Hepworth Ventilation Terminal Fluvent Buff 180mm YL12B

An AirGuard® vapour control layer can significantly reduce heat loss and increase energy efficiency. By controlling heat transfer and reflecting heat inside the building, they help keep buildings cool in summer, and warm in winter. AirGuard® AVCLs offer highly engineered vapour control, to help your project meet sustainable building requirements and achieve environmental goals. Using AirGuard® AVCLs for internal walls and insulating external walls with Tyvek® breather membranes creates a building envelope that is airtight and vapour-open. Together, they provide a holistic solution for optimum energy efficiency and interior comfort.

Tyvek® Housewrap Breather membranes are a highly water resistant, vapour permeable membrane sheets suitable for use as a secondary protective layer in timber and steel frames as well as concrete wall systems. They offer excellent protection against external weather conditions whilst remaining dry with its unique breathable properties.

At 2.6mm thick, this is a tough, lightweight corrugated roofing material, manufactured from bitumen saturated organic fibres and is suitable for various roofing applications including garden sheds, garages, stables and agricultural buildings. It offers guaranteed waterproof protection for 15 years when fitted to manufacturers instructions.

Vistalux corrugated PVC is a lightweight, economic and easy to install rooflight sheet for a wide variety of outdoor uses. The British Standard superweight 1.3mm thick sheet can be used for heavy duty roofing applications such as car ports, covered walkways, porches, planthouses and more.