---
product_id: 50241084
title: "Vent 3 Light 1 x 50m Breathable Roofing Underlay, Grey, 1 m"
brand: "cromar building products"
price: "₨4402"
currency: SCR
in_stock: true
reviews_count: 8
url: https://www.desertcart.sc/products/50241084-vent-3-light-1-x-50m-breathable-roofing-underlay-grey
store_origin: SC
region: Seychelles
---

# BBA Certified Tensile Strength Lightweight & Flexible Vent 3 Light 1 x 50m Breathable Roofing Underlay, Grey, 1 m

**Brand:** cromar building products
**Price:** ₨4402
**Availability:** ✅ In Stock

## Summary

> 🏗️ Elevate Your Roofing Game!

## Quick Answers

- **What is this?** Vent 3 Light 1 x 50m Breathable Roofing Underlay, Grey, 1 m by cromar building products
- **How much does it cost?** ₨4402 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/50241084-vent-3-light-1-x-50m-breathable-roofing-underlay-grey)

## Best For

- cromar building products enthusiasts

## Why This Product

- Trusted cromar building products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Manufactured in the UK:** Support local craftsmanship and innovation.
- • **Superior Tear Strength:** Built to withstand the toughest conditions.
- • **Efficient Breathability:** Promotes airflow while protecting your structure.
- • **BBA Certified Excellence:** Trust in quality with BBA certification.
- • **Lightweight & Flexible Design:** Easily adaptable for any roofing project.

## Overview

The Cromar Building Products Vent 3 Light 1 x 50m is a BBA certified, lightweight, and flexible breathable roofing underlay designed for superior performance. Manufactured in the UK, it features spun-bonded polypropylene layers that provide excellent tensile and tear strength, ensuring durability and reliability for your roofing needs.

## Description

Cromar Building Products Vent 3 Light 1 x 50m Breathable Roofing Underlay, Grey, 1 m

## Features

- Bba certified
- Lightweight & flexible
- Manufactured in UK
- Spun-bonded polypropylene layers with excellent tensile and tear strength

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Cromar Building Products |
| Part Number | Vent 3 Light 1 x 50m |
| Product Dimensions | 15.5 x 15.5 x 100 cm; 4.92 kg |
| Item model number | Vent 3 Light 1 x 50m |
| Size | 1 m |
| Colour | Grey |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Measurement System | Metric |
| Included Components | Breather membrane |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 4.92 kg |

## Images

![Vent 3 Light 1 x 50m Breathable Roofing Underlay, Grey, 1 m - Image 1](https://m.media-amazon.com/images/I/61LNZBJun9L.jpg)

## Questions & Answers

**Q: Has anyone ever had condensation issues with this?**
A: No condensation issues with this product. PLR

**Q: Can this be used on top of plywood as an underlay under shingles ? Thanks**
A: i used it on a concrete tiled rood, i can not see why this can not be used for your roof. as long as there is air flow under the shingles.

**Q: Is this product water proof**
A: Yes

**Q: Can this be used for hanging floor between joists?**
A: well it could but bear in mind that flooring joists and flooring move with foot traffic which could damage underlay

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Must have for any build outside.
  

*by M***M on Reviewed in the United Kingdom on 13 November 2023*

Great item that works as it should. Value for money. I'm very happy with it.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Does the job
  

*by P***R on Reviewed in the United Kingdom on 27 October 2024*

Moisture barrier underneath floorboards

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Excellent breathable membrane
  

*by A***P on Reviewed in the United Kingdom on 2 November 2024*

Good brand, well packaged and easy to use.  Takes staples well and easy to pull taut without fear of damage.

## Frequently Bought Together

- Cromar Building Products Vent 3 Light 1 x 50m Breathable Roofing Underlay, Grey, 1 m
- Stanley 1-TRA705T 8mm Heavy-Duty Staple (1000 Pieces), Yellow/ Black
- Stanley TR150HL SharpShooter Heavy Duty Staple Gun

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**Shop now:** [https://www.desertcart.sc/products/50241084-vent-3-light-1-x-50m-breathable-roofing-underlay-grey](https://www.desertcart.sc/products/50241084-vent-3-light-1-x-50m-breathable-roofing-underlay-grey)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-05*