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)
3 x BDS 800 RA b/d shutter1 x BDS 500/560 RA b/d shutter1 x Elta SLC450/4-1AC - IP551 x Soler & Palau - HXTR/4-560/H - IP541 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm1 x Helios GigaBox 450mm GBD 450 centrifugal - EC Motor1 x Soler & Palau - HCBT/6-560/H - IP651 x Soler & Palau - HXTR/4-315/H - IP541 x Belt Drive Cased Axial Fan - 450mm - H version1 x Ancillary Pack for SB-CYL 500 model1 x Elta SPA560/46-3AC - IP541 x Multiflow SMB450/4-3AC1 x Ancillary Pack for SB-Biflow 400 model1 x EuroSeries (ESP) - Plate Mounted Axial Fans 560-34-B2 x BDS 630/710 RA b/d shutter1 x Flexible PVC Ducting - 204x601 x Northern Ireland Surcharge1 x 204x60mm Rectangular to 100mm Round Adaptor1 x DV-ROF-V-225 Roof mounted unit1 x 204x60mm Elbow Bend with 150mm Fixed Spigot1 x 204x60mm Rectangular to 125mm Round Adaptor1 x Nicotra Direct Delivery Surcharge1 x Motorised Volume Control Damper - 400mm1 x SPI-250 C Iris damper1 x 220x90mm Mounting Clip (Individual)1 x 220x90mm Double Airbrick Adapter1 x Metal Inline Fan - VENT-315NK1 x Purlin Box 630/710 for RAW Cowls1 x HCFT/6-1000-HX plastic impeller plate fan1 x Purlin Box 350 for RAW Cowls1 x Inclined Kurb support for CTHB/6-4001 x Soler & Palau - HCFT/4-1000/H-X - IP551 x HV Wall Mounted Belt Drive Fan 1000mm 220V to 240V / 50Hz 0.75kW - Single Phase1 x Etaline 250mm - D2 01 3 Phase1 x Elta SPA500/4-1EC - IP541 x TD1000 Mixvent - 250mm1 x Etaline 250mm1 x HRB/4-500-30-APNC1 x HXP500/4-3 - 4 Pole - Three Phase1 x Silent 100 Window Kit - windowS1 x MEV Spider Additional Spigots1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 125mm Wall Duct - 350mm1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 400mm1 x Venturia Whole House Ventilation1 x Raptor SDA560/6-1AC1 x LINEO 200 QUIET ES2 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x BDS 300/315 RA b/d shutter1 x Belt Drive Cased Axial Fan - 450mm - L version1 x 125mm Round Connector1 x Belt Drive Cased Axial Fan - 500mm - L version1 x Flexible PVC Ducting - 110x541 x 110 x 54mm Rectangular Wall Plate1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Soler & Palau - HCBT/4-800/H-B FLOW ( Supply Air Fan) - IP551 x 110 x 54mm Elbow Bend Male1 x Soler & Palau - HCBT/4-800/L-AX - IP551 x HCFT/4-250mm plastic impeller plate fan1 x Elta HXP 800mm 6-Pole (Three Phase)1 x CBA-130 Inlet Flange for CBT-1301 x Kitchen Extract Grille with Grease Filter and External Wall Fan1 x DDMP 07/07 Mounting Flange1 x Elta Cased Axial Flange - 315mm1 x MV-Silent 250 Bathroom Extractor Fan Kit - Standard - No Timer1 x Acoustic Commercial Kitchen Inline Exhaust Fan - MPS (Three Phase) - 250mm1 x Commercial Thermostat - TH161 x Raptor SDA630/46-3AC1 x Balance S Diffuser - NO RING - 100mm1 x Helios GigaBox 355mm GBD 355/4/4 centrifugal1 x Round ceiling diffuser 300mm1 x Metal Inline Fan - VENT-355N1 x TD4000 Mixvent - 355mm1 x Differential Pressure Switch - 200 - 1000 Pa - IP541 x 110 x 54mm Short Rectangular to Round Adaptor male1 x Axial Roof mounted Extract/Supply Fan- -HCTT/4-1000-B 5.5kw1 x Universal Pipe Fixing Clip1 x BOX Hood - BOX-INOX-6001 x Belt Drive Cased Axial Fan - 500mm - H version1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x Flat Roof Terminal -OFT 5 - Asphalt
Air Quality Sensor - AQS
Air Quality Sensor - AQS
£ 98.29 now £ 65.00
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 ...