# Polythene Damp Proof Membrane – BBA Approved – Black – 4m

The Polythene 250mu BBA Black Damp Proof Membrane is a high-performance solution designed to provide effective moisture protection in construction and building projects. Measuring 4 metres wide by 25 metres long, it offers generous coverage for use in foundations, floors, and walls, helping to prevent moisture ingress and protect structural integrity.

Manufactured for durability and reliability, this membrane provides an effective barrier against dampness, making it suitable for a wide range of residential and commercial building applications.

## Details

- **Price:** 41.24 GBP - 47.96 GBP
- **Vendor:** JRT SUPPLIES LTD
- **Type:** Damp Proof Membrane
- **Tags:** Black, Building Materials, Damp Proof Membrane, Damp Proofing & Ventilation, Local

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 25m / 250mu | 41.24 GBP | In stock |
| 25m / 300mu | 42.89 GBP | In stock |
| 12.5m / 500mu | 47.96 GBP | In stock |

## Images

- Polythene Damp Proof Membrane – BBA Approved – Black – 4m

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> Source: [Carvers Building Supplies](https://www.carvers.co.uk/products/polythene-250mu-bba-black-damp-proof-membrane-4x25mtr-1000-gauge)
> Updated: 2026-06-23