Loading prices...
← All products
Insulation
Pack of 5 (Total 5 Units) - 50mm Cavity Wall Slab 36 - 1200mm (L) x 455mm (W) x 50mm (T)
by Rockwool
875.1% price spread across merchants
Current Prices
B&Q
Out of stockhttps://www.diy.com
£877.57
↑400%
£175.51 ex VAT
Updated 22/03/2026
Wickes
Out of stockhttps://www.wickes.co.uk
£90.00
↑400%
£18.00 ex VAT
Updated 22/03/2026
🚚B&Q: Free over £50|Wickes: Free over £75
🏷️ Price Match Opportunity
Shopping at B&Q? Save £787.57 (89.7%) with a price match against Wickes.
Merchant Comparison
| B&Q | Wickes 👑 Cheapest | |
|---|---|---|
| Price (inc VAT) | £877.57 | £90.00 |
| Price (ex VAT) | £175.51 | £18.00 |
| Stock | Out of stock | Out of stock |
| Trend (14d) | ↑ Rising | ↑ Rising |
| Last updated | 22 Mar 2026 | 22 Mar 2026 |
🏪 Check Local Stock
Enter your postcode to check stock availability at nearby branches.
Price History
B&Q
30d change:+£0.00 (+0.0%)
| Date | B&Q | Wickes |
|---|---|---|
| 22 Mar | £175.51 | £18.00 |
| 21 Mar | £175.51 | — |
| 20 Mar | £175.51 | — |
| 19 Mar | £175.51 | — |