TL8FIRE – Rytons 9×3 Intumescent RytBlock

Free Area:

• 5,330mm² (53.3cm²) per unit.

Size:

• 206mm L x 58mm H x 44mm D (see image gallery above).
• CAD drawing available by email.

Colours:

• Steel grey.

Composition:

• Z275 galvanised steel framework.
• Metal slats with graphite intumescent core.

Installation:

• Refer to the Documents tab above for fitting instructions according to application.
• Insert into Rytons 9×3 AirLiner^® cavity liner and bed into position with an intumescent sealant.
• Due to the majority of house fires starting inside the home, we recommend positioning the block at the internal end of the adjustable cavity liner sleeve.
• Alternatively/additionally, if there is an identified risk of a fire starting externally, position the intumescent block behind the air brick.
• The upper edge of the intumescent grille should be no higher than 3m from floor level.
• The lower edge of the intumescent grille should be no closer than 200mm to floor level.

Handling Information:

• Weight: 0.373kg.

Reference Material:

• BS 476-20:1987 – Fire tests on building materials and structures.  Method for determination of the fire resistance of elements of construction (general principles).
• BS 476-22:1987 – Fire tests on building materials and structures.  Method for determination of the fire resistance of non-loadbearing elements of construction.
• BS EN 1634-1:2014 – Fire resistance and smoke control tests for door and shutter assemblies, openable windows and elements of building hardware.  Fire resistance test for door and shutter assemblies and openable windows.
• BS EN 1364-5:2017 – Fire resistance tests for non-loadbearing elements.  Air transfer grilles.
• European fire protection classification EI (Insulation).  The ability of a specimen of a separating element to restrict the temperature rise of the unexposed face to below specified levels.

NBS Specification: