FAQs – Wall Membranes
What is a wall membrane and why is it important?
A wall membrane is a protective barrier used in building construction to control moisture, air infiltration, and vapour diffusion. It helps prevent water damage, improves energy efficiency, and enhances the durability of the building envelope.
What is the difference between a breather membrane and a vapour control layer?
A breather membrane is installed on the external side of insulation, allowing moisture vapour to escape while preventing rain and wind penetration. A vapour control layer (VCL) is positioned on the warm side of insulation to limit the movement of moisture into the structure, preventing condensation buildup.
Where should a wall membrane be installed?
The placement of a wall membrane depends on its function. Breather membranes go on the external side of insulation, while vapour control layers and airtight membranes are positioned internally to manage moisture and airflow effectively.
Can wall membranes improve energy efficiency?
Yes, wall membranes help reduce air leakage, ensuring insulation performs as intended. By creating a more airtight building, they lower heat loss and contribute to reduced heating and cooling costs.
Are wall membranes suitable for all types of buildings?
Wall membranes are used in a variety of buildings, including residential homes, commercial buildings, and industrial structures. They are essential in timber-frame, steel-frame, and masonry constructions to enhance protection and energy performance.
Do wall membranes help prevent condensation?
Yes, a correctly installed wall membrane system manages moisture movement, preventing condensation from forming within walls. This helps to protect insulation and structural components from mould and long-term damage.
How do I choose the right wall membrane for my project?
The choice of wall membrane depends on factors such as building type, climate conditions, and insulation materials. Breather membranes are best for external weather protection, while vapour control layers are essential for internal moisture management.
What is the lifespan of a wall membrane?
High-quality wall membranes, like those from Novia, are designed to last the lifetime of the building when installed correctly. They provide long-term protection against environmental factors.
Can wall membranes be used in renovations and retrofits?
Yes, wall membranes can be installed in both new builds and retrofit projects. They help improve airtightness, energy efficiency, and moisture protection in older buildings.
How quickly can wall membranes be delivered?
We offer fast UK delivery, typically within 1-2 working days, so you can get your materials quickly and keep your project on track.
