Roof trim
Building supply
Ventilation Components
Air in at the eaves, out at the ridge.
- Fixing
- Component
- Category
- Building Supplies
Ridge vents, eaves ventilators, counter-battens and vermin mesh for a ventilated roof cavity.
Profile cross-section — schematic, not to scale
Overview
A ventilated cold roof works on one principle: air enters at the eaves, travels up the cavity above the insulation and leaves at the ridge, carrying moisture with it. Break that path anywhere and the roof starts collecting condensation instead of shedding it.
These components keep the path open — vented ridge closures, eaves ventilators sized to the cavity, counter-battens that form the cavity in the first place, and mesh that keeps birds and insects out without restricting the airflow.
Applications
- Ventilated cold roofs
- Ventilated facade cavities
- Re-roofing upgrades
- Condensation remediation
01
Continuous air path
Components sized so the cavity actually ventilates end to end.
02
Vermin protection
Mesh that excludes birds and insects without choking airflow.
03
Cavity forming
Counter-battens that establish and maintain the ventilation gap.
Technical data
Specifications
All VANKKA data is metric. Values are confirmed for your project at quotation and issued with the technical documentation.
Verified technical data for this product is being finalised. The data sheet structure below shows exactly what will be published — request the full technical documentation and our team will send the current figures for your project.
Specification
Documentation
Everything you need to specify it.
Data sheets, installation guides, CAD details, declarations of performance and warranty terms. Documents not yet published can be requested directly and will be sent by the technical team.
- RequestTechnical data sheet
Technical data sheet
Data sheetPDF
- RequestInstallation guide
Installation guide
Installation guidePDF
Gallery
Ventilation Components in use
Photography of this product in production and on completed buildings.
Ventilation Components on a completed building
Ventilation Components profile detail, raking light
Ventilation Components in production on the roll-forming line
Ventilation Components installed — junction and trim detail
Completes the system
Trims and accessories designed for this product
Ordered with the profile, these come from the same coil and the same batch — so they match exactly.
