ARC Eco-Closer 200mm

ARC Eco-Closer 200mm — Fire-Rated Cavity Closer for Masonry Construction

The ARC Eco-Closer 200mm (EC200PLUS) is a fire-rated, IFC third-party certificated cavity closer designed to close the cavity around window and door reveals in masonry construction. Rigorously tested to meet or exceed UK and Irish Building Regulations, it provides up to 60 minutes fire integrity while also preventing cold bridging and moisture ingress.

The Eco-Closer can be installed both vertically and horizontally, making it suitable for a wide range of reveal configurations in new build and renovation projects.

Key Features

• Up to 60 minutes fire integrity — IFC third-party certificated
• Closes cavity around window and door reveals in masonry walls
• Prevents cold bridging for improved thermal performance
• Integral DPC eliminates moisture, mould, and staining around openings
• Insulated with non-combustible rockfibre
• Compatible with 50–150mm cavity widths (for 150–300mm see Eco-Closer Plus)
• Single flange option available for check reveal details
• Installs vertically or horizontally
• Meets UK and Irish Building Regulations requirements

Typical Applications

• Window and door reveals in cavity masonry wall construction
• New build residential and light commercial projects
• Extensions and renovations requiring fire-rated cavity closure
• Projects requiring Part B (fire safety) and Part C (moisture resistance) compliance

Technical Specification

• Width: 200mm
• Cavity Width Range: 50–150mm
• Fire Rating: Up to 60 minutes integrity
• Insulation: Non-combustible rockfibre
• Certification: IFC third-party certificated
• Installation: Vertical or horizontal

Need help selecting the right cavity closer? Contact our team for expert advice and nationwide kerbside delivery.