# Superglass Superwall 36 Cavity Wall Batt - All Sizes

#### Superglass Superwall 36 Cavity Wall Batt [Data Sheet](https://cdn.shopify.com/s/files/1/0705/2869/6596/files/Superwall-36-DataSheet.pdf?v=1676474129)

Superglass Superwall 36 is a British Board of Agrément (BBA) approved, non-combustible and water repellent glass mineral wool insulation cavity wall batt. The flexible batt is supplied at 455mm wide to allow easy installation between standard vertical wall tie spacings and minimum on-site cutting and waste.

**Application:**

For use as full or partial fill insulation in new external masonry cavity walls up to 25 m in height in domestic and non-domestic buildings. Superwall 36 Cavity Wall batts are effective in reducing the thermal transmittance (U value) of new external cavity walls with masonry inner and outer leaves, where masonry includes clay and calcium silicate bricks, concrete blocks, natural and reconstituted stone blocks. It is essential that such walls are designed and constructed to incorporate the normal precautions to prevent moisture penetration.

## Details

- **Price:** 25.7 GBP - 34.16 GBP
- **Vendor:** Superglass
- **Tags:** Cavity, Superglass, Superwall 36, Wall Batt

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 100mm (4.37m2) | 25.70 GBP | In stock |
| 125mm (3.28m2) | 28.09 GBP | In stock |
| 150mm (3.28m2) | 34.16 GBP | In stock |

## Images

- Stack of beige Superglass Superwall 36 cavity wall batts, with product packaging visible.
- Superglass logo
- Packaged Superglass Superwall 36 cavity wall batts, with branding and product information visible on the packaging.

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> Source: [Next Day Insulation](https://nextdayinsulations.com/products/superglass-timber-rafter-frame-roll-36)
> Updated: 2026-07-20