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 Etaline 355mm - E2-011 x Soler & Palau TCBB/6-400/H - IP441 x Duct Fast Clamps - 355mm1 x Ancillary Pack for SLC-900 for SLC900/4B-3AC1 x EC-Vent Room Unit1 x ACQ-20012D Acoustic Inline Box Fan1 x EX 140A-4C Mounting Kit for 125mm Duct1 x CRHB/6- 315mm Roof mounted Fan - Horizontal discharge1 x Duct Termination with Mesh - 315mm1 x Purlin Box 350 for RAW Cowls1 x HRB/4-450-30-APN1 x Singleflow SSDL100-1EC1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT400/4-3AC1 x Northern Ireland Surcharge1 x TD Mixvent 1100/250 EEXEIIT31 x Hydor Typhoon Circulation Fans - HVFB - 450mm1 x Elta ACO Panel 149-ACO14E1 x DKEX 315-4 Centrifugal High Performance ATEX Fan1 x Ancillary Pack for SLC-4501 x ERR 20/1 Centrifugal inline fan1 x 125mm - 150mm Round Reducer1 x Spiral Ducting 1 meter - 315mm1 x Elta SLC400/4-3AC - IP551 x 204x60mm x 500mm Long Hi-Flow Duct Silencer1 x KVK Slim 355 - Low profile Semi Acoustic Box Fan1 x Atex Inline Fan 200mm - ERM22EXE1 x Elta SPA450/4-1AC - IP541 x Etaline 250mm - D2 01 3 Phase1 x Elta SLC500/4B-1AC - IP551 x AMD 400/2/2 High Pressure Long Cased Axial Fan1 x Purlin Box 1000 for RAW Cowls1 x Elta SLC355/4-3AC - IP551 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Lindab ILC 250 - Inline Tube Fan1 x Duct Tape - Silver - DTape1 x Etamaster EM 250 EC 02 (high Power) inline mix-vent fan1 x 220x90mm to 160mm straight adapter1 x Classic SAX23/9ARB Wall Mounted1 x Soler & Palau - TGT/4-450-6/0.55kW 32 Degree1 x Female Ducting Connector - 450mm1 x Soler & Palau - HCBT/4-900/L - IP551 x AM pallet Delivery Surcharge1 x HCFT/4-315mm (B-FLOW) plastic impeller plate fan1 x FAST-TRACK RANGE 75mm - Valve Adaptor 90° 125mm1 x BKF 800D6-XL/F400 IE3 - Centrifugal rectangular duct fan 400C/2h1 x Plastic Kitchen Extractors - CK40F1 x Activated Carbon Discarb Cell - Grade 50 - EXTRA DUTY - 445H x 445W x 595Dmm ACTUAL1 x Duct Termination with Mesh - 355mm1 x CBMT/Q 250-54 1 HEATER KIT1 x Ancillary Pack for SB-CYL 400 model1 x HRT/6-800/28-BZN-68C1 x 1mtr Round Ducting - 125mm1 x Elta Turboflow-TF - 500mm(A) - Three phase1 x 220x90mm 45 Degree Vertical Bend1 x 204x60mm Double Airbrick Adapter1 x Manual Overide Switch - MOS1 x Belt Drive Cased Axial Fan - 450mm - H version1 x MEV 160 & 300 Additional Spigots1 x AL 400 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Elta Wall Cowl SWC45/501 x Purlin Box 800 for RAW Cowls1 x Ancillary Pack for SB-CYL 500 model2 x PBT/4-400 Portable Cooling Fan1 x Classic SAX30/12A Window/Wall Mounted1 x KVK Slim 315 - Low profile Semi Acoustic Box Fan1 x Etaline 250mm1 x Ancillary Pack for SLC-4001 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Spiral Duct Grille Termination - 400mm1 x Ducting Y Piece - 355mm1 x ZAC- 400 -4-11 x Spigot plate - 250mm1 x CCZ-404 (Single Phase)1 x 220x90mm x 2m Insulated Rectangular Duct1 x Curved boot - 560mm1 x Flanged Spigot - 355mm1 x TD Mixvent 800/200 EEXEIIT31 x Elta SPA450/46-3AC - IP541 x 125mm Insulated 45 Degree Bend1 x Elta SCP450-1EC - IP551 x Male Ducting Connector - 450mm1 x Raptor SDA500/4-1AC1 x DTV200 - Differential Pressure Switch1 x CPTA-E Flush mounted PIR sensor with timer1 x Quietflow SQS315-1ECL - Centrifugal Box Fan1 x Duct Suspension Rings - 400mm1 x Hydor HPA315/4-1A1 x Elta SCP450/4-3AC - IP551 x HXP500/4-3 - 4 Pole - Three Phase1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x Soler & Palau TCBT/6-400/H - IP441 x CBMT/Q 400-55 1 HEATER KIT1 x Male Ducting Connector - 800mm1 x 2mtr Insulated Round Ducting - 125mm1 x Belt Drive Cased Axial Fan - 900mm - H version1 x Ducting T Piece Equal - 315mm1 x Commercial Activated Carbon Filters - Panel Type - 24" x 24" x 2" - ACP
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 10.53

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