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 Soler & Palau - HCBT/4-450/H - IP651 x Fresh Air control carbon filter - 125mm1 x HQS Bathroom Axial Flow Fan - 125mm1 x AW 550 D6-2-EX Explosion Proof Axial Fan - ATEX1 x HIMF - Mixed Flow Fan 150mm Inline Fan1 x HXP500/6-1 - 6 Pole - Single Phase1 x ISA-ILHT-500/560/630 - Anti-vibration mounts1 x FN091-SDK.6N.V7P21 x Elta Cased Axial Flange - 250mm1 x Soler & Palau - HCBT/6-450/H - IP651 x HCFT/4-400/H-BPN E20,P 0.25KW1 x CBM 12/9 515W RE-VR1 x HCFT/4-450mm plastic impeller plate fan1 x Soler & Palau TCBT/6-800/G - IP651 x Soler & Palau TCBT/4-800/L - IP651 x Belt Drive Cased Axial Fan - 800mm - H version1 x HCF - Ceiling Fan 1400mm (56 inch)1 x Axial Roof mounted Extract/Supply Fan- -HCTT/4-900-B 5.5kw1 x Ancillary Pack for SLC-5001 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT630/4-3AC1 x Ancillary Pack for SB-Biflow 250 model1 x Ancillary Pack for SLC-900 for SLC900/6A-3AC and SLC900/6B-3AC1 x Contactor Interface Station - CI91 x CVAT Acoustic Kitchen Fan & Inverter Kit - CVAT/6-15000/710 ND - Pack 101 x 150mm - 100mm Round Reducer1 x Elta SCP560/4-1AC - IP551 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Helios HQW-560/4 - IP551 x 100mm Round Connector1 x Elta SPA560/46-3AC - IP541 x EC Trickle and boost module - IP561 x Duct Mounted Filter Box - G4 Grade Panel - 200mm1 x Duct Mounted Filter Box - G4 Grade Panel - 100mm1 x Impeller Side Guard - 315mm1 x BDS 350 RA b/d shutter1 x JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans1 x Elta SLC560/2-3AC with inverter Drive & APK Mounting Kit1 x 204x60mm 45 Degree Vertical Bend1 x Etamaster EM 200 EC 01 inline mix-vent fan1 x Elta SCP630/4-3AC - IP551 x Soler & Palau TCBT/6-560/H - IP651 x EM 250-E2M 01- Etamaster-2501 x Elta SLC560/4A-3AC - IP551 x 1mtr Round Ducting - 125mm1 x Elta SCP250-1EC - IP551 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x SG AW 1000 Guard 6-Pole1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan1 x AXCBF 800D4-18 IE2 Bifurcated Axial Fans1 x AL 400 Mounting Feet (Pair)1 x DA10/10 Feet1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 400mm1 x Access Door for Circular Duct - 250 x 150 - SIZE 311 x 110 x 54mm Low Profile Plastic Ducting - 2 Meter1 x DA 15/15 Feet1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x Belt Drive Cased Axial Fan - 500mm - L version1 x Helios GigaBox 630mm GBD 630/4/4 centrifugal1 x 110 x 54mm Horizontal 45 Degree Bend1 x Elta SLC500/4B-3AC - IP551 x FSD-TD 400 x 250 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x Impeller Side Guard - 500mm1 x FSD-C Motorised Failsafe Single Blade Fire/Smoke Damper with Actuator - 180mm1 x Impeller Side Guard - 900mm1 x DEF-900AN1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Pressed Ducting Saddle - 450mm1 x Mini Diffuser - 100mm1 x Spiral Ducting 1 meter - 450mm1 x Spiral Ducting 1 meter - 250mm1 x KV DUO 150 EC
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 ...