GB Home · Project guide
Know the size before you order
Match the board dimensions and thickness to your floor build-up. Plain XPS has no cementitious tiling surface.

Know your product
XPS Insulation Board 1200x600x20mm Pack of 10 7.2m2 Underlay Underfloor Heating
- Quantity basis
- 10 boards per pack
- Nominal coverage per unit ordered
- 7.2 m²
Compare your options
| Option | Price including VAT | Availability |
|---|---|---|
| XPS Insulation Board 1200x600x20mm Pack of 10 7.2m2 Underlay Underfloor Heating | £99.90 per pack | Currently unavailable |
Plan your quantity
Allow for cuts and waste separately. Keep different thicknesses separate when planning quantities.
Before installation
Check the substrate, floor finish and heating-system instructions before choosing plain XPS.
Compare related products
Before you order
Is plain XPS a tile backer board?
No. A cement-coated tile backer board is a different product. Follow the requirements of your chosen floor system.
Can I plan while this item is unavailable?
Yes. Use the product information for planning, but confirm availability before scheduling work. No restock date is promised here.

XPS Insulation Board 1200 × 600 mm – Choose Thickness
XPS Insulation Boards 1200 × 600 × 6 mm – Pack of 20
XPS Insulation Boards 1200 × 600 × 10 mm – Pack of 20