---
product_id: 54672641
title: "Heavy Duty Black Polythene Sheet - Damp Proof Membrane - DPM 300 Mu - 1200 Gauge - 4 Metre x 25 Metre - (100 sq/m)"
brand: "trade store"
price: "€ 354.37"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.ie/products/54672641-heavy-duty-black-polythene-sheet-damp-proof-membrane-dpm-300
store_origin: IE
region: Ireland
---

# Superior moisture & vapor barrier High puncture resistance durability 1200-gauge heavy-duty thickness Heavy Duty Black Polythene Sheet - Damp Proof Membrane - DPM 300 Mu - 1200 Gauge - 4 Metre x 25 Metre - (100 sq/m)

**Brand:** trade store
**Price:** € 354.37
**Availability:** ✅ In Stock

## Summary

> 🛠️ Build with confidence, protect with power.

## Quick Answers

- **What is this?** Heavy Duty Black Polythene Sheet - Damp Proof Membrane - DPM 300 Mu - 1200 Gauge - 4 Metre x 25 Metre - (100 sq/m) by trade store
- **How much does it cost?** € 354.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/54672641-heavy-duty-black-polythene-sheet-damp-proof-membrane-dpm-300)

## Best For

- trade store enthusiasts

## Why This Product

- Trusted trade store brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Heavy-duty polyethylene resists punctures and wear, perfect for demanding construction sites.
- • **Eco-Smart & Efficient:** Compactly folded for easy transport, reduces waste, and supports underfloor heating systems.
- • **Flexible Installation:** Easily adapts as oversite membrane, sandwich layer, or under screed without stretching or shifting.
- • **Ultimate Moisture Defense:** 1200-gauge thickness blocks dampness and rising water, safeguarding your foundation like a pro.
- • **Certified Quality Assurance:** CE-compliant for guaranteed strength and stability throughout your build’s lifetime.

## Overview

This Heavy Duty Black Polythene Sheet is a 1200-gauge, 4m x 25m damp proof membrane designed to provide superior moisture protection and puncture resistance for construction projects. CE-certified and eco-friendly, it ensures long-lasting durability and versatile installation options, making it essential for compliant, professional-grade building foundations and floors.

## Description

Full description not available

## Features

- SUPERIOR MOISTURE BARRIER PROTECTION: Protect building foundations and floors from moisture, rising water, and damp with our 1200-gauge DPM black polyethylene sheet. Essential for ensuring compliance with national Building Regulations, this robust sheet forms an effective barrier when properly installed.
- ROBUST AND DURABLE CONSTRUCTION: Designed to withstand the rigors of construction environments, our heavy-duty DPM features high puncture resistance, making it ideal for use on solid concrete ground floors and under screeds. It ensures long-term protection and stability in various construction settings.
- VERSATILE INSTALLATION OPTIONS: Our DPM offers flexible installation possibilities, functioning as an oversite membrane, a sandwich layer in base concrete, or directly under screeds. It is engineered for easy handling, facilitating straightforward installation without stretching or displacement.
- HIGH-QUALITY CONSTRUCTION STANDARDS: Manufactured to endure the lifetime of your floor construction without deterioration, our DPM adheres to CE standards. It provides unmatched stability, strength, and cohesion, making it suitable for both new builds and refurbishment projects.
- ECO-FRIENDLY AND ECONOMICAL DESIGN: Focused on efficiency and minimal environmental impact, our DPM is extremely economical and designed to reduce waste. It is conveniently packaged folded to 1m for ease of transport and storage and offers high water vapor resistance, accommodating even underfloor heating systems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Trade Store |
| Part Number | 300 mu |
| Package Dimensions | 129 x 25 x 24 cm; 25.02 kg |
| Item model number | 100 SQ/M |
| Colour | Black |
| Finish | Smooth |
| Material | Polyethylene (PE) |
| Shape | Rectangular |
| Thickness | 3E+1 Mils |
| Item Package Quantity | 1 |
| Coverage | 100 SQ/M |
| Usage | Outside |
| Included Components | 1 x DPM |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 25 kg |

## Product Details

- **Material:** Polyethylene (PE)
- **Brand:** Trade Store
- **Coverage:** 100 SQ/M
- **Item thickness:** 3E+1 Mils
- **Recommended uses for product:** phone screen protection

## Images

![Heavy Duty Black Polythene Sheet - Damp Proof Membrane - DPM 300 Mu - 1200 Gauge - 4 Metre x 25 Metre - (100 sq/m) - Image 1](https://m.media-amazon.com/images/I/51GC2FWozrL.jpg)
![Heavy Duty Black Polythene Sheet - Damp Proof Membrane - DPM 300 Mu - 1200 Gauge - 4 Metre x 25 Metre - (100 sq/m) - Image 2](https://m.media-amazon.com/images/I/31buIAstUpL.jpg)
![Heavy Duty Black Polythene Sheet - Damp Proof Membrane - DPM 300 Mu - 1200 Gauge - 4 Metre x 25 Metre - (100 sq/m) - Image 3](https://m.media-amazon.com/images/I/31Iv2AAfBdL.jpg)
![Heavy Duty Black Polythene Sheet - Damp Proof Membrane - DPM 300 Mu - 1200 Gauge - 4 Metre x 25 Metre - (100 sq/m) - Image 4](https://m.media-amazon.com/images/I/41WC5gBgX8L.jpg)
![Heavy Duty Black Polythene Sheet - Damp Proof Membrane - DPM 300 Mu - 1200 Gauge - 4 Metre x 25 Metre - (100 sq/m) - Image 5](https://m.media-amazon.com/images/I/51BI49fvX2L.jpg)

## Available Options

This product comes in different **Model** options.

## Questions & Answers

**Q: So that's 100 square metres, just checking**
A: Hello, yes it will be 100 square metres.
Kind regards 
Matt

**Q: Is this product uv resistant? How does it last being out in the elements?**
A: Not sure how UV resiatant. Certainly other black plastic I have had has lasted some years. I will have to wait and see

**Q: Is this safe to use as a liner in raised beds growing vegetables?**
A: Yes I think so

**Q: could this be possibly used as a pond liner?**
A: I don't think so... Did not seem thick or robust enough and it did deteriorate in condition after approx a year possibly due to sunlight

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by C***G on 10 July 2025*

Did what it needed to vet large and thick , good damp proof layer for when I did a patio and new shed base

### ⭐⭐⭐⭐⭐ Strong and good
*by A***S on 16 July 2025*

Best weed (garden cover) I have found

### ⭐⭐⭐⭐⭐ Fit for purpose and more
*by W***. on 16 June 2025*

I bought it to use under wall insulation boards in my workshop. I am so happy I bought it with the last heavy rains water came through underneath. It has protection the insulation boards perfect.

## Frequently Bought Together

- Heavy Duty Black Polythene Sheet - Damp Proof Membrane - DPM 300 Mu - 1200 Gauge - 4 Metre x 25 Metre - (100 sq/m)
- Crimson Starfish Black Duct Tape | 6 Rolls of 48mm x 45m Gaffer Tape | Water Resistant Duct Tape | Adhesive Tape Multi-Use for Indoor/Outdoor | Strong Adhesive Tape

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**Shop now:** [https://www.desertcart.ie/products/54672641-heavy-duty-black-polythene-sheet-damp-proof-membrane-dpm-300](https://www.desertcart.ie/products/54672641-heavy-duty-black-polythene-sheet-damp-proof-membrane-dpm-300)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-10*