Marley Roof Defence is an intumescent roof fire barrier. It’s installed under tiles and between roofing battens to help prevent the spread of fire and smoke between adjoining properties.
Marley Roof Defence provides full fire protection from one roof space to the next, achieving up to a 60 minute fire rating. It is used to retard the spread of fire and smoke in semi-detached and terraced properties, flats, schools, hospitals, and care homes with no maintenance required after installation.
- Helps prevent fire and smoke spreading between adjoining properties
- Provides fire resistance performance up to 60 minutes
- Used to protect multi-home compartments and shared roof space buildings
- Quick, easy and simple to install
- Market-leading fire performance
- 15 year warranty for extra peace of mind
In the event of a fire Roof Defence intumescent material will expand to close the gap between the top of the wall/spandrel panel and the roof/ridge tiles, whilst also separating the roof batten and ridge tile timbers, providing effective fire resistance for 60 minutes, depending upon the non-combustibility of the roof covering (tiles) and the construction of the compartment/party wall.
Roof Defence is manufactured from low smoke zero halogen, highly intumescent flexible material.
Overall Nominal Thickness: 10mm
Nominal Weight: 2.8kg
Sleeve Material: PE
Transportation storage temperature: 0-30°C
Cuttability: Cut to length using scissors or knife
Compressability: Do not compress
Working Life: >60 years
Substrate/Base material: Spandrel panel OR masonry
Maximum Air Gap: 96mm
Density: 615 kg/m3
Fungal Resistance: Protected by polythene sleeve
Density: 630 kg/m3
Free Expansion: 30:1 ratio
Activation Temperature: 180-200°C
Reaction to Fire Classification: E
Resistance to Fire: BS EN 1363-1 2012 & ASFP TGD 19
Design and technical support
Dedicated technical team available to make things simple.