Discover the exceptional Permavent Leto Breathable Roofing Felt 175gsm 1.5x50mtr, a high-performance breather membrane designed for roofing applications. With outstanding water resistance (W1) and superior water vapour transmission (sd 0.02 m), it ensures durability and protection. Its impressive nail tear resistance and tensile strength make it ideal for various weather conditions, while its flexibility at -40°C guarantees reliability in colder climates. Enhance your roofing project with this essential product.

Features & Benefits:

• Breathable membrane for effective moisture control.
• Lightweight design at 175g per square metre for easy handling.
• High nail tear resistance for durability and reliability.
• Excellent water penetration resistance to protect roofing.
• Low water vapour transmission for enhanced breathability.
• Flexible at low temperatures down to -40°C for all-weather performance.
• Suitable for various roofing applications.
• Provides wind uplift resistance for secure installation.

Applications:

• Residential roofing
• Commercial roofing
• New build construction
• Renovation projects
• Flat roofs
• Pitched roofs
• Under tile applications
• Under slate applications

Technical Data:

• Brand - Permavent
• Range - Leto
• Product Type - Roofing Breather Felt / Membrane
• Weight Per Square Metre - 175g
• Width - 1.5mtr
• Length - 50mtr
• Resistance To Water Penetration, Class - W1
• Water Vapour Transmission Properties (sd) - 0.02mtr
• Nail Tear Resistance (MD) (EN12310-1) - 350N/50mm
• Nail Tear Resistance (CD) (EN12310-1) - 240N/50mm
• Tensile Strength (MD) (EN12311-1) - 240N/50mm
• Tensile Strength (CD) (EN12311-1) - 230N/50mm
• Flexibility At Low Temperature (EN1109:2013) - -40°C
• Reaction To Fire, Class - E
• Wind Uplift Resistance (Taped Lap) - Class 1–5
• Wind Uplift Resistance (Battened Lap) - Class 1–4

Standards & Certifications:

• BBA certification
• UKCA marking

Transform your roofing project with the exceptional Permavent Leto Breathable Roofing Felt 175gsm 1.5x50mtr, designed for superior water resistance and durability, available now online or at our London shops.