ThermaFlue is a high quality insulating sleeve for flexible flue liners. It is designed to be quick and easy to fit and robust in construction to prevent damage when pulling down through the chimney.
It is recommended that where chimneys are positioned on external Walls, or where the chimney void is particularly large, that the flexible flue liner is insulated. This is to prevent the flue gases from condensing which is highly corrosive and will result in the liner prematurely failing. Insulating a flexible flue liner helps maintain flue gas temperature and improve chimney and appliance performance.
ThermaFlue is manufactured in one metre sections and available in two widths: 125 – 150mm (5” – 6”) and 180 – 200mm (7”- 8”)
The inner wall is a high quality inflammable needled Glass fibre that provides excellent mechanical resistance and stability.
The outer wall is a moisture repellent inflammable silicone coated material.
A heavy duty ThermaFlue wrap for extreme temperatures is also available (ThermaFlue Plus)
Specification Details for Thermaflue Flexible Liner Insulation (Chimney Components)
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Docherty Chimney Group is consulted before specifying.
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