# Acrylic Intumescent Firestop Sealant – White – 380ml – 400 Sealant

Fire-rated intumescent acrylic sealant for internal Applications, developed to maintain the integrity of fire walls or partitions.

**Applications**

An intumescent acrylic sealant for internal Applications, developed to maintain the integrity of fire walls or partitions. Dowsil 400 Firestop does not emit halogenated by-products under fire conditions.

**Benefits**

-   Tested to BS476 Part 22
-   A two-hour fire rating can be achieved
-   Resists mildew and mould growth
-   3- 45 minutes tack-free time
-   Size: 380ml

## Details

- **Price:** 9.19 GBP
- **Vendor:** GEOCEL (G47F)
- **Type:** Sealants
- **Tags:** Building Materials, Chemicals, National, Sealants, Sealants & Adhesives, White

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 9.19 GBP | In stock |

## Images

- Acrylic Intumescent Firestop Sealant – White – 380ml – 400 Sealant

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> Source: [Carvers Building Supplies](https://www.carvers.co.uk/products/sealant-acryllic-intumescent-firestop-white-380ml-400sealant)
> Updated: 2026-06-19