- Improves U-values on internal wall linings without losing much room space
Cons
- High order value and pallet delivery means it suits planned bulk jobs rather than small patches

£47.59
Pros
- CONTENTS: 6 x Polystyrene Sheets | SIZE: Each square-edged sheet measures 1200mm (Length) x 600mm (Width) x 50mm (Height) | TYPE: EPS 70 | THERMAL CONDUCTIVITY: Low (0.038 - 0.030 W/mK) | BBA CERTIFIED for BS EN 13163:2012 | MADE in UK
- USE #1 - INSULATION BOARD: Energy-efficient, damp-proof & odourless insulation foam for thermal insulation. Use for wall & floor insulation, shed insulation or as polystyrene ceiling tiles - these are BBA certified construction boards!
- USE #2 - PROTECTIVE PACKAGING: Shock-proof, impact-resistant & lightweight packing foam sheet for cushioning fragile items, box lining or interleaving flat items (e.g. glass panels) - prevent damage & keep items in place during shipping & storage!
- USE #3 - ARTS & CRAFT: Non-toxic & non-irritant, these white polystyrene sheet are perfect for 3D model making, sculpting, floral arrangements, diorama, DIY hobby & school projects - cut, carve, sand, glue & paint this foam block with ease!
Cons
- Does not provide sound insulation.
- Not suitable for outdoor use without protection.

#21 Pick
Expanded Polystyrene EPS 70 Sheets (600 x 400 x 25mm) - Wall & Floor Insulation Board (BBA Certified) - Box Lining & Packaging - Arts & Craft Foam Blocks HTUK (25)Rated 4.4 out of 5 stars (23)
- White
£26.99
Pros
- HTUK Expanded Polystyrene Foam Sheets EPS 70 600 x 400 x 25mm
- Pack of 5, 10 Or 25 sheets, please select the quantity you require.
- Size: 600mm x 400mm x 25mm (each)
- Thermal conductivity: Low (0.038 - 0.030 W/mK)
Cons
- Limited quantity options (5, 10, or 25 sheets only).