QA Certificate
Certificate type
One-hour fire rated cavity closer.
For openings in cavity walls.
One-hour fire-rated, fully insulated cavity closer system. Creates a continuous ring of fire protection around openings in cavity walls, combing cavity closer and cavity fire barrier in one product. They feature foil-encased fire insulation that reflects flames and heat and prevents moisture penetration.
Features and benefits:
Application:
For openings in cavity walls.
Features | Provides a damp proof course around the opening, provides a thermal break, simplifies brickwork. Zerto Global Warming Potential (GWP) and Ozone Depleting Potential (ODP) |
Finish | Foil wrapped |
Material | Recycled extruded PVC-U with Knauf Ecose mineral wool insulation core |
Size | 3600–4800 mm in length |
Uniclass 2015 | |
CAWS | F30/18 Cavity closers F30/180 Cavity closers |
Product Reference | FlameBlok |
Third-party certification | Chiltern International Fire Certificate |
Accessories | BBMOUBigBlok corner. BBTIEBrick ties. BOOT14Brace boot. CAVBRBOXBracing bar. CAVBOOTBrace boot. FLBFILFire corner fillet, length: 1200 mm. |
To fit cavity width | 50 mm4800 mm long. 75 mm3600 mm long. 100 mm4800 mm long. 125 mm4800 mm long. 150 mm4800 mm long. |
FireRating | 60 minute integrity and insulation in masonry construction, 60 minute integrity and 45 minute insulation in frame construction, check reveal and flush reveal tested |
R-Value (minimum) | 0.77 m²k/W |
Standard product features | Colour: White. Features: Provides a damp proof course around the opening, provides a thermal break, simplifies brickwork. Zerto Global Warming Potential (GWP) and Ozone Depleting Potential (ODP). Finish: Foil wrapped. Material: Recycled extruded PVC-U with Knauf Ecose mineral wool insulation core. Size: 3600–4800 mm in length. Recycled content: PVC-U 100% recycled, insulation 60% recycled. Recyclability: PVC-U element recyclable. Country of origin: UK. |
Recyclability | PVC-U element recyclable |
Recycled content | PVC-U 100% recycled, insulation 60% recycled |