Overview
AI-Flex-Screw Fix accessories is a family of screw on installation fitting that have been perfectly designed for use with AI-Flex 316 and 904 flexible flue liners. When fitted in conjunction together It will make a full system chimney.
General Application
Theses items are to used in conjunction with AI-Flex multi fuel flexible flue liner. Building Regulations Document J requires that a flexible flue liner can only be installed completely enclosed inside a masonry chimney. A non masonry enclosure such as timber or plasterboard boxing in is not acceptable. All items are suitable for use on appliances up to 600°C (T600 designation). Suitable for use on Wood <20% moisture, Smokeless coal, Gas and oil.
Accessories
Accessories comprise of useful items commonly used when installing AI-Flex.
Specific Application
The AI Flues Screw-FIX Insulation Back Filler is a new concept to make the job of back filling your chimney with vermiculite as easy as possible when using a Screw-Fix pot hanging cowl.
Maintenance
The chimney system must be designed to allow for easy provision for sweeping and maintenance. Sweeping must be carried out by competent person. On solid fuel applications a list of HETAS registered sweeps can be found at www.hetas.co.uk. under no circumstances should chemical cleaners or mild steel tools be used to sweep stainless steel chimneys. Cleaning and inspection of the chimney system should be carried out at least once a year, along with maintenance of the appliance, but it is recommended that chimneys serving solid fuel appliances be swept at least twice a year, at the end of the heating season to remove any deposits, which may have built up during the season, and at the start of the next heating season to check for any blockages or deposits. I.e. birds nets.