Welcome to Just Fans Ltd

Roof & Wall Cowls

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Extract cowls to keep the weather out, mounted externally on roofs.

Displaying 1 to 34 (of 34 products)
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  • Ubbink's UB17 slate space vent is a roof void ventilator for use in slates. The base as supplied is a direct replacement for a 600mm x 300mm slate. When the 25mm side bands are trimmed off and the inner set of fixing points is used, the unit is then ...
    Model : UB17

    Our Price:  £19.99

  • UB47 Universal Insulated Terminal Design & Performance The insulated terminal offers greater efficiency for the modern heat recovery domestic ventilation systems when terminated through the pitch of a roof. They are suitable for natural (passive) ...
    Model : UB47

    Our Price:  £62.50

  • Ubbink Universal Tile Vents -UB41 Ubbink's universal roof vent is suitable in most tiled and slated pitched roofs without the need to identify the make or design of the tiles and slates. UB41's comprise of a hood on a circular upstand (160mm dia) ...
    Model : UB41

    Our Price:  £42.00

  • SWC FibreGlass Wall Cowl. Suitable for fans 250mm & 315mm • Protects fan openings prevailing weather conditions • Minimises resistance to airflow • Manufactured from GRP - colour (goose wing grey) impregnated into gel coat • Complete with integra ...
    Model : SWC25/31

    Our Price:  £64.00

  • SWC FibreGlass Wall Cowl. Suitable for fans 350mm & 400mm • Protects fan openings prevailing weather conditions • Minimises resistance to airflow • Manufactured from GRP - colour (goose wing grey) impregnated into gel coat • Complete with integra ...
    Model : SWC35/40

    Our Price:  £94.00

  • SWC FibreGlass Wall Cowl. Suitable for fans 450mm & 500mm • Protects fan openings prevailing weather conditions • Minimises resistance to airflow • Manufactured from GRP - colour (goose wing grey) impregnated into gel coat • Complete with integra ...
    Model : SWC45/50

    Our Price:  £138.00

  • SWC FibreGlass Wall Cowl. Suitable for fans 560mm & 630mm • Protects fan openings prevailing weather conditions • Minimises resistance to airflow • Manufactured from GRP - colour (goose wing grey) impregnated into gel coat • Complete with integra ...
    Model : SWC56/63

    Our Price:  £193.00

  • OFT 1 Flat Roof Vent/Terminal Product features and benefits: *Large free vent area/Low Pa resistance Application: Allows termination through a flat roof to ducting up to 166mm, With the spigot cut to 50mm allows ventilation into a flat roof t ...
    Model : OFT-1

    Our Price:  £35.00

  • Helios DDF-315 Roof Cowl ...
    Model : DDF-315

    Our Price:  £169.00

  • Jet Cowl Ventilation hood for air exit above roof, suitable for both industrial and comfort ventilation. The air is ejected in an upwards-directed jet. This avoids contaminating the air in the vicinity of the hood, and soiling of the area around the ...
    Model : HN

    Our Price:  £99.00

  • Roof Axial Cowl ONLY - RAW1000 Suitable for Plate Axial fans. Download resistance charts HERE. See sizes of the cowl and base requirements HERE. ...
    Model : RAW1000

    Our Price:  £929.35

  • Roof Axial Cowl ONLY - RA250 to suit Plate Axial Fan 200mm or 250mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE. ...
    Model : RAW250

    Our Price:  £181.59

  • Roof Axial Cowl ONLY - RA315 to suit Plate Axial Fan 300mm or 315mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE. ...
    Model : RAW315

    Our Price:  £223.45

  • Roof Axial Cowl ONLY - RA350 to suit Plate Axial Fan 350mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE. ...
    Model : RAW350

    Our Price:  £223.45

  • Roof Axial Cowl ONLY - RA450 to suit Plate Axial Fan 400mm or 450mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE. ...
    Model : RAW450

    Our Price:  £272.00

  • Roof Axial Cowl ONLY - RA560 to suit Plate Axial Fan 500mm or 560mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE. ...
    Model : RAW500/560C

    Our Price:  £351.80

  • Roof Axial Cowl ONLY - RAW630 Suitable for 630mm & 710mm Plate Axial fans. Download resistance charts HERE. See sizes of the cowl and base requirements HERE. ...
    Model : RAW630C

    Our Price:  £419.00

  • Roof Axial Cowl ONLY - RAW800 Suitable for 800mm Plate Axial fans. Download resistance charts HERE. See sizes of the cowl and base requirements HERE. ...
    Model : RAW800

    Our Price:  £648.00

  • Galvanised Steel Vent Fitting - Cowl - Provided with a female connection which fits outside a ventilation duct. For sizes select above. ...
    Model : HU

    Our Price:  £29.00

  • The VHE Roof Cowl can be used for air intake and ejection in both industrial and residential buildings. Typically, VHE roof cowl are made of galvanised sheet metal, but upon request they can also be made of acid-proof steel, aluminium or steel coa ...
    Model : VHE

    Our Price:  £13.04 £14.49

  • Dektite Original Flashing The original watertight flashing for hot or cold flues and pipes on metal roofs. A tough weather tight seal and a strong flexible base, the all-in-one flashing that started the revolution. Dektite flexible pipe flashings ...
    Model : DF-Circ

    Our Price:  £19.99

  • Dektite Ezi-Seal Flashing Dektite® EZi-Seal™ features a revolutionary closed-cell foam gasket which is non-absorbant and non-porous. It hugs the roof line to provide a watertight seal without the need for silicone. Dektite flexible pipe flashings ...
    Model : DFE

    Our Price:  £22.08

  • Dektite Red Silicon Flashing Perfect for Flashing Pipes on Metal Roofs Red Silicon Version so high temperature. (-50C to +250C) The multi-application flashing, edged with a flexible aluminium band, flashes hot or cold flues and pipes on metal roof ...
    Model : DFERE

    Our Price:  £29.00

  • The SELDEK- Aluminium won't stain or corrode roofs and gutters. The EPDM cone, which is trimmed on site to fit, is ingeniously locked to high grade and malleable 99.9% pure aluminium base. The fast economical way to flash a tile roof. • DEKS SDA100 ...
    Model : SDK

    Our Price:  £34.17

  • Skyflow SSR Horizontal Roof Cowl SSR25 Applications This unit is ideally suited for Small Industrial Units, Libaries, Hospitals, Offices, Banks and Retail Parks. Maintenance free, Up to 30 Degree roof angle Max Duty - 1,440 m3/hr Casin ...
    Model : SSR25

    Our Price:  £135.00

  • Skyflow SSR Horizontal Roof Cowl SSR31/35 Applications This unit is ideally suited for Small Industrial Units, Libaries, Hospitals, Offices, Banks and Retail Parks. Max Duty -2,160 m3/hr Casing The top cowl and fan support housing is ...
    Model : SSR31/35

    Our Price:  £205.00

  • Skyflow SSR Horizontal Roof Cowl SSR40/45 Applications This unit is ideally suited for Small Industrial Units, Libaries, Hospitals, Offices, Banks and Retail Parks. Max Duty -5,400 m3/hr Casing The top cowl and fan support housing is ...
    Model : SSR40/45

    Our Price:  £280.00

  • Skyflow SSR Horizontal Roof Cowl SSR50/56 Applications This unit is ideally suited for Small Industrial Units, Libaries, Hospitals, Offices, Banks and Retail Parks. Max Duty -16,200 m3/hr Casing The top cowl and fan support housing i ...
    Model : SSR50/56

    Our Price:  £340.00

  • Skyflow SSR Horizontal Roof Cowl SSR63/71 Applications This unit is ideally suited for Small Industrial Units, Libaries, Hospitals, Offices, Banks and Retail Parks. Max Duty -16,200 m3/hr Casing The top cowl and fan support housing i ...
    Model : SSR63/71

    Our Price:  £550.00

  • Skyflow SSR Horizontal Roof Cowl SSR80 Applications This unit is ideally suited for Small Industrial Units, Libaries, Hospitals, Offices, Banks and Retail Parks. Max Duty -14,400 m3/hr Casing The top cowl and fan support housing is ...
    Model : SSR80

    Our Price:  £699.00

  • Stepped adaptor is included for fitting to 100, 125 and 150mm ducting. Features Large free area of 20,000mm2 for high flow system performance Low profile design makes it unobtrusive on the roof line Easy installation and interlocking with adjacen ...
    Model : SLATE-VENT

    Our Price:  £59.00

  • TILEVENT Universal Roof Outlet is suitable for most popular interlocking and pan tiles. High performance and low resistance, ideal for heat recovery, positive input ventilation and standard extractors. Colour: Brown Not suitable for airflows ...
    Model : TILEVENTBR

    Our Price:  £59.00

  • TILEVENT Universal Roof Outlet is suitable for most popular interlocking and pan tiles. High performance and low resistance, ideal for heat recovery, positive input ventilation and standard extractors. Colour: Grey Not suitable for airflows ...
    Model : TILEVENTGRY

    Our Price:  £59.00

  • Provides weather protection for a 100mm PVCu rigid ducted outlet. (100mm inside diameter, 110mm outside) Pushfit and secured with solvent adhesive. Grey. Cowl diameter: 200mm w201 x h101 ...
    Model : VC10

    Our Price:  £22.85

Displaying 1 to 34 (of 34 products)
Result Pages:  1 
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