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/6-400/H - IP651 x Speed Controller - REB11 x AL 315 D2 01 - High Performance Long Cased Axial Fan (3 phase)2 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Raptor SDA315/4-1AC1 x Soler & Palau TCBT/4-315/H - IP441 x Control switch - CR1501 x Time Delay Unit - DT20B1 x ACO3/BD Changover Panel (Three Phase)1 x Push Timer Switch - ZA41 x IP65 Remote Speed Adjustment Station1 x *NEW* TD EVO-200 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x EM 150L-E2M 01- Etamaster-1501 x Cased Axial Fan Extension - 400mm dia1 x CBS-130 Outlet Flange for CBT-1301 x TD6000 Mixvent - 400mm1 x Etaline 400mm D2-01 3-phase1 x CBA-130 Inlet Flange for CBT-1301 x AXCBF 315-7/30-2 (0.75 kW) - Bifurcated Axial Fan1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 630mm1 x Helios AV150 External Wall Fan1 x AMD 225/2/2 High Pressure Long Cased Axial Fan1 x BDRAX 250-E2 Cased Axial External Rotor Fan1 x Raptor SDA250/4-1AC1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x 125mm Wall Duct - 350mm1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x HIMF - Mixed Flow Fan 150mm Inline Fan1 x Helios GigaBox 450mm GBW 450/4 centrifugal1 x Activated Carbon Discarb Cell - 598H x 598W x 598Dmm1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HWAS1 x Etaline 280mm1 x MTS10- extractor fan 3 step switch1 x Impeller Side Guard - 800mm1 x Ancillary Pack for SB-CYL 630 model1 x Ancillary Pack for SB-CYL 400 model1 x Universal Pipe Fixing Clip1 x Soler & Palau - HCBB/6-400/H - IP651 x KRJ - 160 Inlet Guard for CBB/CBT fans1 x Ancillary Pack for SB-CYL 500 model1 x Elta SCP400-1EC - IP551 x Ancillary Pack for SB-Biflow 500 model1 x 110 x 54mm Elbow Bend Female1 x Impeller Side Guard - 560mm1 x AL 355 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x DA7/9 Feet1 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x CVAT Acoustic Kitchen Fan & Inverter Kit - CVAT/4-16000/630 ND - Pack 91 x Soler & Palau TCBT/6-560/H - IP651 x Soler & Palau TCBB/6-560/L - IP651 x Kitchen Grease Filter - Mesh Type Non standard 296mmx296mmx22mm1 x Acoustic Box Fans (Inline) - CAB-1001 x Commercial Thermostat - TH161 x Helios HRFW 500/41 x Access Door for Circular Duct - 280 x 80 - SIZE 101 x Access Door for Circular Duct - 300 x 200 - SIZE 501 x GORDON W 30/12″ ET Oscillating wall mounted fan with remote control1 x filter pack (set of 2) pt no. 4438891 x Acopel F400-355/1601 x ZAP 710-63 Plate axial fan1 x Elta Standard Ambient Flexible Connector - 250mm1 x Elta Standard Ambient Flexible Connector - 350mm1 x Same Day Shipping Surcharge1 x International Shipping Surcharge1 x DPD SAT Delivery Surcharge1 x Ductwrap Insulation DW501 x BDS 630/710 RA b/d shutter1 x Duct Wrap Insulation - AWDW25mm1 x Synthetic Air Filter Media - 10mm x 1000mm x 1000mm1 x Transformer Speed Control - RTRE- 3.0Amp1 x Synthetic Air Filter Media - 6mm x 2mtr x 5mtr Roll1 x 100mm - 125mm Round Reducer1 x Elta SLC450/4-3AC - IP551 x Helios HRFD 315/21 x Elta Raptor SFB ATEX Plate Mounted Axial Fan- 350mm1 x Elta SPA250/4-1AC - IP441 x AW 550 D6-2-EX Explosion Proof Axial Fan - ATEX1 x Etaline 250mm1 x Elta SLC315/4-3AC - IP551 x Ducting 45 Degree Bend - 315mm1 x HRB/2-250-AMPN1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Ancillary Sealing Band - 315mm1 x CSB-60 Centrifugal fan1 x Balance S Diffuser - NO RING - 100mm1 x Jetflow-HIT Metal inline - 200mm1 x Elta SCP250/4-1AC - IP551 x Soler & Palau - HCBB/6-560/H - IP651 x Helios HQW-250/2 - IP551 x Helios HQW-250/4 - IP551 x Soler & Palau TCBB/4-315/H - IP441 x Hydor HPA250/2-11 x CBT-130N Centrifugal ATEX II 2G Exd IIB T41 x RVK-EX 315D4 (ATEX) - 315mm Atex Rated Centrifugal Fan
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 10.53

Look good, works well, except the shaft of the lanellae cuts...