# Bostik Fire & Acoustic Sealant

Evo-Stik Fire and Acoustic Sealant is a water-based intumescent sealant, which also provides sound-deadening properties. A high-quality acrylic building sealant, which also provides sound-deadening properties. It cures to form a tough tack-free seal with excellent adhesion to a wide variety of building surfaces. It has been specially formulated to help restore the acoustic integrity of structures by sealing gaps and achieves up to 4 hours of fire resistance in suitable structures.  

-   Meets BS476 Part 20 (4 hours)
-   Resists the passage of fire for up to 4 hours in suitable structures
-   Sound-deadening properties when applied to suitable joints
-   Over paintable
-   Excellent adhesion to a wide variety of substrates
-   Joint movement +/- 12.5%

## Details

- **Price:** 7.04 GBP
- **Vendor:** BOSTIK LIMITED (E52Z)
- **Type:** Adhesives
- **Tags:** Building Materials, Chemicals, National, Sealant, Sealants & Adhesives

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7.04 GBP | In stock |

## Images

- Bostik Fire & Acoustic Sealant

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> Source: [Carvers Building Supplies](https://www.carvers.co.uk/products/bostik-fire-acoustic-sealant)
> Updated: 2026-06-16