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Kompozit'All UK

Kompozit'All UK

Advanced Lining Solutions

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Cathedral Ventilation Lining

Cathedral Ventilation Lining

Kompozit'All UK

application area: commercial ventilationuse type: offices, choir roomsproject scope: reline with minimal access to ductadded value: 25-year guarantee on air-tight and one-piece linerBackgroundThe 12 existing chimney flues had to be lined to be made suitable for ventilation to serve the newly refurbished building. From each room the flues were lined with VentilFlex-25 Green up to the attic level and out the top of the chimney. The team had to carry out a precision job in a confined space with minimal access to the duct.Statement of workVentilFlex-25 Green was chosen for this project because of its versatility and its long life span. The liner is light and comes as a soft and folded tube, which makes it easy to transport and to lower into the ventilation duct. Once in position, the liner is inflated and heated up, gradually assuming and maximising the internal dimensions of the existing ventilation duct. The resulting one-piece liner is corrosion resistant, completely air-tight and it carries a comprehensive 25-year guarantee.
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Georgian Fireplace Renovation

Georgian Fireplace Renovation

Kompozit'All UK

application area: heritageuse type: wood fireplace in country mansionproject scope: restore georgian fireplaces, keep large fireplace openingadded value: non-destructive solution, ideal for heritage buildings BackgroundThe 18th Century Georgian Country House is a Grade 1 listed building and also English Heritage. The owners of the Derbyshire home wanted to use the original antique fireplaces with the existing large openings. The pargetting in the chimneys had fallen away and the mortar joints were leaking into different parts of the building. Lining with stainless steel liners was not feasible here as it would have compromised the cross sectional area of the chimney and the fireplace opening would have had to be closed down considerably.Due to the protected status of the building extra caution had to be exercised to minimise the effects of the works carried out to the interior of the building.Statement of workThe installation was quick and it did not impact the structure of the building. 4x Furanflex RWV liners were installed, each was finished within a day’s work, making it possible to use the period fireplaces once again. The most important requirement was to keep the current chimney sizes the same. This was made possible by FuranFlex25, which was inflated inside the chimney flue to expand into the available space, maximising the lined flue size.
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Grade II Listed Kitchen Extract

Grade II Listed Kitchen Extract

Kompozit'All UK

application area: commercial kitchen extractuse type: school kitchen air extractionproject scope: line brick duct with four linersadded value: 25-year guarantee on liner, no need to fit and maintain chimney fansBackgroundVentilFlex-25 engineers were to supply and install a bespoke kitchen canopy solution for a grade 2 listed school building in Hampshire. The bespoke canopy could not be fixed to the walls or the ceiling, which was 14 meters high.The 20-metre ventilation shaft had metal supporting crossbars. This made it impossible for any rigid extraction ducting system to be installed without affecting the integrity of the structure. The client opted for a kitchen extraction system with a different approach – VentilFlex-25 RKV – a composite liner solution supplied in a flat and soft state. The bespoke-made liners are useful for ducts where access is difficult or if the duct has bends and offsets.The main challenge of this installation was to insert and inflate 4 VentilFlex-25 RKV liners simultaneously. This way the liners would fill the available duct space evenly and act as a single large liner.Statement of workThe steaming took a few hours, during which the high temperature started a chemical reaction in the composite structure which solidified the resin and gave the liners their final physical characteristics – tensile strength, high corrosion-resistance, high heat-resistance and an air-tight finish. The new VentilFlex-25 RKV liners provide an outlet for the gases coming from 3 combi ovens, 2 range ovens a fryer and a grill.
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Heritage Open Gas Fireplace

Heritage Open Gas Fireplace

Kompozit'All UK

application area: domestic heatinguse type: gas fireplaceproject scope: reline leaking chimneys while maximising the flue sizeadded value: 25-year guarantee on liner, no need to fit and maintain chimney fansBackgroundTwo chimneys failed the smoke test in this heritage property located in Hertfordshire. The chimneys had to be lined to comply with fire safety regulations. Domestic chimneys often require a chimney fan after lining as traditional rigid liners restrict much of the original flue opening. Chimney fans can be expensive to fit and maintain. FuranFlex-25 linings use the maximum flue opening, which often means there's no need to fit a noisy fan.Statement of workThe had to line both chimneys and prevent further leaks before the gas fireplaces could be fitted. This was achieved using FuranFlex-25 RWV liners, which are rated for operating temperatures up to 450 degrees C. The liners were specially produced to fit the flue diameter and length, accommodating any flue bends. The soft FuranFlex liners tube are inflated using pressurised steam which will gently push the liners to extend into the chimney flue. Inflating with steam will also cause a chemical reaction which sets the material harder than steel. The finished liner is smooth, jointless and highly corrosion resistant. Thanks to the expert installation and strong product quality control, both liners are guaranteed to work for 25 years.
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Home Gas Fire Conversion

Home Gas Fire Conversion

Kompozit'All UK

application area: domestic heatinguse type: gas fireplace project scope: restore fireplaces, rebuild chimney, line chimney ductadded value: 25-year guarantee on liner, quick and clean install, non-destructiveBackgroundThe camera survey revealed cracks in the chimney flue of a large victorian house in Muswell Hill. To protect against carbon monoxide leaks, the chimneys had to be lined before the gas fireplaces could be fitted. A flexible and uninflated FuranFlex tube was placed inside the chimney duct. Each FuranFlex liner is produced to fit the dimensions of the duct. Hot steam is used to inflate and harden the liner, fixing it in position.Statement of workThe installation took one day per chimney. The jointless and air-tight liner provides good draught and a clean and safe operation for the fireplaces. When FuranFlex liners are inflated they take up the shape of the chimney, providing maximum lined diameter and natural draught.
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Hospital Kitchen Extract Lining

Hospital Kitchen Extract Lining

Kompozit'All UK

application area: commercialuse type: extraction of cooking gases from kitchenproject scope: line brick extraction shaft to prevent grease build-upadded value: 25-year guarantee on liner, minimal downtime, easily fitted due to flexible materialBackgroundThis Hospital in Portsmouth has a busy commercial kitchen supplying restaurants and residents. Increasing reports of fumes from the greased-up brick extraction ducts have been a concern.A survey of the riser and plantroom was carried out to determine the most suitable solution. VentilFle-25 RKV for kitchen extracts was the preferred option due to the reduced access to the 30-meter brick riser.Statement of workThe shaft had been in use without a kitchen extract liner for the extraction of kitchen gases. This was a concern due to grease build-up, which can result in unpleasant odours within the building.VentilFlex-25 kitchen extract lining system was the chosen alternative lining method, with its jointless design, excellent heat resistance and fire rating, and crucially, an installation method that only required access at the top and the bottom of the riser.
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School Heating Renovation

School Heating Renovation

Kompozit'All UK

application area: commercial gas heatinguse type: condensing gas boilersproject scope: line commercial freestanding chimney for condensing operationadded value: corrosion-resistant, air-tight and waterproof finishBackgroundThe combustion gases from the school's boiler room are exhausted through a freestanding 28-metre brick chimney. The structure was not suitable for the wet operation of condensing boilers. FuranFlex-25 Black was the chosen lining material.The new boiler plant required a 500mm diameter flue liner but the chimney could not accommodate a rigid liner this size. A FuranFlex25 Black liner was therefore specified as it expands into the rectangular flue shape when inflated with steam.Statement of workFuranFlex25 comes as a folded and soft tube. Inflating with steam irreversably hardens the liner fixing it in place. Within a few hours of steaming the liner was ready for connecting to the boilers. The appropriate adaptors/terminals were fitted making the chimney ready for operation.
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Town Council Heating Repair

Town Council Heating Repair

Kompozit'All UK

application area: commercial heatinguse type: industrial condensing boilersproject scope: preserve rectangular flue shape and maintain lined diameteradded value: quick and efficient installation with minimal downtime and disruption to the building structureBackgroundTwo new high efficiency condensing boilers fitted into the basement of a nine-story office block (Dublin Civic Offices, Ireland) using two separate brick lined chimneys that rose through the nine floors and exited on the rooftop.The brick chimneys posed a problem as the chambers measered 300mm x 450mm no standard 350mm flue liner would fit. Due to the pliability of Furnflex, the liner was able to take up an oval shape in the chamber giving it the full 350mm required. This building is an extremely busy high-profile office block therefore minimum disruption to day to day business was required.Statement of workFollowing an onsite survey, Furanflex was deemed the ideal solution to line both chimneys. The installations were carried out over two weekends, one for each chimney, with no disruption to the office operations. The project completed on time and within budget.

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