• For ventilating boilers, stoves and fires, HETAS approved for use with solid fuel appliances.
• As a plastic component this item is not suitable for use within the external walls of high-rise buildings requiring non-combustible materials.

• For ventilating boilers, stoves and fires, HETAS approved for use with solid fuel appliances.
• As a plastic component this item is not suitable for use within the external walls of high-rise buildings requiring non-combustible materials.

Plastic, telescopic cavity liner set with external cowl for ventilating boilers, stoves and fires, compliant with BS 5440-2.

Features and benefits:

• External cowl protects against excessive weather conditions and alleviates air blasts through the cavity.
• Telescopic cavity liner contains an internal baffle to reduce light and draughts.
• Finished with a fixed open flush fitting louvre ventilator internally.
• External water baffles prevent transfer of water across the cavity.
• Cowl, air brick and louvre grille UV stabilized to slow down the effects of sunlight.
• BRE verified equivalent area.

Components:

• Cowl.
• Multifix® Air Brick.
• AirLiner®.
• Louvre Grille.

Plastic, telescopic cavity liner set with external cowl for ventilating boilers, stoves and fires, compliant with BS 5440-2.

Features and benefits:

• External cowl protects against excessive weather conditions and alleviates air blasts through the cavity.
• Telescopic cavity liner contains an internal baffle to reduce light and draughts.
• Finished with a fixed open flush fitting louvre ventilator internally.
• External water baffles prevent transfer of water across the cavity.
• Cowl, air brick and louvre grille UV stabilized to slow down the effects of sunlight.
• BRE verified equivalent area.

Components:

• Cowl.
• Multifix® Air Brick.
• AirLiner®.
• Louvre Grille.