Description
Strotex Q-Performance Breathable Membrane 220g – 50m x 1m | CE Certified 4-Layer Roofing & Wall Membrane
Strotex Q-Performance 220g Breathable Membrane – Ultimate 4-Layer Roofing Underlay for Maximum Protection
The Strotex Q-Performance Breathable Membrane 220g (50m x 1m) is the highest-performing membrane in the Strotex range, engineered to deliver exceptional protection against moisture, wind, and harsh weather conditions while allowing water vapour to escape from within the building. Manufactured to British Standards and CE Certified, Strotex is recognised as the gold standard in breathable roofing membranes.
Constructed with a premium 220g/m² 4-layer fully permeable system, the Strotex Q-Performance membrane offers outstanding strength, durability, and breathability, making it the ideal choice for demanding residential, commercial, and timber frame construction projects. With a specification that exceeds all other membranes currently available on the market, it provides professional-grade performance where maximum protection is required.
Why Choose Strotex Q-Performance?
- Premium 220g/m² breathable membrane
- Advanced 4-layer fully permeable construction
- Roll size: 50m x 1m (50m² coverage)
- British Standard Approved
- CE Certified
- Highest specification in the Strotex range
- Superior vapour permeability to reduce condensation
- Excellent resistance to wind-driven rain and moisture ingress
- Outstanding tear resistance and durability
- Suitable for pitched roofs, timber frame walls, and external cladding systems
- Designed for professional roofing and construction applications
Industry-Leading Performance
Strotex breathable membranes are manufactured to significantly higher specifications than many competing products:
- Strotex 95g – Higher specification than equivalent market membranes
- Strotex 115g – Outperforms standard alternatives
- Strotex 135g – Higher specification than comparable products
- Strotex 150g – No direct market equivalent
- Strotex 170g – Exceeds equivalent market membranes
- Strotex 220g – Outperforms all other breathable membranes currently available
Advanced Moisture & Weather Protection
The Strotex Q-Performance Breathable Membrane creates an effective secondary protective barrier beneath roof coverings and external cladding systems. It prevents moisture that penetrates the outer roof covering from reaching the building structure while allowing trapped water vapour to escape, helping reduce condensation and protect insulation performance.
It also helps safeguard your building against:
- Wind-driven rain
- Moisture ingress
- Dust and dirt
- External environmental contaminants
Its advanced 4-layer construction provides enhanced durability, making it an excellent choice for projects requiring superior long-term weather protection.
Product Specifications
- Brand: Strotex
- Product: Q-Performance Breathable Membrane
- Weight: 220g/m²
- Construction: 4-Layer Fully Permeable System
- Roll Size: 50m x 1m
- Coverage: 50m²
- Certification: CE Certified
- Compliance: British Standards
- Colour: As shown in the second product image
The Premium Choice for Roofing Professionals
The Strotex range is designed to meet the demands of every roofing project, from standard residential installations to high-performance commercial applications. As the flagship product in the range, Strotex Q-Performance 220g delivers the highest level of strength, breathability, and weather resistance, making it the preferred choice for roofing contractors, builders, and developers who require uncompromising performance.
Choose the Strotex Q-Performance Breathable Membrane 220g – 50m x 1m for a premium, professional-grade roofing underlay that provides industry-leading durability, exceptional breathability, and long-lasting protection for residential and commercial roofing systems.

