Roof & Wall Cowls

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

Displaying 1 to 24 (of 47 products)
Dektite Combo Pipe Flashing - DC210REC
Dektite Combo Pipe Flashing - DC210REC
£ 589.00
Dektite® Combo SIZE: 350 - 760mm Flash over or around Use as standard Dektite®, or when retrofit is required, cut and fit around pipe and join with clips (supplied). Perfect for Flashing Pipes...
Elta Wall Cowl SWC25/31
Elta Wall Cowl SWC25/31
£ 138.37
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 ...
Elta Wall Cowl SWC35/40
Elta Wall Cowl SWC35/40
£ 145.74
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 ...
Elta Wall Cowl SWC45/50
Elta Wall Cowl SWC45/50
£ 203.02
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 ...
Elta Wall Cowl SWC56/63
Elta Wall Cowl SWC56/63
£ 301.70
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 ...
Flat Roof Terminal -OFT 1 - Felt & Asphalt 110mm
Flat Roof Terminal -OFT 1 - Felt & Asphalt 110mm
£ 37.45
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 110mm, With the spigot...
Flat Roof Terminal -OFT 5 - Asphalt
Flat Roof Terminal -OFT 5 - Asphalt
£ 97.37
OFT 5 Flat Roof Vent/Terminal This is the 150mm version. Product features and benefits: *Large free vent area/Low Pa resistance Application: Allows termination through a flat roof to ducting up...
Flat Roof Terminal -OFT 5 - Bitumen
Flat Roof Terminal -OFT 5 - Bitumen
£ 97.37
OFT 5 Flat Roof Vent/Terminal This is the 150mm version. Product features and benefits: *Large free vent area/Low Pa resistance Application: Allows termination through a flat roof to ducting up...
Flat Roof Terminal -OFT 5 - EPDM
Flat Roof Terminal -OFT 5 - EPDM
£ 95.23
OFT 5 Flat Roof Vent/Terminal This is the 150mm version. Product features and benefits: *Large free vent area/Low Pa resistance Application: Allows termination through a flat roof to ducting up...
Helios DDF-200 Roof Cowl
Helios DDF-200 Roof Cowl
£ 156.60
Helios DDF-200 Roof Cowl, suitable for 200mm duct. Please ask for details of other sizes....
Helios DDF-250 Roof Cowl
Helios DDF-250 Roof Cowl
£ 169.95
Helios DDF-250 Roof Cowl, suitable for 250mm duct. Please ask for details of other sizes....
Helios DDF-315 Roof Cowl
Helios DDF-315 Roof Cowl
£ 222.39
Helios DDF-315 Roof Cowl, suitable for 315mm duct. Please ask for details of other sizes....
Helios DDF-400 Roof Cowl
Helios DDF-400 Roof Cowl
£ 353.98
Helios DDF-400 Roof Cowl, suitable for 400mm duct. Please ask for details of other sizes....
Jet Cowl Ventilation Outlet - HN
Jet Cowl Ventilation Outlet - HN
£ 234.33
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 vicinit...
Miniflow SMF Horizontal Roof Cowl SMF13
Miniflow SMF Horizontal Roof Cowl SMF13
£ 100.30
Miniflow SMF Horizontal Roof Cowl SMF13 Applications This unit is ideally suited for toilets, bathrooms and shower rooms. Max Duty - 360 m3/hr Casing The top cowl and fan support hous...
Miniflow SMF Horizontal Roof Cowl SMF20/30
Miniflow SMF Horizontal Roof Cowl SMF20/30
£ 146.10
Miniflow SMF Horizontal Roof Cowl SMF20/30 Applications This unit is ideally suited for toilets, bathrooms and shower rooms. Max Duty - 1,800 m3/hr Casing The top cowl and fan support...
Roof Axial Cowl - RAW1000
Roof Axial Cowl - RAW1000
£ 1,336.99
Roof Axial Cowl ONLY - RAW1000 Suitable for Plate Axial fans. Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Roof Axial Cowl - RAW250
Roof Axial Cowl - RAW250
£ 271.03
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....
Roof Axial Cowl - RAW315
Roof Axial Cowl - RAW315
£ 327.73
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....
Roof Axial Cowl - RAW350
Roof Axial Cowl - RAW350
£ 327.73
Roof Axial Cowl ONLY - RA350 to suit Plate Axial Fan 350mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Roof Axial Cowl - RAW400/450
Roof Axial Cowl - RAW400/450
£ 327.73
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....
Roof Axial Cowl - RAW500 / 560
Roof Axial Cowl - RAW500 / 560
£ 509.17
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....
Roof Axial Cowl - RAW630 / 710
Roof Axial Cowl - RAW630 / 710
£ 622.57
Roof Axial Cowl ONLY - RAW630/710 Suitable for 630mm & 710mm Plate Axial fans. See Download on next Tab...
Roof Axial Cowl - RAW800
Roof Axial Cowl - RAW800
£ 962.77
Roof Axial Cowl ONLY - RAW800 Suitable for 800mm Plate Axial fans. Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Displaying 1 to 24 (of 47 products)
1 x Compact SCD450/4-3AC1 x Ducting T Piece Equal - 250mm1 x Soler & Palau - Contra Rotating TCBTx2-450 - IP651 x Duct Suspension Rings - 250mm1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x Anti Vibration Duct Suspension Rings - 250m1 x Raptor SDA450/4-1AC1 x Soler & Palau - TGT/4-450-6/0.55kW 32 Degree1 x Flanged Spigot - 250mm1 x Male Ducting Connector - 100mm1 x Elta SLC450/2-1AC - IP551 x Belt Drive Cased Axial Fan - 450mm - L version1 x Female Ducting Connector - 250mm1 x Elta SLC450-1EC -IE5 Motor- IP551 x Helios GigaBox 560mm GBW 560/4 centrifugal1 x *VORT HRW 30 MONO Evo - Single Room Heat Recovery Unit,1 x Soler & Palau - HCBT/6-400/H - IP651 x GEO Ground Source Heat Exchanger1 x Ancillary Pack for SLC-900 for SLC900/6A-3AC and SLC900/6B-3AC1 x SPI-200 C Iris damper1 x Anti Vibration Duct Suspension Rings - 355mm1 x Miniflow SMF Horizontal Roof Cowl SMF131 x 204x60mm Double Airbrick Adapter1 x Ancillary Pack for SLC-5001 x EM30-24 Control Panel Commissioning Service1 x Roof Axial Cowl - RAW10001 x Elta ACO Panel 149-ACO14E1 x 204x60mm Elbow Bend with 150mm Fixed Spigot1 x 204x60mm Elbow Bend with 100mm Fixed Spigot1 x CBMT/Q 125-12 1 HEATER KIT1 x CADB/T-HE PRO-REG Series1 x Ducting Reducers Short - 355mm-315mm1 x HR-500 DP Heat Exchange Unit1 x Slotted channel1 x Helios - HQD 250/21 x Ancillary Pack for SB-Biflow 400 model1 x Hydor Typhoon Circulation Fans - HVFB - 450mm1 x Ancillary Pack for SLC-900 for SLC900/4B-3AC1 x ACO 149-ACO1/EDV1 x Ancillary Pack for SLC-4501 x ACO8AC/EC AutoChangeover panel1 x Airvent Ceiling Sweep Fan - 48 inch - 4441231 x HRT/4-400-BPN1 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC1 x CBMT/Q 315-120 3 HEATER KIT1 x 204x60mm x 1m Low Profile Plastic Ducting - 1 Meter
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...