# URSA 35 Cavity Wall Batt 1350mm x 455mm - All Sizes

#### URSA 35 Cavity Wall Batt [Data Sheet](https://cdn.shopify.com/s/files/1/0705/2869/6596/files/URSACavityBattTERRA.pdf?v=1676557414)

URSA Cavity Batt is a semi-rigid glass wool slab treated with a water repellent additive.  
Manufactured to BS EN 13162 and BBA 09/4624.  
URSA Cavity Batt is for use in both fully and partially filled masonry cavity walls.  
Semi-rigid glass wool slab 1350mm x 455mm.  
Thickness: 75mm, 100mm and 125mm  
Thermal Conductivity: 0.035 W/mK  
Nominal Density: 22 kg/m3  
Fire Performance: Euroclass A1 (non-combustible).

## Details

- **Price:** 21.3 GBP - 25.49 GBP
- **Vendor:** URSA
- **Tags:** Cavity, Home & Commercial Insulation, URSA, Wall Batt

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 75mm (4.91m2) | 23.82 GBP | In stock |
| 100mm (3.69m2) | 21.30 GBP | In stock |
| 125mm (3.07m2) | 25.49 GBP | In stock |
| 150mm (2.46m2) | 24.41 GBP | In stock |

## Images

- URSA 35 Cavity Wall Batt insulation slabs with packaging, ideal for masonry cavity walls.

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> Source: [Next Day Insulation](https://nextdayinsulations.com/products/ursa-glasswool-cavity-batts)
> Updated: 2026-07-20