Description
Flat Roof Breather Vent – Ventilation Solution for Cold Deck Flat Roofs
Protect your roof from condensation and moisture damage with the Flat Roof Breather Vent — an essential component for ventilating insulated cold deck flat roofs.
Designed to improve airflow and regulate moisture, this vent helps prevent condensation build-up, extending the lifespan of your roofing system.

Improve Roof Ventilation & Prevent Moisture Damage
- Optimised Airflow – Promotes ventilation in cold deck roof structures
- Prevents Condensation Build-Up – Reduces risk of damp and structural damage
- Compatible with Flat Roof Systems – Suitable for single-ply and multi-layer roofs
- Durable EPDM Construction – Weather-resistant and long-lasting performance
- Water-Tight Installation – Designed for secure sealing with EPDM systems
- Low Maintenance Solution – Reliable, long-term roof ventilation
Essential for Cold Deck Roof Performance
Cold deck roofs require effective ventilation to prevent trapped moisture. This breather vent ensures continuous airflow, helping to reduce condensation and maintain structural integrity.
Ideal Applications
- Insulated cold deck flat roofs
- Residential and commercial roofing systems
- Single-ply membrane roofs
- Multi-layer flat roof builds
- Roofs prone to condensation issues
Product Specifications
- Diameter: 75mm
- Height: 270mm
- Material: EPDM
- Colour: Black
- Installation: Requires 9-inch uncured elastoform tape & EPDM primer
Why Use a Flat Roof Breather Vent?
Proper ventilation is critical in flat roof design. This vent helps balance airflow and moisture levels, reducing the risk of costly repairs caused by condensation and damp.
Frequently Asked Questions
What does a flat roof breather vent do?
It allows air to circulate within the roof structure, helping prevent condensation and moisture build-up.
Is this suitable for all flat roofs?
It is designed specifically for cold deck flat roofs and compatible with most systems.
How is it installed?
It is installed using EPDM primer and uncured tape to ensure a watertight seal.
Does it require maintenance?
No, it provides low-maintenance, long-term ventilation once installed correctly.
Why is ventilation important in flat roofs?
Without ventilation, moisture can build up, leading to damp, mould, and structural damage.
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